./chc-comp-wrapper.sh ../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-291.smt2 .


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This is Ultimate 0.3.0-dev-42d8767-m
[2025-04-28 21:21:21,929 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-04-28 21:21:22,004 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85430432-973a-4d41-85ab-5a976563b304/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-04-28 21:21:22,008 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-04-28 21:21:22,009 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-04-28 21:21:22,031 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-04-28 21:21:22,032 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-04-28 21:21:22,032 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-04-28 21:21:22,032 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-04-28 21:21:22,033 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-04-28 21:21:22,033 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-04-28 21:21:22,033 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-04-28 21:21:22,033 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-04-28 21:21:22,034 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-04-28 21:21:22,034 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-04-28 21:21:22,034 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-04-28 21:21:22,034 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-04-28 21:21:22,034 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-04-28 21:21:22,034 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:22,034 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-04-28 21:21:22,035 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-04-28 21:21:22,035 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-04-28 21:21:22,035 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-04-28 21:21:22,035 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-04-28 21:21:22,035 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-04-28 21:21:22,036 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-04-28 21:21:22,036 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-04-28 21:21:22,376 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-04-28 21:21:22,389 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-04-28 21:21:22,394 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-04-28 21:21:22,397 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-04-28 21:21:22,397 INFO  L274        PluginConnector]: SmtParser initialized
[2025-04-28 21:21:22,400 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85430432-973a-4d41-85ab-5a976563b304/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-291.smt2
[2025-04-28 21:21:22,403 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-04-28 21:21:22,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-04-28 21:21:22,938 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85430432-973a-4d41-85ab-5a976563b304/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp24-benchmarks/LIA/chc-comp24-LIA-291.smt2
[2025-04-28 21:21:22,942 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-04-28 21:21:22,944 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-04-28 21:21:22,945 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-04-28 21:21:22,946 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-04-28 21:21:22,946 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-04-28 21:21:22,953 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:22" (1/1) ...
[2025-04-28 21:21:23,003 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23 Unit
[2025-04-28 21:21:23,004 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-04-28 21:21:23,005 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-04-28 21:21:23,006 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-04-28 21:21:23,006 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-04-28 21:21:23,023 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,023 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,071 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,071 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,082 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,084 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,087 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,089 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,090 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,106 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-04-28 21:21:23,107 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-04-28 21:21:23,107 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-04-28 21:21:23,107 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-04-28 21:21:23,108 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (1/1) ...
[2025-04-28 21:21:23,111 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-04-28 21:21:23,128 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:23,143 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2025-04-28 21:21:23,146 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-04-28 21:21:23,158 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-04-28 21:21:23,158 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-04-28 21:21:23,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-04-28 21:21:23,159 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure CHC_COMP_FALSE given in one single declaration
[2025-04-28 21:21:23,159 INFO  L130     BoogieDeclarations]: Found specification of procedure CHC_COMP_FALSE
[2025-04-28 21:21:23,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure CHC_COMP_FALSE
[2025-04-28 21:21:23,159 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Assert .HSH0.CLN Main.java, line 23 given in one single declaration
[2025-04-28 21:21:23,159 INFO  L130     BoogieDeclarations]: Found specification of procedure Assert .HSH0.CLN Main.java, line 23
[2025-04-28 21:21:23,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure Assert .HSH0.CLN Main.java, line 23
[2025-04-28 21:21:23,159 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_7 given in one single declaration
[2025-04-28 21:21:23,159 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_7
[2025-04-28 21:21:23,159 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_7
[2025-04-28 21:21:23,160 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_6 given in one single declaration
[2025-04-28 21:21:23,160 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_6
[2025-04-28 21:21:23,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_6
[2025-04-28 21:21:23,160 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_5 given in one single declaration
[2025-04-28 21:21:23,160 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_5
[2025-04-28 21:21:23,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_5
[2025-04-28 21:21:23,160 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_4 given in one single declaration
[2025-04-28 21:21:23,160 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_4
[2025-04-28 21:21:23,160 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_4
[2025-04-28 21:21:23,161 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_3 given in one single declaration
[2025-04-28 21:21:23,161 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_3
[2025-04-28 21:21:23,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_3
[2025-04-28 21:21:23,161 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_2 given in one single declaration
[2025-04-28 21:21:23,161 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_2
[2025-04-28 21:21:23,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_2
[2025-04-28 21:21:23,161 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_1 given in one single declaration
[2025-04-28 21:21:23,161 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_1
[2025-04-28 21:21:23,161 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_1
[2025-04-28 21:21:23,161 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1 given in one single declaration
[2025-04-28 21:21:23,162 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1
[2025-04-28 21:21:23,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1
[2025-04-28 21:21:23,162 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_pre given in one single declaration
[2025-04-28 21:21:23,162 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_pre
[2025-04-28 21:21:23,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_pre
[2025-04-28 21:21:23,162 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_post given in one single declaration
[2025-04-28 21:21:23,162 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_post
[2025-04-28 21:21:23,162 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_post
[2025-04-28 21:21:23,162 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_Block0 given in one single declaration
[2025-04-28 21:21:23,162 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_Block0
[2025-04-28 21:21:23,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_Block0
[2025-04-28 21:21:23,163 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_Block1_3 given in one single declaration
[2025-04-28 21:21:23,163 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_Block1_3
[2025-04-28 21:21:23,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_Block1_3
[2025-04-28 21:21:23,163 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_Block1_2 given in one single declaration
[2025-04-28 21:21:23,163 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_Block1_2
[2025-04-28 21:21:23,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_Block1_2
[2025-04-28 21:21:23,163 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_Block1_1 given in one single declaration
[2025-04-28 21:21:23,163 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_Block1_1
[2025-04-28 21:21:23,163 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_Block1_1
[2025-04-28 21:21:23,164 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_Block1 given in one single declaration
[2025-04-28 21:21:23,164 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_Block1
[2025-04-28 21:21:23,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_Block1
[2025-04-28 21:21:23,164 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void <clinit>()>_pre given in one single declaration
[2025-04-28 21:21:23,164 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void <clinit>()>_pre
[2025-04-28 21:21:23,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void <clinit>()>_pre
[2025-04-28 21:21:23,164 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <JayHornAssertions.CLN void <clinit>()>_post given in one single declaration
[2025-04-28 21:21:23,164 INFO  L130     BoogieDeclarations]: Found specification of procedure <JayHornAssertions.CLN void <clinit>()>_post
[2025-04-28 21:21:23,164 INFO  L138     BoogieDeclarations]: Found implementation of procedure <JayHornAssertions.CLN void <clinit>()>_post
[2025-04-28 21:21:23,164 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block0 given in one single declaration
[2025-04-28 21:21:23,165 INFO  L130     BoogieDeclarations]: Found specification of procedure <JayHornAssertions.CLN void <clinit>()>_Block0
[2025-04-28 21:21:23,165 INFO  L138     BoogieDeclarations]: Found implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block0
[2025-04-28 21:21:23,166 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block1_2 given in one single declaration
[2025-04-28 21:21:23,166 INFO  L130     BoogieDeclarations]: Found specification of procedure <JayHornAssertions.CLN void <clinit>()>_Block1_2
[2025-04-28 21:21:23,166 INFO  L138     BoogieDeclarations]: Found implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block1_2
[2025-04-28 21:21:23,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block1_1 given in one single declaration
[2025-04-28 21:21:23,167 INFO  L130     BoogieDeclarations]: Found specification of procedure <JayHornAssertions.CLN void <clinit>()>_Block1_1
[2025-04-28 21:21:23,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block1_1
[2025-04-28 21:21:23,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block1 given in one single declaration
[2025-04-28 21:21:23,167 INFO  L130     BoogieDeclarations]: Found specification of procedure <JayHornAssertions.CLN void <clinit>()>_Block1
[2025-04-28 21:21:23,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure <JayHornAssertions.CLN void <clinit>()>_Block1
[2025-04-28 21:21:23,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <JayHornAssertions.CLN void <clinit>()>_pre given in one single declaration
[2025-04-28 21:21:23,167 INFO  L130     BoogieDeclarations]: Found specification of procedure <JayHornAssertions.CLN void <clinit>()>_pre
[2025-04-28 21:21:23,167 INFO  L138     BoogieDeclarations]: Found implementation of procedure <JayHornAssertions.CLN void <clinit>()>_pre
[2025-04-28 21:21:23,167 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Havoc_Class.CLN int havoc_int()>_post given in one single declaration
[2025-04-28 21:21:23,168 INFO  L130     BoogieDeclarations]: Found specification of procedure <Havoc_Class.CLN int havoc_int()>_post
[2025-04-28 21:21:23,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Havoc_Class.CLN int havoc_int()>_post
[2025-04-28 21:21:23,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Havoc_Class.CLN int havoc_int()>_Block0_2 given in one single declaration
[2025-04-28 21:21:23,168 INFO  L130     BoogieDeclarations]: Found specification of procedure <Havoc_Class.CLN int havoc_int()>_Block0_2
[2025-04-28 21:21:23,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Havoc_Class.CLN int havoc_int()>_Block0_2
[2025-04-28 21:21:23,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Havoc_Class.CLN int havoc_int()>_Block0_1 given in one single declaration
[2025-04-28 21:21:23,168 INFO  L130     BoogieDeclarations]: Found specification of procedure <Havoc_Class.CLN int havoc_int()>_Block0_1
[2025-04-28 21:21:23,168 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Havoc_Class.CLN int havoc_int()>_Block0_1
[2025-04-28 21:21:23,168 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Havoc_Class.CLN int havoc_int()>_Block0 given in one single declaration
[2025-04-28 21:21:23,168 INFO  L130     BoogieDeclarations]: Found specification of procedure <Havoc_Class.CLN int havoc_int()>_Block0
[2025-04-28 21:21:23,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Havoc_Class.CLN int havoc_int()>_Block0
[2025-04-28 21:21:23,169 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Havoc_Class.CLN int havoc_int()>_pre given in one single declaration
[2025-04-28 21:21:23,169 INFO  L130     BoogieDeclarations]: Found specification of procedure <Havoc_Class.CLN int havoc_int()>_pre
[2025-04-28 21:21:23,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Havoc_Class.CLN int havoc_int()>_pre
[2025-04-28 21:21:23,169 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_8 given in one single declaration
[2025-04-28 21:21:23,169 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_8
[2025-04-28 21:21:23,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_8
[2025-04-28 21:21:23,169 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Assert .HSH1.CLN Main.java, line 24 given in one single declaration
[2025-04-28 21:21:23,169 INFO  L130     BoogieDeclarations]: Found specification of procedure Assert .HSH1.CLN Main.java, line 24
[2025-04-28 21:21:23,169 INFO  L138     BoogieDeclarations]: Found implementation of procedure Assert .HSH1.CLN Main.java, line 24
[2025-04-28 21:21:23,169 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_10 given in one single declaration
[2025-04-28 21:21:23,170 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_10
[2025-04-28 21:21:23,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_10
[2025-04-28 21:21:23,170 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_9 given in one single declaration
[2025-04-28 21:21:23,170 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_9
[2025-04-28 21:21:23,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_9
[2025-04-28 21:21:23,170 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Assert .HSH3.CLN Main.java, line 29 given in one single declaration
[2025-04-28 21:21:23,170 INFO  L130     BoogieDeclarations]: Found specification of procedure Assert .HSH3.CLN Main.java, line 29
[2025-04-28 21:21:23,170 INFO  L138     BoogieDeclarations]: Found implementation of procedure Assert .HSH3.CLN Main.java, line 29
[2025-04-28 21:21:23,170 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block5 given in one single declaration
[2025-04-28 21:21:23,170 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block5
[2025-04-28 21:21:23,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block5
[2025-04-28 21:21:23,171 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block4 given in one single declaration
[2025-04-28 21:21:23,171 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block4
[2025-04-28 21:21:23,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block4
[2025-04-28 21:21:23,171 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block3 given in one single declaration
[2025-04-28 21:21:23,171 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block3
[2025-04-28 21:21:23,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block3
[2025-04-28 21:21:23,171 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_14 given in one single declaration
[2025-04-28 21:21:23,171 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_14
[2025-04-28 21:21:23,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_14
[2025-04-28 21:21:23,171 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_13 given in one single declaration
[2025-04-28 21:21:23,171 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_13
[2025-04-28 21:21:23,171 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_13
[2025-04-28 21:21:23,171 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_12 given in one single declaration
[2025-04-28 21:21:23,172 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_12
[2025-04-28 21:21:23,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_12
[2025-04-28 21:21:23,172 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_11 given in one single declaration
[2025-04-28 21:21:23,172 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_11
[2025-04-28 21:21:23,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN void main(JayArray_java_lang_String)>_Block1_11
[2025-04-28 21:21:23,172 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_post given in one single declaration
[2025-04-28 21:21:23,172 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_post
[2025-04-28 21:21:23,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_post
[2025-04-28 21:21:23,172 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block0 given in one single declaration
[2025-04-28 21:21:23,172 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block0
[2025-04-28 21:21:23,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block0
[2025-04-28 21:21:23,172 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block6_1 given in one single declaration
[2025-04-28 21:21:23,172 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block6_1
[2025-04-28 21:21:23,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block6_1
[2025-04-28 21:21:23,172 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block6 given in one single declaration
[2025-04-28 21:21:23,172 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block6
[2025-04-28 21:21:23,172 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block6
[2025-04-28 21:21:23,173 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block5_3 given in one single declaration
[2025-04-28 21:21:23,173 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block5_3
[2025-04-28 21:21:23,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block5_3
[2025-04-28 21:21:23,173 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block5_2 given in one single declaration
[2025-04-28 21:21:23,173 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block5_2
[2025-04-28 21:21:23,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block5_2
[2025-04-28 21:21:23,173 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block5_1 given in one single declaration
[2025-04-28 21:21:23,173 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block5_1
[2025-04-28 21:21:23,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block5_1
[2025-04-28 21:21:23,173 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block5 given in one single declaration
[2025-04-28 21:21:23,173 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block5
[2025-04-28 21:21:23,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block5
[2025-04-28 21:21:23,173 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block2 given in one single declaration
[2025-04-28 21:21:23,173 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block2
[2025-04-28 21:21:23,173 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block2
[2025-04-28 21:21:23,173 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block1_3 given in one single declaration
[2025-04-28 21:21:23,173 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block1_3
[2025-04-28 21:21:23,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block1_3
[2025-04-28 21:21:23,174 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block1_2 given in one single declaration
[2025-04-28 21:21:23,174 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block1_2
[2025-04-28 21:21:23,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block1_2
[2025-04-28 21:21:23,174 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block1_1 given in one single declaration
[2025-04-28 21:21:23,174 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block1_1
[2025-04-28 21:21:23,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block1_1
[2025-04-28 21:21:23,174 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block1 given in one single declaration
[2025-04-28 21:21:23,174 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block1
[2025-04-28 21:21:23,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block1
[2025-04-28 21:21:23,174 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_pre given in one single declaration
[2025-04-28 21:21:23,174 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_pre
[2025-04-28 21:21:23,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_pre
[2025-04-28 21:21:23,174 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block4_2 given in one single declaration
[2025-04-28 21:21:23,174 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block4_2
[2025-04-28 21:21:23,174 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block4_2
[2025-04-28 21:21:23,174 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block4_1 given in one single declaration
[2025-04-28 21:21:23,175 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block4_1
[2025-04-28 21:21:23,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block4_1
[2025-04-28 21:21:23,175 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block4 given in one single declaration
[2025-04-28 21:21:23,175 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block4
[2025-04-28 21:21:23,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block4
[2025-04-28 21:21:23,175 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block3_1 given in one single declaration
[2025-04-28 21:21:23,175 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block3_1
[2025-04-28 21:21:23,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block3_1
[2025-04-28 21:21:23,175 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block3 given in one single declaration
[2025-04-28 21:21:23,175 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block3
[2025-04-28 21:21:23,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block3
[2025-04-28 21:21:23,175 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block8_1 given in one single declaration
[2025-04-28 21:21:23,175 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block8_1
[2025-04-28 21:21:23,175 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block8_1
[2025-04-28 21:21:23,175 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block8 given in one single declaration
[2025-04-28 21:21:23,175 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block8
[2025-04-28 21:21:23,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block8
[2025-04-28 21:21:23,176 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block4_3 given in one single declaration
[2025-04-28 21:21:23,176 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block4_3
[2025-04-28 21:21:23,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block4_3
[2025-04-28 21:21:23,176 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block9_1 given in one single declaration
[2025-04-28 21:21:23,176 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block9_1
[2025-04-28 21:21:23,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block9_1
[2025-04-28 21:21:23,176 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block9 given in one single declaration
[2025-04-28 21:21:23,176 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block9
[2025-04-28 21:21:23,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block9
[2025-04-28 21:21:23,176 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block7_1 given in one single declaration
[2025-04-28 21:21:23,176 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block7_1
[2025-04-28 21:21:23,176 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block7_1
[2025-04-28 21:21:23,176 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure <Main.CLN int addition(int,int)>_Block7 given in one single declaration
[2025-04-28 21:21:23,176 INFO  L130     BoogieDeclarations]: Found specification of procedure <Main.CLN int addition(int,int)>_Block7
[2025-04-28 21:21:23,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure <Main.CLN int addition(int,int)>_Block7
[2025-04-28 21:21:23,177 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Assert .HSH2.CLN Main.java, line 25 given in one single declaration
[2025-04-28 21:21:23,177 INFO  L130     BoogieDeclarations]: Found specification of procedure Assert .HSH2.CLN Main.java, line 25
[2025-04-28 21:21:23,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure Assert .HSH2.CLN Main.java, line 25
[2025-04-28 21:21:23,177 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-04-28 21:21:23,177 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-04-28 21:21:23,177 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-04-28 21:21:23,420 INFO  L234             CfgBuilder]: Building ICFG
[2025-04-28 21:21:23,425 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-04-28 21:21:23,944 INFO  L?                        ?]: Removed 27 outVars from TransFormulas that were not future-live.
[2025-04-28 21:21:23,948 INFO  L283             CfgBuilder]: Performing block encoding
[2025-04-28 21:21:23,975 INFO  L304             CfgBuilder]: Using library mode
[2025-04-28 21:21:23,977 INFO  L312             CfgBuilder]: Removed 38 assume(true) statements.
[2025-04-28 21:21:23,978 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:23 BoogieIcfgContainer
[2025-04-28 21:21:23,978 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-04-28 21:21:23,980 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-04-28 21:21:23,982 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-04-28 21:21:23,986 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-04-28 21:21:23,987 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 28.04 09:21:22" (1/3) ...
[2025-04-28 21:21:23,988 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9b821d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 28.04 09:21:23, skipping insertion in model container
[2025-04-28 21:21:23,989 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 28.04 09:21:23" (2/3) ...
[2025-04-28 21:21:23,989 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e9b821d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.04 09:21:23, skipping insertion in model container
[2025-04-28 21:21:23,989 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.04 09:21:23" (3/3) ...
[2025-04-28 21:21:23,990 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-04-28 21:21:24,008 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-04-28 21:21:24,011 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 70 procedures, 262 locations, 383 edges, 70 initial locations, 0 loop locations, and 1 error locations.
[2025-04-28 21:21:24,082 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-04-28 21:21:24,102 INFO  L340      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@149dbf59, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-04-28 21:21:24,102 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-04-28 21:21:24,107 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 262 states, 112 states have (on average 1.0357142857142858) internal successors, (116), 116 states have internal predecessors, (116), 79 states have call successors, (89), 69 states have call predecessors, (89), 69 states have return successors, (89), 76 states have call predecessors, (89), 79 states have call successors, (89)
[2025-04-28 21:21:24,142 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 345
[2025-04-28 21:21:24,142 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:24,143 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:24,144 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:24,151 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:24,152 INFO  L85        PathProgramCache]: Analyzing trace with hash 434337985, now seen corresponding path program 1 times
[2025-04-28 21:21:24,160 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:24,161 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303286688]
[2025-04-28 21:21:24,161 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:24,162 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:24,378 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 344 statements into 1 equivalence classes.
[2025-04-28 21:21:24,632 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 344 of 344 statements.
[2025-04-28 21:21:24,634 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:24,634 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:25,742 INFO  L134       CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked.
[2025-04-28 21:21:25,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:25,743 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303286688]
[2025-04-28 21:21:25,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303286688] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:25,744 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:25,748 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-04-28 21:21:25,750 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457325118]
[2025-04-28 21:21:25,751 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:25,756 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:25,758 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:25,791 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:25,792 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:25,795 INFO  L87              Difference]: Start difference. First operand  has 262 states, 112 states have (on average 1.0357142857142858) internal successors, (116), 116 states have internal predecessors, (116), 79 states have call successors, (89), 69 states have call predecessors, (89), 69 states have return successors, (89), 76 states have call predecessors, (89), 79 states have call successors, (89) Second operand  has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:26,028 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:26,029 INFO  L93              Difference]: Finished difference Result 260 states and 291 transitions.
[2025-04-28 21:21:26,033 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:26,034 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33) Word has length 344
[2025-04-28 21:21:26,038 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:26,054 INFO  L225             Difference]: With dead ends: 260
[2025-04-28 21:21:26,055 INFO  L226             Difference]: Without dead ends: 259
[2025-04-28 21:21:26,057 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:26,060 INFO  L437           NwaCegarLoop]: 287 mSDtfsCounter, 0 mSDsluCounter, 1135 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1422 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:26,062 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1422 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:26,084 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2025-04-28 21:21:26,140 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259.
[2025-04-28 21:21:26,142 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 259 states, 111 states have (on average 1.018018018018018) internal successors, (113), 113 states have internal predecessors, (113), 78 states have call successors, (88), 69 states have call predecessors, (88), 69 states have return successors, (88), 76 states have call predecessors, (88), 78 states have call successors, (88)
[2025-04-28 21:21:26,155 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 289 transitions.
[2025-04-28 21:21:26,156 INFO  L79                 Accepts]: Start accepts. Automaton has 259 states and 289 transitions. Word has length 344
[2025-04-28 21:21:26,156 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:26,159 INFO  L485      AbstractCegarLoop]: Abstraction has 259 states and 289 transitions.
[2025-04-28 21:21:26,159 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 9.2) internal successors, (46), 6 states have internal predecessors, (46), 4 states have call successors, (33), 1 states have call predecessors, (33), 5 states have return successors, (33), 5 states have call predecessors, (33), 4 states have call successors, (33)
[2025-04-28 21:21:26,159 INFO  L278                IsEmpty]: Start isEmpty. Operand 259 states and 289 transitions.
[2025-04-28 21:21:26,169 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 345
[2025-04-28 21:21:26,171 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:26,171 INFO  L218           NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:26,172 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-04-28 21:21:26,172 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:26,174 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:26,174 INFO  L85        PathProgramCache]: Analyzing trace with hash 1872403584, now seen corresponding path program 1 times
[2025-04-28 21:21:26,174 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:26,174 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263426183]
[2025-04-28 21:21:26,174 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:26,175 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:26,275 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 344 statements into 1 equivalence classes.
[2025-04-28 21:21:26,337 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 344 of 344 statements.
[2025-04-28 21:21:26,338 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:26,338 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:26,756 INFO  L134       CoverageAnalysis]: Checked inductivity of 697 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 697 trivial. 0 not checked.
[2025-04-28 21:21:26,756 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:26,756 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1263426183]
[2025-04-28 21:21:26,756 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1263426183] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:26,756 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:26,756 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-04-28 21:21:26,757 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465400134]
[2025-04-28 21:21:26,757 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:26,762 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-04-28 21:21:26,762 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:26,763 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-04-28 21:21:26,763 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:26,763 INFO  L87              Difference]: Start difference. First operand 259 states and 289 transitions. Second operand  has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (33), 1 states have call predecessors, (33), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33)
[2025-04-28 21:21:26,815 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:26,815 INFO  L93              Difference]: Finished difference Result 257 states and 286 transitions.
[2025-04-28 21:21:26,822 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-04-28 21:21:26,823 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (33), 1 states have call predecessors, (33), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) Word has length 344
[2025-04-28 21:21:26,824 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:26,831 INFO  L225             Difference]: With dead ends: 257
[2025-04-28 21:21:26,831 INFO  L226             Difference]: Without dead ends: 255
[2025-04-28 21:21:26,831 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:26,832 INFO  L437           NwaCegarLoop]: 285 mSDtfsCounter, 0 mSDsluCounter, 564 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 849 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:26,833 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 849 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:26,837 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 255 states.
[2025-04-28 21:21:26,864 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255.
[2025-04-28 21:21:26,865 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 255 states, 109 states have (on average 1.018348623853211) internal successors, (111), 111 states have internal predecessors, (111), 77 states have call successors, (86), 68 states have call predecessors, (86), 68 states have return successors, (86), 75 states have call predecessors, (86), 77 states have call successors, (86)
[2025-04-28 21:21:26,869 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 283 transitions.
[2025-04-28 21:21:26,870 INFO  L79                 Accepts]: Start accepts. Automaton has 255 states and 283 transitions. Word has length 344
[2025-04-28 21:21:26,870 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:26,870 INFO  L485      AbstractCegarLoop]: Abstraction has 255 states and 283 transitions.
[2025-04-28 21:21:26,870 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 15.333333333333334) internal successors, (46), 4 states have internal predecessors, (46), 3 states have call successors, (33), 1 states have call predecessors, (33), 3 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33)
[2025-04-28 21:21:26,870 INFO  L278                IsEmpty]: Start isEmpty. Operand 255 states and 283 transitions.
[2025-04-28 21:21:26,885 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 527
[2025-04-28 21:21:26,886 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:26,886 INFO  L218           NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:26,886 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-04-28 21:21:26,886 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:26,887 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:26,887 INFO  L85        PathProgramCache]: Analyzing trace with hash -1951428270, now seen corresponding path program 1 times
[2025-04-28 21:21:26,887 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:26,887 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018260213]
[2025-04-28 21:21:26,887 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:26,888 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:27,018 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 526 statements into 1 equivalence classes.
[2025-04-28 21:21:27,129 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 526 of 526 statements.
[2025-04-28 21:21:27,129 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:27,129 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:27,839 INFO  L134       CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1701 trivial. 0 not checked.
[2025-04-28 21:21:27,839 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:27,840 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018260213]
[2025-04-28 21:21:27,840 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018260213] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:27,840 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:27,840 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-04-28 21:21:27,840 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1391933341]
[2025-04-28 21:21:27,840 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:27,843 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-04-28 21:21:27,843 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:27,845 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-04-28 21:21:27,845 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:27,846 INFO  L87              Difference]: Start difference. First operand 255 states and 283 transitions. Second operand  has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (37), 1 states have call predecessors, (37), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37)
[2025-04-28 21:21:27,898 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:27,898 INFO  L93              Difference]: Finished difference Result 257 states and 285 transitions.
[2025-04-28 21:21:27,898 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-04-28 21:21:27,899 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (37), 1 states have call predecessors, (37), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37) Word has length 526
[2025-04-28 21:21:27,901 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:27,903 INFO  L225             Difference]: With dead ends: 257
[2025-04-28 21:21:27,903 INFO  L226             Difference]: Without dead ends: 257
[2025-04-28 21:21:27,904 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:27,904 INFO  L437           NwaCegarLoop]: 284 mSDtfsCounter, 1 mSDsluCounter, 559 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 843 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:27,905 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 843 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:27,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 257 states.
[2025-04-28 21:21:27,932 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257.
[2025-04-28 21:21:27,937 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 257 states, 110 states have (on average 1.018181818181818) internal successors, (112), 112 states have internal predecessors, (112), 77 states have call successors, (86), 68 states have call predecessors, (86), 69 states have return successors, (87), 76 states have call predecessors, (87), 77 states have call successors, (87)
[2025-04-28 21:21:27,940 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 285 transitions.
[2025-04-28 21:21:27,940 INFO  L79                 Accepts]: Start accepts. Automaton has 257 states and 285 transitions. Word has length 526
[2025-04-28 21:21:27,944 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:27,945 INFO  L485      AbstractCegarLoop]: Abstraction has 257 states and 285 transitions.
[2025-04-28 21:21:27,945 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (37), 1 states have call predecessors, (37), 3 states have return successors, (37), 3 states have call predecessors, (37), 3 states have call successors, (37)
[2025-04-28 21:21:27,945 INFO  L278                IsEmpty]: Start isEmpty. Operand 257 states and 285 transitions.
[2025-04-28 21:21:27,961 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 527
[2025-04-28 21:21:27,961 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:27,961 INFO  L218           NwaCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:27,963 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-04-28 21:21:27,963 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:27,965 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:27,965 INFO  L85        PathProgramCache]: Analyzing trace with hash -2042541997, now seen corresponding path program 1 times
[2025-04-28 21:21:27,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:27,966 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702119774]
[2025-04-28 21:21:27,966 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:27,966 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:28,100 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 526 statements into 1 equivalence classes.
[2025-04-28 21:21:28,189 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 526 of 526 statements.
[2025-04-28 21:21:28,189 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:28,189 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:28,768 INFO  L134       CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1696 trivial. 0 not checked.
[2025-04-28 21:21:28,769 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:28,769 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702119774]
[2025-04-28 21:21:28,769 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702119774] provided 0 perfect and 1 imperfect interpolant sequences
[2025-04-28 21:21:28,769 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [806577931]
[2025-04-28 21:21:28,769 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:28,769 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:21:28,772 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-04-28 21:21:28,776 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2025-04-28 21:21:28,780 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2025-04-28 21:21:29,396 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 526 statements into 1 equivalence classes.
[2025-04-28 21:21:30,146 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 526 of 526 statements.
[2025-04-28 21:21:30,146 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:30,146 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:30,178 INFO  L256         TraceCheckSpWp]: Trace formula consists of 3684 conjuncts, 9 conjuncts are in the unsatisfiable core
[2025-04-28 21:21:30,219 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2025-04-28 21:21:30,374 INFO  L134       CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1696 trivial. 0 not checked.
[2025-04-28 21:21:30,374 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2025-04-28 21:21:39,138 INFO  L134       CoverageAnalysis]: Checked inductivity of 1701 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1696 trivial. 0 not checked.
[2025-04-28 21:21:39,139 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [806577931] provided 0 perfect and 2 imperfect interpolant sequences
[2025-04-28 21:21:39,139 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2025-04-28 21:21:39,139 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6
[2025-04-28 21:21:39,139 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484743761]
[2025-04-28 21:21:39,140 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2025-04-28 21:21:39,141 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-04-28 21:21:39,141 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:39,142 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-04-28 21:21:39,142 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:39,142 INFO  L87              Difference]: Start difference. First operand 257 states and 285 transitions. Second operand  has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (38), 1 states have call predecessors, (38), 5 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39)
[2025-04-28 21:21:39,205 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:39,205 INFO  L93              Difference]: Finished difference Result 253 states and 279 transitions.
[2025-04-28 21:21:39,205 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-04-28 21:21:39,206 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (38), 1 states have call predecessors, (38), 5 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39) Word has length 526
[2025-04-28 21:21:39,207 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:39,209 INFO  L225             Difference]: With dead ends: 253
[2025-04-28 21:21:39,209 INFO  L226             Difference]: Without dead ends: 250
[2025-04-28 21:21:39,210 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 1057 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-04-28 21:21:39,210 INFO  L437           NwaCegarLoop]: 275 mSDtfsCounter, 0 mSDsluCounter, 1087 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1362 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:39,211 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1362 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:39,212 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 250 states.
[2025-04-28 21:21:39,256 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250.
[2025-04-28 21:21:39,257 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 250 states, 107 states have (on average 1.0093457943925233) internal successors, (108), 108 states have internal predecessors, (108), 75 states have call successors, (83), 67 states have call predecessors, (83), 67 states have return successors, (83), 74 states have call predecessors, (83), 75 states have call successors, (83)
[2025-04-28 21:21:39,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 274 transitions.
[2025-04-28 21:21:39,259 INFO  L79                 Accepts]: Start accepts. Automaton has 250 states and 274 transitions. Word has length 526
[2025-04-28 21:21:39,259 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:39,259 INFO  L485      AbstractCegarLoop]: Abstraction has 250 states and 274 transitions.
[2025-04-28 21:21:39,259 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 4 states have call successors, (38), 1 states have call predecessors, (38), 5 states have return successors, (39), 5 states have call predecessors, (39), 4 states have call successors, (39)
[2025-04-28 21:21:39,259 INFO  L278                IsEmpty]: Start isEmpty. Operand 250 states and 274 transitions.
[2025-04-28 21:21:39,310 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1088
[2025-04-28 21:21:39,311 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:39,311 INFO  L218           NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:39,323 INFO  L540       MonitoredProcess]: [MP /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2025-04-28 21:21:39,516 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /usr/bin/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2025-04-28 21:21:39,516 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:39,520 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:39,521 INFO  L85        PathProgramCache]: Analyzing trace with hash -941755140, now seen corresponding path program 1 times
[2025-04-28 21:21:39,521 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:39,521 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130711776]
[2025-04-28 21:21:39,521 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:39,521 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:39,702 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1087 statements into 1 equivalence classes.
[2025-04-28 21:21:39,725 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1087 of 1087 statements.
[2025-04-28 21:21:39,725 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:39,725 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:41,170 INFO  L134       CoverageAnalysis]: Checked inductivity of 7321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7321 trivial. 0 not checked.
[2025-04-28 21:21:41,170 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:41,170 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130711776]
[2025-04-28 21:21:41,171 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130711776] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:41,171 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:41,171 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10
[2025-04-28 21:21:41,171 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2066267025]
[2025-04-28 21:21:41,171 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:41,172 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2025-04-28 21:21:41,173 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:41,173 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2025-04-28 21:21:41,174 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-04-28 21:21:41,174 INFO  L87              Difference]: Start difference. First operand 250 states and 274 transitions. Second operand  has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (50), 1 states have call predecessors, (50), 9 states have return successors, (50), 9 states have call predecessors, (50), 4 states have call successors, (50)
[2025-04-28 21:21:41,338 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:41,338 INFO  L93              Difference]: Finished difference Result 259 states and 287 transitions.
[2025-04-28 21:21:41,339 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2025-04-28 21:21:41,339 INFO  L79                 Accepts]: Start accepts. Automaton has  has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (50), 1 states have call predecessors, (50), 9 states have return successors, (50), 9 states have call predecessors, (50), 4 states have call successors, (50) Word has length 1087
[2025-04-28 21:21:41,341 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:41,343 INFO  L225             Difference]: With dead ends: 259
[2025-04-28 21:21:41,343 INFO  L226             Difference]: Without dead ends: 259
[2025-04-28 21:21:41,344 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90
[2025-04-28 21:21:41,344 INFO  L437           NwaCegarLoop]: 265 mSDtfsCounter, 1 mSDsluCounter, 2099 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2364 SdHoareTripleChecker+Invalid, 116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:41,345 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2364 Invalid, 116 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:41,346 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2025-04-28 21:21:41,367 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 257.
[2025-04-28 21:21:41,368 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 257 states, 110 states have (on average 1.009090909090909) internal successors, (111), 111 states have internal predecessors, (111), 76 states have call successors, (84), 67 states have call predecessors, (84), 70 states have return successors, (89), 78 states have call predecessors, (89), 76 states have call successors, (89)
[2025-04-28 21:21:41,369 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 284 transitions.
[2025-04-28 21:21:41,373 INFO  L79                 Accepts]: Start accepts. Automaton has 257 states and 284 transitions. Word has length 1087
[2025-04-28 21:21:41,376 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:41,376 INFO  L485      AbstractCegarLoop]: Abstraction has 257 states and 284 transitions.
[2025-04-28 21:21:41,376 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 9 states have (on average 7.666666666666667) internal successors, (69), 10 states have internal predecessors, (69), 4 states have call successors, (50), 1 states have call predecessors, (50), 9 states have return successors, (50), 9 states have call predecessors, (50), 4 states have call successors, (50)
[2025-04-28 21:21:41,377 INFO  L278                IsEmpty]: Start isEmpty. Operand 257 states and 284 transitions.
[2025-04-28 21:21:41,390 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1088
[2025-04-28 21:21:41,390 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:41,391 INFO  L218           NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:41,391 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-04-28 21:21:41,391 INFO  L403      AbstractCegarLoop]: === Iteration 6 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:41,392 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:41,393 INFO  L85        PathProgramCache]: Analyzing trace with hash 1102622361, now seen corresponding path program 1 times
[2025-04-28 21:21:41,393 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:41,393 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040127427]
[2025-04-28 21:21:41,393 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:41,393 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:41,545 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1087 statements into 1 equivalence classes.
[2025-04-28 21:21:41,653 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1087 of 1087 statements.
[2025-04-28 21:21:41,654 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:41,654 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:42,521 INFO  L134       CoverageAnalysis]: Checked inductivity of 7321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7321 trivial. 0 not checked.
[2025-04-28 21:21:42,521 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:42,521 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040127427]
[2025-04-28 21:21:42,522 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040127427] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:42,522 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:42,522 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-04-28 21:21:42,522 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990292355]
[2025-04-28 21:21:42,522 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:42,524 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-04-28 21:21:42,524 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:42,525 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-04-28 21:21:42,526 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:42,526 INFO  L87              Difference]: Start difference. First operand 257 states and 284 transitions. Second operand  has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (50), 1 states have call predecessors, (50), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50)
[2025-04-28 21:21:42,559 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:42,561 INFO  L93              Difference]: Finished difference Result 259 states and 286 transitions.
[2025-04-28 21:21:42,561 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-04-28 21:21:42,561 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (50), 1 states have call predecessors, (50), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 1087
[2025-04-28 21:21:42,564 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:42,570 INFO  L225             Difference]: With dead ends: 259
[2025-04-28 21:21:42,571 INFO  L226             Difference]: Without dead ends: 259
[2025-04-28 21:21:42,572 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-04-28 21:21:42,573 INFO  L437           NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 538 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 811 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:42,573 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 811 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-04-28 21:21:42,574 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 259 states.
[2025-04-28 21:21:42,592 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259.
[2025-04-28 21:21:42,593 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 259 states, 111 states have (on average 1.009009009009009) internal successors, (112), 112 states have internal predecessors, (112), 76 states have call successors, (84), 67 states have call predecessors, (84), 71 states have return successors, (90), 79 states have call predecessors, (90), 76 states have call successors, (90)
[2025-04-28 21:21:42,599 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 286 transitions.
[2025-04-28 21:21:42,599 INFO  L79                 Accepts]: Start accepts. Automaton has 259 states and 286 transitions. Word has length 1087
[2025-04-28 21:21:42,603 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:42,603 INFO  L485      AbstractCegarLoop]: Abstraction has 259 states and 286 transitions.
[2025-04-28 21:21:42,603 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 23.0) internal successors, (69), 4 states have internal predecessors, (69), 3 states have call successors, (50), 1 states have call predecessors, (50), 3 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50)
[2025-04-28 21:21:42,604 INFO  L278                IsEmpty]: Start isEmpty. Operand 259 states and 286 transitions.
[2025-04-28 21:21:42,623 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1102
[2025-04-28 21:21:42,624 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:42,624 INFO  L218           NwaCegarLoop]: trace histogram [24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:42,624 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2025-04-28 21:21:42,624 INFO  L403      AbstractCegarLoop]: === Iteration 7 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:42,625 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:42,625 INFO  L85        PathProgramCache]: Analyzing trace with hash -347840268, now seen corresponding path program 1 times
[2025-04-28 21:21:42,626 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:42,626 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694842595]
[2025-04-28 21:21:42,626 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:42,626 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:42,805 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1101 statements into 1 equivalence classes.
[2025-04-28 21:21:42,829 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1101 of 1101 statements.
[2025-04-28 21:21:42,833 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:42,833 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:44,365 INFO  L134       CoverageAnalysis]: Checked inductivity of 7321 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7321 trivial. 0 not checked.
[2025-04-28 21:21:44,365 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:44,365 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694842595]
[2025-04-28 21:21:44,365 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694842595] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:44,365 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:44,366 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11
[2025-04-28 21:21:44,366 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520492342]
[2025-04-28 21:21:44,366 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:44,367 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2025-04-28 21:21:44,367 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:44,369 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2025-04-28 21:21:44,369 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-04-28 21:21:44,370 INFO  L87              Difference]: Start difference. First operand 259 states and 286 transitions. Second operand  has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 4 states have call successors, (54), 1 states have call predecessors, (54), 10 states have return successors, (54), 10 states have call predecessors, (54), 4 states have call successors, (54)
[2025-04-28 21:21:44,520 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:44,521 INFO  L93              Difference]: Finished difference Result 265 states and 291 transitions.
[2025-04-28 21:21:44,521 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2025-04-28 21:21:44,521 INFO  L79                 Accepts]: Start accepts. Automaton has  has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 4 states have call successors, (54), 1 states have call predecessors, (54), 10 states have return successors, (54), 10 states have call predecessors, (54), 4 states have call successors, (54) Word has length 1101
[2025-04-28 21:21:44,524 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:44,527 INFO  L225             Difference]: With dead ends: 265
[2025-04-28 21:21:44,528 INFO  L226             Difference]: Without dead ends: 256
[2025-04-28 21:21:44,528 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110
[2025-04-28 21:21:44,529 INFO  L437           NwaCegarLoop]: 264 mSDtfsCounter, 1 mSDsluCounter, 2360 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2624 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:44,533 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2624 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:44,534 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 256 states.
[2025-04-28 21:21:44,546 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256.
[2025-04-28 21:21:44,547 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 256 states, 110 states have (on average 1.009090909090909) internal successors, (111), 111 states have internal predecessors, (111), 75 states have call successors, (83), 67 states have call predecessors, (83), 70 states have return successors, (87), 77 states have call predecessors, (87), 75 states have call successors, (87)
[2025-04-28 21:21:44,549 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 281 transitions.
[2025-04-28 21:21:44,549 INFO  L79                 Accepts]: Start accepts. Automaton has 256 states and 281 transitions. Word has length 1101
[2025-04-28 21:21:44,550 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:44,554 INFO  L485      AbstractCegarLoop]: Abstraction has 256 states and 281 transitions.
[2025-04-28 21:21:44,554 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 11 states, 10 states have (on average 7.5) internal successors, (75), 11 states have internal predecessors, (75), 4 states have call successors, (54), 1 states have call predecessors, (54), 10 states have return successors, (54), 10 states have call predecessors, (54), 4 states have call successors, (54)
[2025-04-28 21:21:44,554 INFO  L278                IsEmpty]: Start isEmpty. Operand 256 states and 281 transitions.
[2025-04-28 21:21:44,580 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1658
[2025-04-28 21:21:44,580 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:44,581 INFO  L218           NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:44,581 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2025-04-28 21:21:44,581 INFO  L403      AbstractCegarLoop]: === Iteration 8 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:44,581 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:44,582 INFO  L85        PathProgramCache]: Analyzing trace with hash 1847117965, now seen corresponding path program 1 times
[2025-04-28 21:21:44,582 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:44,583 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388437318]
[2025-04-28 21:21:44,583 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:44,583 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:44,817 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1657 statements into 1 equivalence classes.
[2025-04-28 21:21:44,864 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1657 of 1657 statements.
[2025-04-28 21:21:44,864 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:44,864 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:47,402 INFO  L134       CoverageAnalysis]: Checked inductivity of 16885 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 16880 trivial. 0 not checked.
[2025-04-28 21:21:47,403 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:47,403 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388437318]
[2025-04-28 21:21:47,403 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388437318] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:47,403 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:47,403 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13
[2025-04-28 21:21:47,403 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616671285]
[2025-04-28 21:21:47,403 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:47,404 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2025-04-28 21:21:47,405 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:47,405 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2025-04-28 21:21:47,406 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156
[2025-04-28 21:21:47,406 INFO  L87              Difference]: Start difference. First operand 256 states and 281 transitions. Second operand  has 13 states, 12 states have (on average 7.083333333333333) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (60), 1 states have call predecessors, (60), 12 states have return successors, (61), 12 states have call predecessors, (61), 4 states have call successors, (61)
[2025-04-28 21:21:47,639 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:47,639 INFO  L93              Difference]: Finished difference Result 269 states and 298 transitions.
[2025-04-28 21:21:47,639 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. 
[2025-04-28 21:21:47,640 INFO  L79                 Accepts]: Start accepts. Automaton has  has 13 states, 12 states have (on average 7.083333333333333) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (60), 1 states have call predecessors, (60), 12 states have return successors, (61), 12 states have call predecessors, (61), 4 states have call successors, (61) Word has length 1657
[2025-04-28 21:21:47,643 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:47,645 INFO  L225             Difference]: With dead ends: 269
[2025-04-28 21:21:47,645 INFO  L226             Difference]: Without dead ends: 269
[2025-04-28 21:21:47,646 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156
[2025-04-28 21:21:47,646 INFO  L437           NwaCegarLoop]: 262 mSDtfsCounter, 1 mSDsluCounter, 2859 mSDsCounter, 0 mSdLazyCounter, 201 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 3121 SdHoareTripleChecker+Invalid, 201 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 201 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:47,646 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 3121 Invalid, 201 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 201 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2025-04-28 21:21:47,647 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 269 states.
[2025-04-28 21:21:47,656 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269.
[2025-04-28 21:21:47,657 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 269 states, 116 states have (on average 1.0086206896551724) internal successors, (117), 117 states have internal predecessors, (117), 76 states have call successors, (84), 67 states have call predecessors, (84), 76 states have return successors, (97), 84 states have call predecessors, (97), 76 states have call successors, (97)
[2025-04-28 21:21:47,658 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 298 transitions.
[2025-04-28 21:21:47,659 INFO  L79                 Accepts]: Start accepts. Automaton has 269 states and 298 transitions. Word has length 1657
[2025-04-28 21:21:47,661 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:47,661 INFO  L485      AbstractCegarLoop]: Abstraction has 269 states and 298 transitions.
[2025-04-28 21:21:47,662 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 12 states have (on average 7.083333333333333) internal successors, (85), 13 states have internal predecessors, (85), 4 states have call successors, (60), 1 states have call predecessors, (60), 12 states have return successors, (61), 12 states have call predecessors, (61), 4 states have call successors, (61)
[2025-04-28 21:21:47,662 INFO  L278                IsEmpty]: Start isEmpty. Operand 269 states and 298 transitions.
[2025-04-28 21:21:47,681 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1657
[2025-04-28 21:21:47,681 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:47,681 INFO  L218           NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:47,682 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2025-04-28 21:21:47,682 INFO  L403      AbstractCegarLoop]: === Iteration 9 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:47,682 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:47,683 INFO  L85        PathProgramCache]: Analyzing trace with hash 1235984112, now seen corresponding path program 1 times
[2025-04-28 21:21:47,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:47,683 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448239989]
[2025-04-28 21:21:47,683 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:47,683 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:47,892 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1656 statements into 1 equivalence classes.
[2025-04-28 21:21:47,904 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1656 of 1656 statements.
[2025-04-28 21:21:47,907 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:47,907 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:49,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 16885 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16881 trivial. 0 not checked.
[2025-04-28 21:21:49,218 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:49,218 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448239989]
[2025-04-28 21:21:49,218 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448239989] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:49,218 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:49,218 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-04-28 21:21:49,219 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125221727]
[2025-04-28 21:21:49,219 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:49,220 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-04-28 21:21:49,220 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:49,221 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-04-28 21:21:49,221 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-04-28 21:21:49,222 INFO  L87              Difference]: Start difference. First operand 269 states and 298 transitions. Second operand  has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (59), 1 states have call predecessors, (59), 7 states have return successors, (60), 7 states have call predecessors, (60), 4 states have call successors, (60)
[2025-04-28 21:21:49,328 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:49,328 INFO  L93              Difference]: Finished difference Result 276 states and 308 transitions.
[2025-04-28 21:21:49,328 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-04-28 21:21:49,329 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (59), 1 states have call predecessors, (59), 7 states have return successors, (60), 7 states have call predecessors, (60), 4 states have call successors, (60) Word has length 1656
[2025-04-28 21:21:49,333 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:49,335 INFO  L225             Difference]: With dead ends: 276
[2025-04-28 21:21:49,335 INFO  L226             Difference]: Without dead ends: 276
[2025-04-28 21:21:49,336 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-04-28 21:21:49,337 INFO  L437           NwaCegarLoop]: 273 mSDtfsCounter, 1 mSDsluCounter, 1618 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1891 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:49,337 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1891 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:49,338 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 276 states.
[2025-04-28 21:21:49,354 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273.
[2025-04-28 21:21:49,355 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 273 states, 118 states have (on average 1.0084745762711864) internal successors, (119), 119 states have internal predecessors, (119), 76 states have call successors, (84), 67 states have call predecessors, (84), 78 states have return successors, (101), 86 states have call predecessors, (101), 76 states have call successors, (101)
[2025-04-28 21:21:49,357 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 304 transitions.
[2025-04-28 21:21:49,357 INFO  L79                 Accepts]: Start accepts. Automaton has 273 states and 304 transitions. Word has length 1656
[2025-04-28 21:21:49,361 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:49,361 INFO  L485      AbstractCegarLoop]: Abstraction has 273 states and 304 transitions.
[2025-04-28 21:21:49,361 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (59), 1 states have call predecessors, (59), 7 states have return successors, (60), 7 states have call predecessors, (60), 4 states have call successors, (60)
[2025-04-28 21:21:49,361 INFO  L278                IsEmpty]: Start isEmpty. Operand 273 states and 304 transitions.
[2025-04-28 21:21:49,403 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1657
[2025-04-28 21:21:49,403 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:49,404 INFO  L218           NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:49,405 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2025-04-28 21:21:49,405 INFO  L403      AbstractCegarLoop]: === Iteration 10 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:49,405 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:49,406 INFO  L85        PathProgramCache]: Analyzing trace with hash 370578540, now seen corresponding path program 1 times
[2025-04-28 21:21:49,407 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:49,407 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392049261]
[2025-04-28 21:21:49,407 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:49,407 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-04-28 21:21:49,661 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 1656 statements into 1 equivalence classes.
[2025-04-28 21:21:49,676 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 1656 of 1656 statements.
[2025-04-28 21:21:49,676 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-04-28 21:21:49,676 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-04-28 21:21:50,731 INFO  L134       CoverageAnalysis]: Checked inductivity of 16885 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 16881 trivial. 0 not checked.
[2025-04-28 21:21:50,731 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-04-28 21:21:50,731 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392049261]
[2025-04-28 21:21:50,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392049261] provided 1 perfect and 0 imperfect interpolant sequences
[2025-04-28 21:21:50,731 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-04-28 21:21:50,732 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-04-28 21:21:50,732 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088670148]
[2025-04-28 21:21:50,732 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-04-28 21:21:50,733 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-04-28 21:21:50,733 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-04-28 21:21:50,734 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-04-28 21:21:50,734 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-04-28 21:21:50,734 INFO  L87              Difference]: Start difference. First operand 273 states and 304 transitions. Second operand  has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (59), 1 states have call predecessors, (59), 7 states have return successors, (60), 7 states have call predecessors, (60), 4 states have call successors, (60)
[2025-04-28 21:21:50,829 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-04-28 21:21:50,830 INFO  L93              Difference]: Finished difference Result 280 states and 314 transitions.
[2025-04-28 21:21:50,830 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-04-28 21:21:50,830 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (59), 1 states have call predecessors, (59), 7 states have return successors, (60), 7 states have call predecessors, (60), 4 states have call successors, (60) Word has length 1656
[2025-04-28 21:21:50,834 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-04-28 21:21:50,836 INFO  L225             Difference]: With dead ends: 280
[2025-04-28 21:21:50,836 INFO  L226             Difference]: Without dead ends: 280
[2025-04-28 21:21:50,836 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-04-28 21:21:50,836 INFO  L437           NwaCegarLoop]: 274 mSDtfsCounter, 1 mSDsluCounter, 1624 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1898 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-04-28 21:21:50,837 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1898 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-04-28 21:21:50,838 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 280 states.
[2025-04-28 21:21:50,851 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 273.
[2025-04-28 21:21:50,852 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 273 states, 118 states have (on average 1.0084745762711864) internal successors, (119), 119 states have internal predecessors, (119), 76 states have call successors, (84), 67 states have call predecessors, (84), 78 states have return successors, (101), 86 states have call predecessors, (101), 76 states have call successors, (101)
[2025-04-28 21:21:50,854 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 304 transitions.
[2025-04-28 21:21:50,854 INFO  L79                 Accepts]: Start accepts. Automaton has 273 states and 304 transitions. Word has length 1656
[2025-04-28 21:21:50,857 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-04-28 21:21:50,857 INFO  L485      AbstractCegarLoop]: Abstraction has 273 states and 304 transitions.
[2025-04-28 21:21:50,857 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 11.857142857142858) internal successors, (83), 8 states have internal predecessors, (83), 4 states have call successors, (59), 1 states have call predecessors, (59), 7 states have return successors, (60), 7 states have call predecessors, (60), 4 states have call successors, (60)
[2025-04-28 21:21:50,857 INFO  L278                IsEmpty]: Start isEmpty. Operand 273 states and 304 transitions.
[2025-04-28 21:21:50,878 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 1658
[2025-04-28 21:21:50,878 INFO  L210           NwaCegarLoop]: Found error trace
[2025-04-28 21:21:50,879 INFO  L218           NwaCegarLoop]: trace histogram [36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 36, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-04-28 21:21:50,879 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2025-04-28 21:21:50,879 INFO  L403      AbstractCegarLoop]: === Iteration 11 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-04-28 21:21:50,880 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-04-28 21:21:50,880 INFO  L85        PathProgramCache]: Analyzing trace with hash -2081876497, now seen corresponding path program 1 times
[2025-04-28 21:21:50,880 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-04-28 21:21:50,880 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849138299]
[2025-04-28 21:21:50,880 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-04-28 21:21:50,881 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
