./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/tx_vars_chc_internal.sol_4_no_adts_000.smt2 .


--------------------------------------------------------------------------------


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:29:13,639 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:29:13,673 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bdf8a9-c5cf-41ab-ad01-7f3dd266d3c2/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:29:13,676 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:29:13,677 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:29:13,689 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:29:13,689 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:29:13,689 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:29:13,689 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:29:13,690 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:29:13,690 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:29:13,690 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:29:13,690 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:29:13,690 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:29:13,690 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:29:13,690 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:29:13,690 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:29:13,690 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:29:13,691 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:13,691 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:29:13,691 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:29:13,691 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:29:13,691 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:29:13,691 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:29:13,691 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:29:13,692 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:29:13,692 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:29:13,875 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:29:13,883 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:29:13,885 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:29:13,886 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:29:13,886 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:29:13,887 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bdf8a9-c5cf-41ab-ad01-7f3dd266d3c2/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/tx_vars_chc_internal.sol_4_no_adts_000.smt2
[2025-05-07 17:29:13,888 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:29:13,891 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:29:14,140 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_71bdf8a9-c5cf-41ab-ad01-7f3dd266d3c2/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/special/tx_vars_chc_internal.sol_4_no_adts_000.smt2
[2025-05-07 17:29:14,142 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:29:14,143 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:29:14,144 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:29:14,144 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:29:14,144 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:29:14,145 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,175 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14 Unit
[2025-05-07 17:29:14,176 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:29:14,176 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:29:14,176 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:29:14,177 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:29:14,188 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,188 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,209 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,209 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,214 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,215 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,216 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,218 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,219 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,229 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:29:14,230 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:29:14,230 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:29:14,230 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:29:14,231 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (1/1) ...
[2025-05-07 17:29:14,232 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:29:14,242 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:29:14,251 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)
[2025-05-07 17:29:14,254 INFO  L327       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2025-05-07 17:29:14,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:29:14,262 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:29:14,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:29:14,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_6_0 given in one single declaration
[2025-05-07 17:29:14,262 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_6_0
[2025-05-07 17:29:14,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_6_0
[2025-05-07 17:29:14,262 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_65_0 given in one single declaration
[2025-05-07 17:29:14,262 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_65_0
[2025-05-07 17:29:14,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_65_0
[2025-05-07 17:29:14,263 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_65_0 given in one single declaration
[2025-05-07 17:29:14,263 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_65_0
[2025-05-07 17:29:14,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_65_0
[2025-05-07 17:29:14,263 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_22_C_65_0 given in one single declaration
[2025-05-07 17:29:14,263 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_22_C_65_0
[2025-05-07 17:29:14,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_22_C_65_0
[2025-05-07 17:29:14,263 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_19_C_65_0 given in one single declaration
[2025-05-07 17:29:14,263 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_19_C_65_0
[2025-05-07 17:29:14,263 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_19_C_65_0
[2025-05-07 17:29:14,263 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_21_C_65_0 given in one single declaration
[2025-05-07 17:29:14,263 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_21_C_65_0
[2025-05-07 17:29:14,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_21_C_65_0
[2025-05-07 17:29:14,264 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_20_C_65_0 given in one single declaration
[2025-05-07 17:29:14,264 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_20_C_65_0
[2025-05-07 17:29:14,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_20_C_65_0
[2025-05-07 17:29:14,264 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__21_65_0 given in one single declaration
[2025-05-07 17:29:14,264 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__21_65_0
[2025-05-07 17:29:14,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__21_65_0
[2025-05-07 17:29:14,264 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_f__21_65_0 given in one single declaration
[2025-05-07 17:29:14,264 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_f__21_65_0
[2025-05-07 17:29:14,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_f__21_65_0
[2025-05-07 17:29:14,264 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_f_20_65_0 given in one single declaration
[2025-05-07 17:29:14,264 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_f_20_65_0
[2025-05-07 17:29:14,264 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_f_20_65_0
[2025-05-07 17:29:14,265 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_f__21_65_0 given in one single declaration
[2025-05-07 17:29:14,265 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_f__21_65_0
[2025-05-07 17:29:14,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_f__21_65_0
[2025-05-07 17:29:14,265 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_9_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,265 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_9_function_g__64_65_0
[2025-05-07 17:29:14,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_9_function_g__64_65_0
[2025-05-07 17:29:14,265 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,265 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_g__64_65_0
[2025-05-07 17:29:14,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_g__64_65_0
[2025-05-07 17:29:14,265 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,265 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_g__64_65_0
[2025-05-07 17:29:14,265 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_g__64_65_0
[2025-05-07 17:29:14,265 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_g_63_65_0 given in one single declaration
[2025-05-07 17:29:14,266 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_g_63_65_0
[2025-05-07 17:29:14,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_g_63_65_0
[2025-05-07 17:29:14,266 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,266 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_13_return_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,266 INFO  L130     BoogieDeclarations]: Found specification of procedure block_13_return_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_13_return_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,266 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,266 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_g__64_65_0
[2025-05-07 17:29:14,266 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_g__64_65_0
[2025-05-07 17:29:14,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_18_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,267 INFO  L130     BoogieDeclarations]: Found specification of procedure block_18_function_g__64_65_0
[2025-05-07 17:29:14,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_18_function_g__64_65_0
[2025-05-07 17:29:14,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_17_function_g__64_65_0 given in one single declaration
[2025-05-07 17:29:14,267 INFO  L130     BoogieDeclarations]: Found specification of procedure block_17_function_g__64_65_0
[2025-05-07 17:29:14,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_17_function_g__64_65_0
[2025-05-07 17:29:14,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_f__21_65_0 given in one single declaration
[2025-05-07 17:29:14,267 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_f__21_65_0
[2025-05-07 17:29:14,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_f__21_65_0
[2025-05-07 17:29:14,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__21_65_0 given in one single declaration
[2025-05-07 17:29:14,267 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__21_65_0
[2025-05-07 17:29:14,267 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__21_65_0
[2025-05-07 17:29:14,267 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:29:14,268 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:29:14,268 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:29:14,413 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:29:14,415 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:29:14,635 INFO  L?                        ?]: Removed 222 outVars from TransFormulas that were not future-live.
[2025-05-07 17:29:14,635 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:29:14,644 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:29:14,645 INFO  L312             CfgBuilder]: Removed 14 assume(true) statements.
[2025-05-07 17:29:14,645 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:14 BoogieIcfgContainer
[2025-05-07 17:29:14,645 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:29:14,647 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:29:14,647 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:29:14,650 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:29:14,650 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:29:14" (1/3) ...
[2025-05-07 17:29:14,651 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343f6511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:29:14, skipping insertion in model container
[2025-05-07 17:29:14,651 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:29:14" (2/3) ...
[2025-05-07 17:29:14,651 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343f6511 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:29:14, skipping insertion in model container
[2025-05-07 17:29:14,651 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:29:14" (3/3) ...
[2025-05-07 17:29:14,652 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:29:14,663 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:29:14,665 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 25 procedures, 97 locations, 150 edges, 25 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:29:14,699 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:29:14,711 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;@819c440, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:29:14,711 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:29:14,714 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 97 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 45 states have internal predecessors, (45), 30 states have call successors, (35), 24 states have call predecessors, (35), 24 states have return successors, (35), 27 states have call predecessors, (35), 30 states have call successors, (35)
[2025-05-07 17:29:14,722 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:29:14,722 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:14,723 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:14,723 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:14,727 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:14,727 INFO  L85        PathProgramCache]: Analyzing trace with hash 522726994, now seen corresponding path program 1 times
[2025-05-07 17:29:14,732 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:14,732 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476264004]
[2025-05-07 17:29:14,732 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:14,733 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:14,782 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:29:14,882 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:29:14,882 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:14,882 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:15,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:15,145 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:15,146 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476264004]
[2025-05-07 17:29:15,146 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476264004] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:15,146 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:15,148 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:29:15,150 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2052108853]
[2025-05-07 17:29:15,150 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:15,153 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:29:15,154 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:15,177 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:29:15,178 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:29:15,186 INFO  L87              Difference]: Start difference. First operand  has 97 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 45 states have internal predecessors, (45), 30 states have call successors, (35), 24 states have call predecessors, (35), 24 states have return successors, (35), 27 states have call predecessors, (35), 30 states have call successors, (35) Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:29:15,298 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:15,299 INFO  L93              Difference]: Finished difference Result 98 states and 114 transitions.
[2025-05-07 17:29:15,300 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:29:15,301 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 5 states have call successors, (18) Word has length 65
[2025-05-07 17:29:15,302 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:15,310 INFO  L225             Difference]: With dead ends: 98
[2025-05-07 17:29:15,310 INFO  L226             Difference]: Without dead ends: 96
[2025-05-07 17:29:15,312 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
[2025-05-07 17:29:15,315 INFO  L437           NwaCegarLoop]: 103 mSDtfsCounter, 1 mSDsluCounter, 602 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:15,316 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 705 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:29:15,326 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 96 states.
[2025-05-07 17:29:15,343 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96.
[2025-05-07 17:29:15,343 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 29 states have call successors, (32), 22 states have call predecessors, (32), 26 states have return successors, (37), 30 states have call predecessors, (37), 29 states have call successors, (37)
[2025-05-07 17:29:15,346 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions.
[2025-05-07 17:29:15,347 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 65
[2025-05-07 17:29:15,348 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:15,348 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 112 transitions.
[2025-05-07 17:29:15,348 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:29:15,348 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions.
[2025-05-07 17:29:15,350 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:29:15,350 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:15,350 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:15,350 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:29:15,350 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:15,351 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:15,351 INFO  L85        PathProgramCache]: Analyzing trace with hash -1421282864, now seen corresponding path program 1 times
[2025-05-07 17:29:15,351 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:15,351 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622961350]
[2025-05-07 17:29:15,351 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:15,351 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:15,393 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:29:15,414 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:29:15,414 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:15,414 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:15,556 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:15,556 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:15,557 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622961350]
[2025-05-07 17:29:15,557 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1622961350] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:15,557 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:15,557 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:29:15,557 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999125498]
[2025-05-07 17:29:15,557 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:15,558 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:29:15,558 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:15,559 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:29:15,559 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:29:15,559 INFO  L87              Difference]: Start difference. First operand 96 states and 112 transitions. Second operand  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:29:15,631 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:15,632 INFO  L93              Difference]: Finished difference Result 105 states and 123 transitions.
[2025-05-07 17:29:15,632 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:29:15,632 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 5 states have call successors, (18) Word has length 65
[2025-05-07 17:29:15,633 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:15,634 INFO  L225             Difference]: With dead ends: 105
[2025-05-07 17:29:15,634 INFO  L226             Difference]: Without dead ends: 105
[2025-05-07 17:29:15,634 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
[2025-05-07 17:29:15,635 INFO  L437           NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 616 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 722 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:15,635 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 722 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:29:15,636 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 105 states.
[2025-05-07 17:29:15,642 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 96.
[2025-05-07 17:29:15,643 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 96 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 29 states have call successors, (32), 22 states have call predecessors, (32), 26 states have return successors, (37), 30 states have call predecessors, (37), 29 states have call successors, (37)
[2025-05-07 17:29:15,644 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 112 transitions.
[2025-05-07 17:29:15,644 INFO  L79                 Accepts]: Start accepts. Automaton has 96 states and 112 transitions. Word has length 65
[2025-05-07 17:29:15,644 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:15,644 INFO  L485      AbstractCegarLoop]: Abstraction has 96 states and 112 transitions.
[2025-05-07 17:29:15,644 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 7 states have (on average 4.142857142857143) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 7 states have return successors, (18), 7 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:29:15,644 INFO  L278                IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions.
[2025-05-07 17:29:15,645 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:29:15,645 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:15,646 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:15,646 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:29:15,646 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:15,646 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:15,646 INFO  L85        PathProgramCache]: Analyzing trace with hash -1402535076, now seen corresponding path program 1 times
[2025-05-07 17:29:15,646 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:15,646 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660997118]
[2025-05-07 17:29:15,646 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:15,646 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:15,677 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:29:15,697 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:29:15,697 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:15,697 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:15,871 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:15,871 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:15,871 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660997118]
[2025-05-07 17:29:15,871 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660997118] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:15,871 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:15,871 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2025-05-07 17:29:15,871 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370572664]
[2025-05-07 17:29:15,871 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:15,872 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2025-05-07 17:29:15,872 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:15,873 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2025-05-07 17:29:15,873 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:29:15,873 INFO  L87              Difference]: Start difference. First operand 96 states and 112 transitions. Second operand  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:29:15,958 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:15,958 INFO  L93              Difference]: Finished difference Result 102 states and 118 transitions.
[2025-05-07 17:29:15,959 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2025-05-07 17:29:15,959 INFO  L79                 Accepts]: Start accepts. Automaton has  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18) Word has length 65
[2025-05-07 17:29:15,959 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:15,961 INFO  L225             Difference]: With dead ends: 102
[2025-05-07 17:29:15,961 INFO  L226             Difference]: Without dead ends: 102
[2025-05-07 17:29:15,961 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2025-05-07 17:29:15,962 INFO  L437           NwaCegarLoop]: 97 mSDtfsCounter, 1 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 657 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:15,962 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 657 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:29:15,963 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 102 states.
[2025-05-07 17:29:15,969 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 100.
[2025-05-07 17:29:15,969 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 100 states, 43 states have (on average 1.0465116279069768) internal successors, (45), 45 states have internal predecessors, (45), 29 states have call successors, (32), 22 states have call predecessors, (32), 28 states have return successors, (39), 32 states have call predecessors, (39), 29 states have call successors, (39)
[2025-05-07 17:29:15,971 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 116 transitions.
[2025-05-07 17:29:15,971 INFO  L79                 Accepts]: Start accepts. Automaton has 100 states and 116 transitions. Word has length 65
[2025-05-07 17:29:15,971 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:15,971 INFO  L485      AbstractCegarLoop]: Abstraction has 100 states and 116 transitions.
[2025-05-07 17:29:15,971 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 6 states have (on average 4.833333333333333) internal successors, (29), 8 states have internal predecessors, (29), 5 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 5 states have call successors, (18)
[2025-05-07 17:29:15,971 INFO  L278                IsEmpty]: Start isEmpty. Operand 100 states and 116 transitions.
[2025-05-07 17:29:15,973 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:29:15,973 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:15,973 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:15,973 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:29:15,973 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:15,974 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:15,974 INFO  L85        PathProgramCache]: Analyzing trace with hash 45643810, now seen corresponding path program 1 times
[2025-05-07 17:29:15,974 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:15,974 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660682407]
[2025-05-07 17:29:15,974 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:15,974 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:16,002 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:29:16,010 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:29:16,010 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:16,010 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:16,161 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:16,161 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:16,161 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660682407]
[2025-05-07 17:29:16,161 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660682407] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:16,161 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:16,161 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:29:16,162 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [559423679]
[2025-05-07 17:29:16,162 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:16,162 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:29:16,162 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:16,162 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:29:16,163 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:29:16,163 INFO  L87              Difference]: Start difference. First operand 100 states and 116 transitions. Second operand  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:29:16,200 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:16,200 INFO  L93              Difference]: Finished difference Result 99 states and 113 transitions.
[2025-05-07 17:29:16,200 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:29:16,201 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:29:16,201 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:16,202 INFO  L225             Difference]: With dead ends: 99
[2025-05-07 17:29:16,202 INFO  L226             Difference]: Without dead ends: 99
[2025-05-07 17:29:16,202 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
[2025-05-07 17:29:16,203 INFO  L437           NwaCegarLoop]: 101 mSDtfsCounter, 1 mSDsluCounter, 391 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 492 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:16,203 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 492 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:16,204 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 99 states.
[2025-05-07 17:29:16,209 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95.
[2025-05-07 17:29:16,209 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 95 states, 41 states have (on average 1.048780487804878) internal successors, (43), 43 states have internal predecessors, (43), 28 states have call successors, (31), 22 states have call predecessors, (31), 26 states have return successors, (35), 29 states have call predecessors, (35), 28 states have call successors, (35)
[2025-05-07 17:29:16,210 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 109 transitions.
[2025-05-07 17:29:16,211 INFO  L79                 Accepts]: Start accepts. Automaton has 95 states and 109 transitions. Word has length 65
[2025-05-07 17:29:16,211 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:16,211 INFO  L485      AbstractCegarLoop]: Abstraction has 95 states and 109 transitions.
[2025-05-07 17:29:16,211 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 5 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:29:16,211 INFO  L278                IsEmpty]: Start isEmpty. Operand 95 states and 109 transitions.
[2025-05-07 17:29:16,213 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:29:16,213 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:29:16,213 INFO  L218           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2025-05-07 17:29:16,213 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:29:16,213 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:29:16,213 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:29:16,214 INFO  L85        PathProgramCache]: Analyzing trace with hash -382137644, now seen corresponding path program 1 times
[2025-05-07 17:29:16,214 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:29:16,214 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1020660175]
[2025-05-07 17:29:16,214 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:29:16,214 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:29:16,241 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:29:16,255 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:29:16,256 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:29:16,256 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:29:16,325 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2025-05-07 17:29:16,325 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:29:16,325 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1020660175]
[2025-05-07 17:29:16,325 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1020660175] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:29:16,325 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:29:16,325 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:29:16,325 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889810961]
[2025-05-07 17:29:16,325 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:29:16,325 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:29:16,325 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:29:16,326 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:29:16,326 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:29:16,326 INFO  L87              Difference]: Start difference. First operand 95 states and 109 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:29:16,346 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:29:16,346 INFO  L93              Difference]: Finished difference Result 63 states and 70 transitions.
[2025-05-07 17:29:16,346 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:29:16,347 INFO  L79                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19) Word has length 68
[2025-05-07 17:29:16,347 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:29:16,347 INFO  L225             Difference]: With dead ends: 63
[2025-05-07 17:29:16,347 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:29:16,347 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
[2025-05-07 17:29:16,348 INFO  L437           NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 309 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:29:16,348 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 309 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:29:16,348 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:29:16,348 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:29:16,348 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2025-05-07 17:29:16,348 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:29:16,348 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:29:16,349 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:29:16,349 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:29:16,349 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 4 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 4 states have call successors, (19)
[2025-05-07 17:29:16,349 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:29:16,349 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:29:16,351 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:29:16,351 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:29:16,353 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:29:16,355 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:29:16,357 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:29:16 BoogieIcfgContainer
[2025-05-07 17:29:16,357 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:29:16,358 INFO  L158              Benchmark]: Toolchain (without parser) took 2214.83ms. Allocated memory is still 234.9MB. Free memory was 146.5MB in the beginning and 130.1MB in the end (delta: 16.5MB). Peak memory consumption was 12.0MB. Max. memory is 33.6GB.
[2025-05-07 17:29:16,358 INFO  L158              Benchmark]: SmtParser took 0.30ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:16,358 INFO  L158              Benchmark]: ChcToBoogie took 32.51ms. Allocated memory is still 234.9MB. Free memory was 146.5MB in the beginning and 143.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:16,358 INFO  L158              Benchmark]: Boogie Preprocessor took 53.10ms. Allocated memory is still 234.9MB. Free memory was 143.1MB in the beginning and 139.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:29:16,358 INFO  L158              Benchmark]: RCFGBuilder took 415.29ms. Allocated memory is still 234.9MB. Free memory was 139.8MB in the beginning and 171.0MB in the end (delta: -31.2MB). Peak memory consumption was 25.8MB. Max. memory is 33.6GB.
[2025-05-07 17:29:16,358 INFO  L158              Benchmark]: TraceAbstraction took 1710.19ms. Allocated memory is still 234.9MB. Free memory was 170.4MB in the beginning and 130.1MB in the end (delta: 40.4MB). Peak memory consumption was 36.4MB. Max. memory is 33.6GB.
[2025-05-07 17:29:16,359 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.30ms. Allocated memory is still 234.9MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 32.51ms. Allocated memory is still 234.9MB. Free memory was 146.5MB in the beginning and 143.2MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 53.10ms. Allocated memory is still 234.9MB. Free memory was 143.1MB in the beginning and 139.8MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 415.29ms. Allocated memory is still 234.9MB. Free memory was 139.8MB in the beginning and 171.0MB in the end (delta: -31.2MB). Peak memory consumption was 25.8MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1710.19ms. Allocated memory is still 234.9MB. Free memory was 170.4MB in the beginning and 130.1MB in the end (delta: 40.4MB). Peak memory consumption was 36.4MB. Max. memory is 33.6GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Unknown line] : the set of constraint Horn clauses is satisfiable
    For all program executions holds that the set of constraint Horn clauses is satisfiable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 25 procedures, 97 locations, 150 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 2885 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2414 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 190 IncrementalHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 471 mSDtfsCounter, 190 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=100occurred in iteration=3, InterpolantAutomatonStates: 36, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 15 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 328 NumberOfCodeBlocks, 328 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 323 ConstructedInterpolants, 0 QuantifiedInterpolants, 443 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2025-05-07 17:29:16,369 INFO  L552       MonitoredProcess]: [MP /usr/bin/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
sat
