./chc-comp-wrapper.sh ../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/string_literal_assignment_5.sol_0_no_adts_000.smt2 .


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


This is Ultimate 0.3.0-dev-42d8767-m
[2025-05-07 17:25:53,120 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2025-05-07 17:25:53,157 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2457fda-1285-48b2-a8f5-3da56533f4a6/chc-comp25-scripts/participants/UltimateUnihorn/./chccomp-Unihorn_Default.epf
[2025-05-07 17:25:53,160 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2025-05-07 17:25:53,160 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2025-05-07 17:25:53,173 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2025-05-07 17:25:53,173 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2025-05-07 17:25:53,173 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2025-05-07 17:25:53,173 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2025-05-07 17:25:53,173 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2025-05-07 17:25:53,174 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Use SBE=true
[2025-05-07 17:25:53,174 INFO  L151        SettingsManager]: Preferences of ChcToBoogie differ from their defaults:
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Use one large procedure with gotos to replace tail recursive calls=false
[2025-05-07 17:25:53,174 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:53,174 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2025-05-07 17:25:53,174 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2025-05-07 17:25:53,175 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2025-05-07 17:25:53,175 INFO  L151        SettingsManager]: Preferences of SmtParser differ from their defaults:
[2025-05-07 17:25:53,175 INFO  L153        SettingsManager]:  * SmtParser Mode=UltimateTreeAutomizer
[2025-05-07 17:25:53,389 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2025-05-07 17:25:53,397 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2025-05-07 17:25:53,399 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2025-05-07 17:25:53,401 INFO  L270        PluginConnector]: Initializing SmtParser...
[2025-05-07 17:25:53,401 INFO  L274        PluginConnector]: SmtParser initialized
[2025-05-07 17:25:53,402 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2457fda-1285-48b2-a8f5-3da56533f4a6/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/string_literal_assignment_5.sol_0_no_adts_000.smt2
[2025-05-07 17:25:53,403 INFO  L314              SmtParser]: Parsing .smt2 file as a set of Horn Clauses
[2025-05-07 17:25:53,406 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
unknown
[2025-05-07 17:25:53,688 INFO  L339              SmtParser]: Successfully executed SMT file /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d2457fda-1285-48b2-a8f5-3da56533f4a6/chc-comp25-scripts/participants/UltimateUnihorn/../../../chc-comp25-benchmarks/solidity/no_adts/unit_tests/types/string_literal_assignment_5.sol_0_no_adts_000.smt2
[2025-05-07 17:25:53,691 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2025-05-07 17:25:53,693 INFO  L133        ToolchainWalker]: Walking toolchain with 4 elements.
[2025-05-07 17:25:53,693 INFO  L112        PluginConnector]: ------------------------ChcToBoogie----------------------------
[2025-05-07 17:25:53,693 INFO  L270        PluginConnector]: Initializing ChcToBoogie...
[2025-05-07 17:25:53,694 INFO  L274        PluginConnector]: ChcToBoogie initialized
[2025-05-07 17:25:53,696 INFO  L184        PluginConnector]: Executing the observer ChcToBoogieObserver from plugin ChcToBoogie for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,734 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53 Unit
[2025-05-07 17:25:53,735 INFO  L131        PluginConnector]: ------------------------ END ChcToBoogie----------------------------
[2025-05-07 17:25:53,736 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2025-05-07 17:25:53,736 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2025-05-07 17:25:53,736 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2025-05-07 17:25:53,747 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,747 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,775 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,775 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,782 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,783 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,785 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,787 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,788 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,804 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2025-05-07 17:25:53,804 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2025-05-07 17:25:53,804 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2025-05-07 17:25:53,804 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2025-05-07 17:25:53,805 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (1/1) ...
[2025-05-07 17:25:53,808 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2025-05-07 17:25:53,818 INFO  L189       MonitoredProcess]: No working directory specified, using /usr/bin/z3
[2025-05-07 17:25:53,827 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 17:25:53,829 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 17:25:53,836 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure False given in one single declaration
[2025-05-07 17:25:53,837 INFO  L130     BoogieDeclarations]: Found specification of procedure False
[2025-05-07 17:25:53,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure False
[2025-05-07 17:25:53,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure error_target_4_0 given in one single declaration
[2025-05-07 17:25:53,837 INFO  L130     BoogieDeclarations]: Found specification of procedure error_target_4_0
[2025-05-07 17:25:53,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure error_target_4_0
[2025-05-07 17:25:53,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure interface_0_C_44_0 given in one single declaration
[2025-05-07 17:25:53,837 INFO  L130     BoogieDeclarations]: Found specification of procedure interface_0_C_44_0
[2025-05-07 17:25:53,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure interface_0_C_44_0
[2025-05-07 17:25:53,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_constructor_2_C_44_0 given in one single declaration
[2025-05-07 17:25:53,837 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_constructor_2_C_44_0
[2025-05-07 17:25:53,837 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_constructor_2_C_44_0
[2025-05-07 17:25:53,837 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_17_C_44_0 given in one single declaration
[2025-05-07 17:25:53,838 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_17_C_44_0
[2025-05-07 17:25:53,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_17_C_44_0
[2025-05-07 17:25:53,838 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_after_init_19_C_44_0 given in one single declaration
[2025-05-07 17:25:53,838 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_after_init_19_C_44_0
[2025-05-07 17:25:53,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_after_init_19_C_44_0
[2025-05-07 17:25:53,838 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure contract_initializer_entry_18_C_44_0 given in one single declaration
[2025-05-07 17:25:53,838 INFO  L130     BoogieDeclarations]: Found specification of procedure contract_initializer_entry_18_C_44_0
[2025-05-07 17:25:53,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure contract_initializer_entry_18_C_44_0
[2025-05-07 17:25:53,838 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure implicit_constructor_entry_20_C_44_0 given in one single declaration
[2025-05-07 17:25:53,838 INFO  L130     BoogieDeclarations]: Found specification of procedure implicit_constructor_entry_20_C_44_0
[2025-05-07 17:25:53,838 INFO  L138     BoogieDeclarations]: Found implementation of procedure implicit_constructor_entry_20_C_44_0
[2025-05-07 17:25:53,838 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_5_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,839 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_5_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_5_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_16_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,839 INFO  L130     BoogieDeclarations]: Found specification of procedure block_16_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_16_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_4_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,839 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_4_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_4_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_15_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,839 INFO  L130     BoogieDeclarations]: Found specification of procedure block_15_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_15_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_12_return_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,839 INFO  L130     BoogieDeclarations]: Found specification of procedure block_12_return_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_12_return_function_f__43_44_0
[2025-05-07 17:25:53,839 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_14_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,839 INFO  L130     BoogieDeclarations]: Found specification of procedure block_14_function_f__43_44_0
[2025-05-07 17:25:53,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_14_function_f__43_44_0
[2025-05-07 17:25:53,840 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_11_f_42_44_0 given in one single declaration
[2025-05-07 17:25:53,840 INFO  L130     BoogieDeclarations]: Found specification of procedure block_11_f_42_44_0
[2025-05-07 17:25:53,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_11_f_42_44_0
[2025-05-07 17:25:53,840 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_10_function_f__43_44_0 given in one single declaration
[2025-05-07 17:25:53,840 INFO  L130     BoogieDeclarations]: Found specification of procedure block_10_function_f__43_44_0
[2025-05-07 17:25:53,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_10_function_f__43_44_0
[2025-05-07 17:25:53,840 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_13_function_g__12_44_0 given in one single declaration
[2025-05-07 17:25:53,840 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_13_function_g__12_44_0
[2025-05-07 17:25:53,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_13_function_g__12_44_0
[2025-05-07 17:25:53,840 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure summary_3_function_g__12_44_0 given in one single declaration
[2025-05-07 17:25:53,840 INFO  L130     BoogieDeclarations]: Found specification of procedure summary_3_function_g__12_44_0
[2025-05-07 17:25:53,840 INFO  L138     BoogieDeclarations]: Found implementation of procedure summary_3_function_g__12_44_0
[2025-05-07 17:25:53,840 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_8_return_function_g__12_44_0 given in one single declaration
[2025-05-07 17:25:53,840 INFO  L130     BoogieDeclarations]: Found specification of procedure block_8_return_function_g__12_44_0
[2025-05-07 17:25:53,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_8_return_function_g__12_44_0
[2025-05-07 17:25:53,841 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_7_g_11_44_0 given in one single declaration
[2025-05-07 17:25:53,841 INFO  L130     BoogieDeclarations]: Found specification of procedure block_7_g_11_44_0
[2025-05-07 17:25:53,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_7_g_11_44_0
[2025-05-07 17:25:53,841 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure block_6_function_g__12_44_0 given in one single declaration
[2025-05-07 17:25:53,841 INFO  L130     BoogieDeclarations]: Found specification of procedure block_6_function_g__12_44_0
[2025-05-07 17:25:53,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure block_6_function_g__12_44_0
[2025-05-07 17:25:53,841 INFO  L124     BoogieDeclarations]: Specification and implementation of procedure Ultimate.START given in one single declaration
[2025-05-07 17:25:53,841 INFO  L130     BoogieDeclarations]: Found specification of procedure Ultimate.START
[2025-05-07 17:25:53,841 INFO  L138     BoogieDeclarations]: Found implementation of procedure Ultimate.START
[2025-05-07 17:25:53,967 INFO  L234             CfgBuilder]: Building ICFG
[2025-05-07 17:25:53,970 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2025-05-07 17:25:54,187 INFO  L?                        ?]: Removed 183 outVars from TransFormulas that were not future-live.
[2025-05-07 17:25:54,188 INFO  L283             CfgBuilder]: Performing block encoding
[2025-05-07 17:25:54,199 INFO  L304             CfgBuilder]: Using library mode
[2025-05-07 17:25:54,199 INFO  L312             CfgBuilder]: Removed 11 assume(true) statements.
[2025-05-07 17:25:54,199 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:54 BoogieIcfgContainer
[2025-05-07 17:25:54,199 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2025-05-07 17:25:54,201 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2025-05-07 17:25:54,201 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2025-05-07 17:25:54,204 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2025-05-07 17:25:54,204 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.source.smtparser OTHER 07.05 05:25:53" (1/3) ...
[2025-05-07 17:25:54,204 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49509375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction OTHER 07.05 05:25:54, skipping insertion in model container
[2025-05-07 17:25:54,204 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.chctoboogie AST 07.05 05:25:53" (2/3) ...
[2025-05-07 17:25:54,204 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49509375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 05:25:54, skipping insertion in model container
[2025-05-07 17:25:54,204 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 05:25:54" (3/3) ...
[2025-05-07 17:25:54,205 INFO  L128   eAbstractionObserver]: Analyzing ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver
[2025-05-07 17:25:54,215 INFO  L217   ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2025-05-07 17:25:54,217 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG de.uni_freiburg.informatik.ultimate.plugins.chctoboogie.ChcToBoogieObserver that has 22 procedures, 87 locations, 132 edges, 22 initial locations, 0 loop locations, and 1 error locations.
[2025-05-07 17:25:54,246 INFO  L339      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2025-05-07 17:25:54,254 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;@4440863a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2025-05-07 17:25:54,254 INFO  L341      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2025-05-07 17:25:54,257 INFO  L278                IsEmpty]: Start isEmpty. Operand  has 87 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 29 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (31), 26 states have call predecessors, (31), 29 states have call successors, (31)
[2025-05-07 17:25:54,263 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:25:54,264 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:54,264 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 17:25:54,264 INFO  L403      AbstractCegarLoop]: === Iteration 1 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:54,268 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:54,268 INFO  L85        PathProgramCache]: Analyzing trace with hash 315661878, now seen corresponding path program 1 times
[2025-05-07 17:25:54,273 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:54,274 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498144611]
[2025-05-07 17:25:54,274 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:54,274 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:54,318 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:25:54,381 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:25:54,381 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:54,381 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:54,581 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 17:25:54,581 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:54,582 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498144611]
[2025-05-07 17:25:54,582 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498144611] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:54,582 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:54,596 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2025-05-07 17:25:54,597 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763705265]
[2025-05-07 17:25:54,597 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:54,600 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2025-05-07 17:25:54,600 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:54,622 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2025-05-07 17:25:54,623 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2025-05-07 17:25:54,625 INFO  L87              Difference]: Start difference. First operand  has 87 states, 36 states have (on average 1.0833333333333333) internal successors, (39), 39 states have internal predecessors, (39), 29 states have call successors, (31), 21 states have call predecessors, (31), 21 states have return successors, (31), 26 states have call predecessors, (31), 29 states have call successors, (31) Second operand  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:25:54,667 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:54,668 INFO  L93              Difference]: Finished difference Result 89 states and 103 transitions.
[2025-05-07 17:25:54,669 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2025-05-07 17:25:54,670 INFO  L79                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 68
[2025-05-07 17:25:54,670 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:54,676 INFO  L225             Difference]: With dead ends: 89
[2025-05-07 17:25:54,676 INFO  L226             Difference]: Without dead ends: 85
[2025-05-07 17:25:54,677 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
[2025-05-07 17:25:54,680 INFO  L437           NwaCegarLoop]: 99 mSDtfsCounter, 1 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:54,680 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 290 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:54,690 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 85 states.
[2025-05-07 17:25:54,706 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83.
[2025-05-07 17:25:54,707 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 83 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 36 states have internal predecessors, (36), 27 states have call successors, (29), 21 states have call predecessors, (29), 21 states have return successors, (29), 25 states have call predecessors, (29), 27 states have call successors, (29)
[2025-05-07 17:25:54,710 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions.
[2025-05-07 17:25:54,711 INFO  L79                 Accepts]: Start accepts. Automaton has 83 states and 94 transitions. Word has length 68
[2025-05-07 17:25:54,712 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:54,712 INFO  L485      AbstractCegarLoop]: Abstraction has 83 states and 94 transitions.
[2025-05-07 17:25:54,712 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 3 states have call successors, (19), 1 states have call predecessors, (19), 3 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19)
[2025-05-07 17:25:54,712 INFO  L278                IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions.
[2025-05-07 17:25:54,714 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:25:54,714 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:54,714 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 17:25:54,714 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2025-05-07 17:25:54,715 INFO  L403      AbstractCegarLoop]: === Iteration 2 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:54,715 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:54,715 INFO  L85        PathProgramCache]: Analyzing trace with hash -772545614, now seen corresponding path program 1 times
[2025-05-07 17:25:54,715 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:54,715 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822566711]
[2025-05-07 17:25:54,715 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:54,715 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:54,756 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:25:54,786 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:25:54,786 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:54,787 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:54,914 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 17:25:54,914 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:54,914 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822566711]
[2025-05-07 17:25:54,914 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822566711] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:54,914 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:54,914 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:54,915 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [491042692]
[2025-05-07 17:25:54,915 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:54,916 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:54,916 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:54,916 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:54,916 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:54,916 INFO  L87              Difference]: Start difference. First operand 83 states and 94 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:25:54,955 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:54,955 INFO  L93              Difference]: Finished difference Result 88 states and 100 transitions.
[2025-05-07 17:25:54,956 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:54,956 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), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 68
[2025-05-07 17:25:54,956 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:54,957 INFO  L225             Difference]: With dead ends: 88
[2025-05-07 17:25:54,957 INFO  L226             Difference]: Without dead ends: 88
[2025-05-07 17:25:54,957 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 17:25:54,957 INFO  L437           NwaCegarLoop]: 93 mSDtfsCounter, 1 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:54,958 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 451 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:54,958 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 88 states.
[2025-05-07 17:25:54,963 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88.
[2025-05-07 17:25:54,963 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 37 states have (on average 1.027027027027027) internal successors, (38), 38 states have internal predecessors, (38), 28 states have call successors, (30), 21 states have call predecessors, (30), 23 states have return successors, (32), 28 states have call predecessors, (32), 28 states have call successors, (32)
[2025-05-07 17:25:54,964 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions.
[2025-05-07 17:25:54,964 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 68
[2025-05-07 17:25:54,964 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:54,964 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 100 transitions.
[2025-05-07 17:25:54,964 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), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:25:54,964 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions.
[2025-05-07 17:25:54,965 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:25:54,965 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:54,965 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 17:25:54,965 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2025-05-07 17:25:54,965 INFO  L403      AbstractCegarLoop]: === Iteration 3 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:54,966 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:54,966 INFO  L85        PathProgramCache]: Analyzing trace with hash -2071016782, now seen corresponding path program 1 times
[2025-05-07 17:25:54,966 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:54,966 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445440833]
[2025-05-07 17:25:54,966 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:54,966 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:54,990 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:25:55,008 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:25:55,008 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:55,008 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:55,150 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 17:25:55,151 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:55,151 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445440833]
[2025-05-07 17:25:55,151 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445440833] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:55,151 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:55,151 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:55,151 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639343177]
[2025-05-07 17:25:55,151 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:55,152 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:55,152 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:55,153 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:55,153 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:55,153 INFO  L87              Difference]: Start difference. First operand 88 states and 100 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:25:55,197 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:55,197 INFO  L93              Difference]: Finished difference Result 93 states and 106 transitions.
[2025-05-07 17:25:55,197 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:55,198 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), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19) Word has length 68
[2025-05-07 17:25:55,198 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:55,199 INFO  L225             Difference]: With dead ends: 93
[2025-05-07 17:25:55,199 INFO  L226             Difference]: Without dead ends: 93
[2025-05-07 17:25:55,199 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 17:25:55,200 INFO  L437           NwaCegarLoop]: 93 mSDtfsCounter, 1 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 451 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:55,200 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 451 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:55,205 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2025-05-07 17:25:55,212 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 88.
[2025-05-07 17:25:55,213 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 88 states, 37 states have (on average 1.027027027027027) internal successors, (38), 38 states have internal predecessors, (38), 28 states have call successors, (30), 21 states have call predecessors, (30), 23 states have return successors, (32), 28 states have call predecessors, (32), 28 states have call successors, (32)
[2025-05-07 17:25:55,215 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions.
[2025-05-07 17:25:55,215 INFO  L79                 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 68
[2025-05-07 17:25:55,215 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:55,216 INFO  L485      AbstractCegarLoop]: Abstraction has 88 states and 100 transitions.
[2025-05-07 17:25:55,216 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), 5 states have call successors, (19), 1 states have call predecessors, (19), 5 states have return successors, (19), 5 states have call predecessors, (19), 5 states have call successors, (19)
[2025-05-07 17:25:55,216 INFO  L278                IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions.
[2025-05-07 17:25:55,217 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 66
[2025-05-07 17:25:55,218 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:55,218 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 17:25:55,218 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2025-05-07 17:25:55,218 INFO  L403      AbstractCegarLoop]: === Iteration 4 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:55,219 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:55,219 INFO  L85        PathProgramCache]: Analyzing trace with hash 430857306, now seen corresponding path program 1 times
[2025-05-07 17:25:55,219 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:55,219 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852391006]
[2025-05-07 17:25:55,219 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:55,219 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:55,248 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes.
[2025-05-07 17:25:55,264 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements.
[2025-05-07 17:25:55,264 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:55,264 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:55,364 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 17:25:55,365 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:55,365 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852391006]
[2025-05-07 17:25:55,365 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852391006] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:55,365 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:55,365 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2025-05-07 17:25:55,365 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234742117]
[2025-05-07 17:25:55,365 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:55,366 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2025-05-07 17:25:55,366 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:55,366 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2025-05-07 17:25:55,366 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:25:55,367 INFO  L87              Difference]: Start difference. First operand 88 states and 100 transitions. Second operand  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:25:55,433 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:55,433 INFO  L93              Difference]: Finished difference Result 87 states and 97 transitions.
[2025-05-07 17:25:55,433 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2025-05-07 17:25:55,433 INFO  L79                 Accepts]: Start accepts. Automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18) Word has length 65
[2025-05-07 17:25:55,434 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:55,434 INFO  L225             Difference]: With dead ends: 87
[2025-05-07 17:25:55,434 INFO  L226             Difference]: Without dead ends: 86
[2025-05-07 17:25:55,434 INFO  L436           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2025-05-07 17:25:55,435 INFO  L437           NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 410 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2025-05-07 17:25:55,435 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 495 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2025-05-07 17:25:55,436 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 86 states.
[2025-05-07 17:25:55,439 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86.
[2025-05-07 17:25:55,439 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 86 states, 36 states have (on average 1.0277777777777777) internal successors, (37), 37 states have internal predecessors, (37), 26 states have call successors, (28), 21 states have call predecessors, (28), 23 states have return successors, (30), 27 states have call predecessors, (30), 26 states have call successors, (30)
[2025-05-07 17:25:55,440 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 95 transitions.
[2025-05-07 17:25:55,440 INFO  L79                 Accepts]: Start accepts. Automaton has 86 states and 95 transitions. Word has length 65
[2025-05-07 17:25:55,440 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:55,440 INFO  L485      AbstractCegarLoop]: Abstraction has 86 states and 95 transitions.
[2025-05-07 17:25:55,440 INFO  L486      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 6 states have (on average 4.833333333333333) internal successors, (29), 7 states have internal predecessors, (29), 4 states have call successors, (18), 1 states have call predecessors, (18), 6 states have return successors, (18), 6 states have call predecessors, (18), 4 states have call successors, (18)
[2025-05-07 17:25:55,440 INFO  L278                IsEmpty]: Start isEmpty. Operand 86 states and 95 transitions.
[2025-05-07 17:25:55,441 INFO  L284                IsEmpty]: Finished isEmpty. Found accepting run of length 69
[2025-05-07 17:25:55,441 INFO  L210           NwaCegarLoop]: Found error trace
[2025-05-07 17:25:55,441 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 17:25:55,441 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2025-05-07 17:25:55,441 INFO  L403      AbstractCegarLoop]: === Iteration 5 === Targeting Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY === [Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY] ===
[2025-05-07 17:25:55,441 INFO  L155       PredicateUnifier]: Initialized classic predicate unifier
[2025-05-07 17:25:55,441 INFO  L85        PathProgramCache]: Analyzing trace with hash 1285669502, now seen corresponding path program 1 times
[2025-05-07 17:25:55,442 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2025-05-07 17:25:55,442 INFO  L324   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296351056]
[2025-05-07 17:25:55,442 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2025-05-07 17:25:55,442 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2025-05-07 17:25:55,466 INFO  L108    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes.
[2025-05-07 17:25:55,476 INFO  L111    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements.
[2025-05-07 17:25:55,476 INFO  L114    AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s)
[2025-05-07 17:25:55,476 INFO  L115    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2025-05-07 17:25:55,687 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 17:25:55,688 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2025-05-07 17:25:55,688 INFO  L324   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296351056]
[2025-05-07 17:25:55,688 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296351056] provided 1 perfect and 0 imperfect interpolant sequences
[2025-05-07 17:25:55,688 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2025-05-07 17:25:55,688 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2025-05-07 17:25:55,688 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839417572]
[2025-05-07 17:25:55,688 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2025-05-07 17:25:55,689 INFO  L562      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2025-05-07 17:25:55,689 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2025-05-07 17:25:55,689 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2025-05-07 17:25:55,689 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2025-05-07 17:25:55,690 INFO  L87              Difference]: Start difference. First operand 86 states and 95 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 17:25:55,732 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2025-05-07 17:25:55,732 INFO  L93              Difference]: Finished difference Result 48 states and 51 transitions.
[2025-05-07 17:25:55,732 INFO  L140   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2025-05-07 17:25:55,733 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 17:25:55,733 INFO  L85                 Accepts]: Finished accepts. some prefix is accepted.
[2025-05-07 17:25:55,733 INFO  L225             Difference]: With dead ends: 48
[2025-05-07 17:25:55,733 INFO  L226             Difference]: Without dead ends: 0
[2025-05-07 17:25:55,733 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 17:25:55,733 INFO  L437           NwaCegarLoop]: 47 mSDtfsCounter, 0 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 224 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 17:25:55,734 INFO  L438           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 224 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2025-05-07 17:25:55,734 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2025-05-07 17:25:55,734 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2025-05-07 17:25:55,734 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 17:25:55,734 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2025-05-07 17:25:55,734 INFO  L79                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68
[2025-05-07 17:25:55,734 INFO  L85                 Accepts]: Finished accepts. word is rejected.
[2025-05-07 17:25:55,734 INFO  L485      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2025-05-07 17:25:55,735 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 17:25:55,735 INFO  L278                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2025-05-07 17:25:55,735 INFO  L284                IsEmpty]: Finished isEmpty. No accepting run.
[2025-05-07 17:25:55,737 INFO  L790   garLoopResultBuilder]: Registering result SAFE for location Ultimate.STARTErr0ASSERT_VIOLATIONCHC_SATISFIABILITY (0 of 1 remaining)
[2025-05-07 17:25:55,737 WARN  L466      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2025-05-07 17:25:55,739 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2025-05-07 17:25:55,741 INFO  L171   ceAbstractionStarter]: Computing trace abstraction results
[2025-05-07 17:25:55,743 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 05:25:55 BoogieIcfgContainer
[2025-05-07 17:25:55,743 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2025-05-07 17:25:55,744 INFO  L158              Benchmark]: Toolchain (without parser) took 2051.45ms. Allocated memory is still 234.9MB. Free memory was 151.0MB in the beginning and 149.8MB in the end (delta: 1.2MB). Peak memory consumption was 11.5MB. Max. memory is 33.6GB.
[2025-05-07 17:25:55,744 INFO  L158              Benchmark]: SmtParser took 0.29ms. Allocated memory is still 234.9MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:55,744 INFO  L158              Benchmark]: ChcToBoogie took 41.80ms. Allocated memory is still 234.9MB. Free memory was 150.8MB in the beginning and 147.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:55,744 INFO  L158              Benchmark]: Boogie Preprocessor took 68.06ms. Allocated memory is still 234.9MB. Free memory was 147.5MB in the beginning and 144.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
[2025-05-07 17:25:55,744 INFO  L158              Benchmark]: RCFGBuilder took 394.99ms. Allocated memory is still 234.9MB. Free memory was 144.3MB in the beginning and 185.0MB in the end (delta: -40.7MB). Peak memory consumption was 42.3MB. Max. memory is 33.6GB.
[2025-05-07 17:25:55,745 INFO  L158              Benchmark]: TraceAbstraction took 1542.28ms. Allocated memory is still 234.9MB. Free memory was 184.4MB in the beginning and 149.8MB in the end (delta: 34.6MB). Peak memory consumption was 36.3MB. Max. memory is 33.6GB.
[2025-05-07 17:25:55,745 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * SmtParser took 0.29ms. Allocated memory is still 234.9MB. Free memory is still 172.3MB. There was no memory consumed. Max. memory is 33.6GB.
 * ChcToBoogie took 41.80ms. Allocated memory is still 234.9MB. Free memory was 150.8MB in the beginning and 147.5MB in the end (delta: 3.3MB). There was no memory consumed. Max. memory is 33.6GB.
 * Boogie Preprocessor took 68.06ms. Allocated memory is still 234.9MB. Free memory was 147.5MB in the beginning and 144.4MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 33.6GB.
 * RCFGBuilder took 394.99ms. Allocated memory is still 234.9MB. Free memory was 144.3MB in the beginning and 185.0MB in the end (delta: -40.7MB). Peak memory consumption was 42.3MB. Max. memory is 33.6GB.
 * TraceAbstraction took 1542.28ms. Allocated memory is still 234.9MB. Free memory was 184.4MB in the beginning and 149.8MB in the end (delta: 34.6MB). Peak memory consumption was 36.3MB. 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 22 procedures, 87 locations, 132 edges, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 1911 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1494 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 102 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 417 mSDtfsCounter, 102 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=88occurred in iteration=2, InterpolantAutomatonStates: 29, 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, 7 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 337 NumberOfCodeBlocks, 337 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 332 ConstructedInterpolants, 0 QuantifiedInterpolants, 423 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 17:25:55,755 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
