/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 15:19:56,850 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 15:19:56,920 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 15:19:56,925 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 15:19:56,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 15:19:56,953 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 15:19:56,953 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 15:19:56,953 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 15:19:56,953 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 15:19:56,954 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 15:19:56,954 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 15:19:56,954 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 15:19:56,955 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 15:19:56,955 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 15:19:56,955 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 15:19:56,955 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 15:19:56,957 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 15:19:56,958 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 15:19:56,958 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 15:19:56,958 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 15:19:57,171 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 15:19:57,177 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 15:19:57,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 15:19:57,179 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 15:19:57,180 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 15:19:57,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2025-04-14 15:19:58,410 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6800053bc/72b41961185148c59d72bde917b0ed6e/FLAGd7469c5c2 [2025-04-14 15:19:58,624 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 15:19:58,625 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2025-04-14 15:19:58,646 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6800053bc/72b41961185148c59d72bde917b0ed6e/FLAGd7469c5c2 [2025-04-14 15:19:59,461 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6800053bc/72b41961185148c59d72bde917b0ed6e [2025-04-14 15:19:59,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 15:19:59,464 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 15:19:59,464 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 15:19:59,465 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 15:19:59,468 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 15:19:59,468 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:19:59,469 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d8f7f05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59, skipping insertion in model container [2025-04-14 15:19:59,469 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:19:59,500 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 15:19:59,797 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2025-04-14 15:19:59,818 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 15:19:59,843 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 15:19:59,900 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2025-04-14 15:19:59,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 15:19:59,948 INFO L204 MainTranslator]: Completed translation [2025-04-14 15:19:59,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59 WrapperNode [2025-04-14 15:19:59,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 15:19:59,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 15:19:59,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 15:19:59,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 15:19:59,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:19:59,975 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,002 INFO L138 Inliner]: procedures = 272, calls = 109, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 314 [2025-04-14 15:20:00,003 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 15:20:00,004 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 15:20:00,004 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 15:20:00,004 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 15:20:00,009 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,009 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,012 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,012 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,018 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,019 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,020 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,021 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,026 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 15:20:00,027 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 15:20:00,027 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 15:20:00,027 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 15:20:00,028 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (1/1) ... [2025-04-14 15:20:00,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 15:20:00,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:00,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 15:20:00,053 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-14 15:20:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 15:20:00,068 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 15:20:00,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 15:20:00,069 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 15:20:00,190 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 15:20:00,191 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 15:20:00,475 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L953: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2025-04-14 15:20:00,475 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L953-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2025-04-14 15:20:00,523 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 15:20:00,523 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 15:20:00,763 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 15:20:00,763 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 15:20:00,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 03:20:00 BoogieIcfgContainer [2025-04-14 15:20:00,764 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 15:20:00,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 15:20:00,765 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 15:20:00,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 15:20:00,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 03:19:59" (1/3) ... [2025-04-14 15:20:00,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fee7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 03:20:00, skipping insertion in model container [2025-04-14 15:20:00,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:19:59" (2/3) ... [2025-04-14 15:20:00,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76fee7f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 03:20:00, skipping insertion in model container [2025-04-14 15:20:00,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 03:20:00" (3/3) ... [2025-04-14 15:20:00,771 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2025-04-14 15:20:00,781 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 15:20:00,782 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_72-funloop_hard_racing.i that has 2 procedures, 94 locations, 133 edges, 1 initial locations, 17 loop locations, and 3 error locations. [2025-04-14 15:20:00,782 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 15:20:00,837 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-14 15:20:00,866 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 15:20:00,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 15:20:00,866 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:00,869 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 15:20:00,871 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 15:20:00,938 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 15:20:00,949 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-14 15:20:00,956 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=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@396b4d29, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 15:20:00,956 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 15:20:01,192 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:01,193 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:01,193 INFO L139 ounterexampleChecker]: Examining path program with hash 14413201, occurence #1 [2025-04-14 15:20:01,193 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 15:20:01,193 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:01,196 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash 878425387, now seen corresponding path program 1 times [2025-04-14 15:20:01,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:01,201 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1090949459] [2025-04-14 15:20:01,201 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:20:01,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:01,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 15:20:01,276 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 15:20:01,277 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:01,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:01,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:20:01,435 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:01,435 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1090949459] [2025-04-14 15:20:01,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1090949459] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 15:20:01,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 15:20:01,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 15:20:01,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688196660] [2025-04-14 15:20:01,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 15:20:01,440 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 15:20:01,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:01,452 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 15:20:01,452 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 15:20:01,453 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:01,454 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:01,456 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2025-04-14 15:20:01,456 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:01,513 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:01,513 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 15:20:01,513 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:01,513 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:01,513 INFO L139 ounterexampleChecker]: Examining path program with hash 14413201, occurence #2 [2025-04-14 15:20:01,513 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:01,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:01,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:01,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 2 [2025-04-14 15:20:01,514 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:01,514 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 15:20:01,514 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:01,514 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:01,514 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:01,515 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:01,515 INFO L85 PathProgramCache]: Analyzing trace with hash -229605773, now seen corresponding path program 1 times [2025-04-14 15:20:01,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:01,515 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203323833] [2025-04-14 15:20:01,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:20:01,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:01,526 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 15:20:01,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 15:20:01,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:01,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:01,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:20:01,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:01,600 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203323833] [2025-04-14 15:20:01,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203323833] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:01,600 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [132956759] [2025-04-14 15:20:01,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:20:01,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:01,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:01,602 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:01,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 15:20:01,658 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 15:20:01,689 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 15:20:01,689 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:01,689 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:01,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-14 15:20:01,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:20:01,703 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:01,717 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:20:01,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [132956759] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:01,717 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:01,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-14 15:20:01,718 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337546358] [2025-04-14 15:20:01,718 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:01,718 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 15:20:01,718 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:01,719 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 15:20:01,719 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 15:20:01,719 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:01,719 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:01,719 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 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) [2025-04-14 15:20:01,719 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:01,719 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:01,821 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:01,822 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:01,829 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 15:20:02,027 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-14 15:20:02,027 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:02,027 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:02,027 INFO L139 ounterexampleChecker]: Examining path program with hash 14413201, occurence #3 [2025-04-14 15:20:02,027 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:02,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:02,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:02,027 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 15:20:02,027 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:02,028 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 15:20:02,028 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:02,028 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:02,028 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:02,028 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:02,028 INFO L85 PathProgramCache]: Analyzing trace with hash 1877460779, now seen corresponding path program 2 times [2025-04-14 15:20:02,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:02,028 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31946862] [2025-04-14 15:20:02,028 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:20:02,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:02,038 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-14 15:20:02,067 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-14 15:20:02,067 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 15:20:02,067 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:02,453 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 15:20:02,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:02,453 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31946862] [2025-04-14 15:20:02,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [31946862] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 15:20:02,453 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 15:20:02,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 15:20:02,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520416204] [2025-04-14 15:20:02,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 15:20:02,453 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 15:20:02,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:02,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 15:20:02,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-14 15:20:02,454 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:02,454 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:02,454 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 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) [2025-04-14 15:20:02,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:02,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:02,454 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:02,633 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:02,633 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:02,633 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:02,633 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 15:20:02,634 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:02,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:02,634 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #1 [2025-04-14 15:20:02,634 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 15:20:02,634 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:02,634 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash 209987626, now seen corresponding path program 1 times [2025-04-14 15:20:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:02,634 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1352344075] [2025-04-14 15:20:02,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:20:02,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:02,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 15:20:02,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 15:20:02,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:02,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:02,754 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 15:20:02,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:02,754 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1352344075] [2025-04-14 15:20:02,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1352344075] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:02,754 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2078982676] [2025-04-14 15:20:02,754 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:20:02,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:02,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:02,756 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:02,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 15:20:02,813 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 15:20:02,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 15:20:02,853 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:02,853 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:02,855 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-14 15:20:02,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 15:20:02,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:02,928 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 15:20:02,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2078982676] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:02,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:02,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-14 15:20:02,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208491485] [2025-04-14 15:20:02,929 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:02,929 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 15:20:02,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:02,930 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 15:20:02,930 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-14 15:20:02,930 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:02,930 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:02,930 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 12 states have internal predecessors, (43), 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) [2025-04-14 15:20:02,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:02,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:02,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:02,930 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:02,998 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:02,998 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:02,998 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:03,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:03,008 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 15:20:03,201 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:03,201 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:03,201 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:03,202 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #2 [2025-04-14 15:20:03,202 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:03,202 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:03,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:03,202 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:03,202 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:03,203 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:03,203 INFO L85 PathProgramCache]: Analyzing trace with hash 326700330, now seen corresponding path program 2 times [2025-04-14 15:20:03,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:03,203 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544825287] [2025-04-14 15:20:03,203 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:20:03,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:03,215 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-04-14 15:20:03,248 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 15:20:03,248 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:20:03,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:03,934 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:03,935 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:03,935 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544825287] [2025-04-14 15:20:03,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544825287] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:03,935 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645773216] [2025-04-14 15:20:03,935 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:20:03,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:03,935 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:03,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:03,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 15:20:04,007 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-04-14 15:20:04,055 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 15:20:04,055 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:20:04,055 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:04,057 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 42 conjuncts are in the unsatisfiable core [2025-04-14 15:20:04,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:04,162 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:20:04,163 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:20:04,192 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:04,329 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:04,412 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:04,413 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:04,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:04,478 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:04,630 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:04,631 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:05,759 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int)) (v_ArrVal_215 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ v_ArrVal_215 (- 1))))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:05,858 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:06,001 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:06,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645773216] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:06,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:06,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2025-04-14 15:20:06,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620587199] [2025-04-14 15:20:06,001 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:06,001 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-14 15:20:06,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:06,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-14 15:20:06,002 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=536, Unknown=11, NotChecked=98, Total=756 [2025-04-14 15:20:06,002 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:06,003 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:06,003 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.5714285714285716) internal successors, (100), 27 states have internal predecessors, (100), 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) [2025-04-14 15:20:06,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:06,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:06,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:06,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:06,003 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:06,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:06,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:06,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:06,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:06,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:06,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 15:20:06,539 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:06,539 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:06,539 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:06,539 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #3 [2025-04-14 15:20:06,539 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:06,539 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:06,539 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,539 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:06,539 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,539 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:06,539 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:06,540 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:06,540 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:06,540 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:06,541 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:06,541 INFO L85 PathProgramCache]: Analyzing trace with hash 1313819595, now seen corresponding path program 3 times [2025-04-14 15:20:06,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:06,541 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565446571] [2025-04-14 15:20:06,541 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:20:06,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:06,554 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 6 equivalence classes. [2025-04-14 15:20:06,581 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 59 of 65 statements. [2025-04-14 15:20:06,582 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 15:20:06,582 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:07,310 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:07,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:07,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565446571] [2025-04-14 15:20:07,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565446571] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:07,311 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1489294459] [2025-04-14 15:20:07,311 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:20:07,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:07,311 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:07,313 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:07,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 15:20:07,373 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 6 equivalence classes. [2025-04-14 15:20:07,425 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 59 of 65 statements. [2025-04-14 15:20:07,425 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 15:20:07,425 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:07,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-04-14 15:20:07,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:07,502 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:20:07,502 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:20:07,530 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:07,637 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:07,725 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:07,726 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:07,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:07,775 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:07,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:07,964 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:08,009 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:08,010 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:08,126 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:09,118 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 Int) (v_ArrVal_343 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ v_ArrVal_344 (- 1))))) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:09,136 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31| Int) (v_ArrVal_343 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_31|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-14 15:20:09,141 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_343 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:09,145 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_343 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:09,232 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:09,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1489294459] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:09,232 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:09,232 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 15] total 35 [2025-04-14 15:20:09,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13701264] [2025-04-14 15:20:09,233 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:09,233 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 15:20:09,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:09,234 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 15:20:09,234 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=869, Unknown=4, NotChecked=252, Total=1260 [2025-04-14 15:20:09,234 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:09,234 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:09,234 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 4.527777777777778) internal successors, (163), 35 states have internal predecessors, (163), 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) [2025-04-14 15:20:09,234 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:09,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:09,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:09,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:09,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:09,235 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:09,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:09,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:09,692 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:09,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:09,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:09,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:09,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 15:20:09,897 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:09,897 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:09,897 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:09,897 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #4 [2025-04-14 15:20:09,897 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:09,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:09,897 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:09,897 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:09,897 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:09,897 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:20:09,898 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:09,898 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:09,898 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:09,899 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:09,899 INFO L85 PathProgramCache]: Analyzing trace with hash -429121654, now seen corresponding path program 4 times [2025-04-14 15:20:09,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:09,899 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133299154] [2025-04-14 15:20:09,899 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:20:09,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:09,912 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 15:20:09,979 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 15:20:09,979 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:20:09,979 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:11,082 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:11,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:11,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133299154] [2025-04-14 15:20:11,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133299154] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:11,082 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64421499] [2025-04-14 15:20:11,082 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:20:11,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:11,082 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:11,085 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:11,086 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 15:20:11,159 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 15:20:11,431 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 15:20:11,431 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:20:11,431 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:11,434 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-14 15:20:11,437 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:11,538 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:20:11,539 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:20:11,569 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:11,687 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:11,766 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:11,767 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:11,823 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:11,825 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:11,994 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:11,994 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:12,045 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:12,046 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:12,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:12,171 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:12,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:12,211 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:12,315 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:12,315 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:13,143 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (v_ArrVal_509 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ v_ArrVal_509 (- 1))))) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:13,160 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2025-04-14 15:20:13,200 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507) |c_~#cache~0.base|) (+ 84 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:13,287 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:13,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [64421499] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:13,287 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:13,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 18] total 44 [2025-04-14 15:20:13,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [32159561] [2025-04-14 15:20:13,287 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:13,287 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-14 15:20:13,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:13,289 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-14 15:20:13,290 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=1544, Unknown=13, NotChecked=246, Total=1980 [2025-04-14 15:20:13,290 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:13,290 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:13,290 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.8) internal successors, (216), 44 states have internal predecessors, (216), 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) [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:13,290 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:13,921 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:13,928 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-04-14 15:20:14,122 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:14,122 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:14,122 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:14,122 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #5 [2025-04-14 15:20:14,122 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:14,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:14,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:14,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:14,122 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:14,122 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:14,122 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:20:14,123 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,123 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:20:14,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:20:14,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,124 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:20:14,124 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:14,124 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:14,124 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:14,124 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:14,124 INFO L85 PathProgramCache]: Analyzing trace with hash -163619477, now seen corresponding path program 5 times [2025-04-14 15:20:14,124 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:14,124 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1476920333] [2025-04-14 15:20:14,124 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 15:20:14,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:14,139 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 103 statements into 6 equivalence classes. [2025-04-14 15:20:14,184 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 103 of 103 statements. [2025-04-14 15:20:14,184 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 15:20:14,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:15,188 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:15,188 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1476920333] [2025-04-14 15:20:15,188 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1476920333] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:15,188 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188853547] [2025-04-14 15:20:15,188 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 15:20:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:15,188 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:15,190 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:15,191 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 15:20:15,268 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 103 statements into 6 equivalence classes. [2025-04-14 15:20:19,330 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 103 of 103 statements. [2025-04-14 15:20:19,330 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 15:20:19,330 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:19,338 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-14 15:20:19,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:19,423 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:20:19,424 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:20:19,445 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:19,547 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:19,601 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:19,601 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:19,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:19,648 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:19,790 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:19,791 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:19,830 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:19,830 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:19,953 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:19,953 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:19,991 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:19,992 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:20,131 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:20,132 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:20,167 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:20,168 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:20,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:20,934 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int)) (v_ArrVal_707 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ v_ArrVal_707 (- 1))))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:20,947 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2025-04-14 15:20:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:21,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188853547] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:21,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 21] total 51 [2025-04-14 15:20:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395009658] [2025-04-14 15:20:21,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:21,125 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-14 15:20:21,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:21,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-14 15:20:21,127 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2243, Unknown=20, NotChecked=194, Total=2652 [2025-04-14 15:20:21,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:21,128 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:21,128 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.269230769230769) internal successors, (274), 51 states have internal predecessors, (274), 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) [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:21,128 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:22,090 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:22,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 15:20:22,291 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:22,291 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:22,291 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:22,291 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #6 [2025-04-14 15:20:22,291 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:22,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:22,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:22,291 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,291 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:22,292 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:20:22,292 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,292 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:20:22,293 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:22,293 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:22,293 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:22,293 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:22,293 INFO L85 PathProgramCache]: Analyzing trace with hash 1558079978, now seen corresponding path program 6 times [2025-04-14 15:20:22,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:22,294 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075135742] [2025-04-14 15:20:22,294 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 15:20:22,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:22,308 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 122 statements into 6 equivalence classes. [2025-04-14 15:20:22,363 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 122 of 122 statements. [2025-04-14 15:20:22,363 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 15:20:22,363 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:23,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:23,855 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075135742] [2025-04-14 15:20:23,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1075135742] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:23,855 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [394734876] [2025-04-14 15:20:23,855 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 15:20:23,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:23,855 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:23,857 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:23,858 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 15:20:23,957 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 122 statements into 6 equivalence classes. [2025-04-14 15:20:24,832 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 122 of 122 statements. [2025-04-14 15:20:24,833 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 15:20:24,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:24,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 96 conjuncts are in the unsatisfiable core [2025-04-14 15:20:24,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:25,005 INFO L325 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2025-04-14 15:20:25,005 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2025-04-14 15:20:25,132 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:25,308 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:25,386 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,386 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:25,436 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,437 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:25,626 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,627 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:25,666 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,666 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:25,797 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,798 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:25,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,834 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:25,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:25,961 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:25,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:26,000 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:26,139 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:26,140 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:26,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:26,171 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:26,301 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:26,301 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:27,339 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_940 (Array Int Int)) (v_ArrVal_941 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_940))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ v_ArrVal_941 (- 1))))) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:27,667 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:27,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [394734876] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:27,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:27,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 23] total 61 [2025-04-14 15:20:27,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234959947] [2025-04-14 15:20:27,667 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:27,668 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 62 states [2025-04-14 15:20:27,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:27,669 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2025-04-14 15:20:27,669 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=3369, Unknown=34, NotChecked=118, Total=3782 [2025-04-14 15:20:27,669 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:27,669 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:27,670 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 62 states, 62 states have (on average 5.32258064516129) internal successors, (330), 61 states have internal predecessors, (330), 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) [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:27,670 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:29,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:29,300 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:20:29,315 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-04-14 15:20:29,500 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-14 15:20:29,500 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:29,500 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:29,501 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #7 [2025-04-14 15:20:29,501 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:29,501 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,501 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:29,501 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,502 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:20:29,502 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:20:29,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,503 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:20:29,503 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:29,503 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:29,503 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:29,503 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:29,503 INFO L85 PathProgramCache]: Analyzing trace with hash -617269493, now seen corresponding path program 7 times [2025-04-14 15:20:29,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:29,505 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686357584] [2025-04-14 15:20:29,505 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 15:20:29,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:29,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 15:20:29,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 15:20:29,541 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:29,541 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:30,914 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:30,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:30,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686357584] [2025-04-14 15:20:30,915 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1686357584] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:30,915 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858624512] [2025-04-14 15:20:30,915 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 15:20:30,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:30,915 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:30,917 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:30,917 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 15:20:31,012 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 15:20:31,064 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 15:20:31,064 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:20:31,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:31,067 INFO L256 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-14 15:20:31,071 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:31,122 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:20:31,123 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:20:31,149 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:31,251 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:31,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,306 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:31,344 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,345 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:31,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,491 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:31,530 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,530 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:31,655 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,656 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:31,688 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,688 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:31,806 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,807 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:31,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,843 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:31,961 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:31,961 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:32,000 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:32,001 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:32,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:32,121 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:32,170 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:32,172 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:32,286 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:32,286 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:37,758 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:37,910 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:37,910 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858624512] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:37,910 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:37,910 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 27] total 62 [2025-04-14 15:20:37,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226073541] [2025-04-14 15:20:37,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:37,911 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-14 15:20:37,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:37,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-14 15:20:37,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=3480, Unknown=48, NotChecked=120, Total=3906 [2025-04-14 15:20:37,912 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:37,912 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:37,912 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.111111111111111) internal successors, (385), 62 states have internal predecessors, (385), 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) [2025-04-14 15:20:37,912 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:20:37,913 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:20:39,148 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:20:39,155 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 15:20:39,348 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-14 15:20:39,349 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:39,349 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:39,349 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #8 [2025-04-14 15:20:39,349 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:39,349 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:39,349 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,349 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,350 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:20:39,350 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:20:39,351 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:39,351 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:39,351 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:39,351 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:39,351 INFO L85 PathProgramCache]: Analyzing trace with hash 363195466, now seen corresponding path program 8 times [2025-04-14 15:20:39,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:39,351 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086218236] [2025-04-14 15:20:39,351 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:20:39,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:39,367 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 160 statements into 2 equivalence classes. [2025-04-14 15:20:39,391 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 160 of 160 statements. [2025-04-14 15:20:39,391 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:20:39,391 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:41,174 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:41,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:41,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086218236] [2025-04-14 15:20:41,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086218236] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:41,174 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279464365] [2025-04-14 15:20:41,174 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:20:41,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:41,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:41,176 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:41,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 15:20:41,280 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 160 statements into 2 equivalence classes. [2025-04-14 15:20:41,342 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 160 of 160 statements. [2025-04-14 15:20:41,343 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:20:41,343 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:41,346 INFO L256 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-14 15:20:41,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:20:41,403 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:20:41,404 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:20:41,428 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:41,525 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:20:41,584 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:41,585 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:41,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:41,620 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:41,757 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:41,757 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:41,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:41,792 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:41,911 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:41,912 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:41,960 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:41,961 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:42,112 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,113 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:42,153 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,154 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:42,276 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,276 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:42,314 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,314 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:42,435 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,436 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:42,473 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,474 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:42,604 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,604 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:20:42,638 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:20:42,639 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:20:42,751 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:42,751 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:20:44,340 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-14 15:20:44,398 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:20:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:44,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279464365] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:20:44,492 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:20:44,492 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2025-04-14 15:20:44,493 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290631956] [2025-04-14 15:20:44,493 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:20:44,493 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-14 15:20:44,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:20:44,494 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-14 15:20:44,495 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=284, Invalid=4246, Unknown=34, NotChecked=266, Total=4830 [2025-04-14 15:20:44,495 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:44,495 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:20:44,495 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.314285714285714) internal successors, (442), 69 states have internal predecessors, (442), 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) [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:20:44,495 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:20:46,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:20:46,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:20:46,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:20:46,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:20:46,326 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 15:20:46,519 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-14 15:20:46,519 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:20:46,519 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:20:46,520 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #9 [2025-04-14 15:20:46,520 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:20:46,520 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:20:46,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:20:46,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 15:20:46,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:20:46,522 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:20:46,522 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:20:46,522 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:20:46,522 INFO L85 PathProgramCache]: Analyzing trace with hash -761603925, now seen corresponding path program 9 times [2025-04-14 15:20:46,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:20:46,523 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283037037] [2025-04-14 15:20:46,523 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:20:46,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:20:46,543 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 9 equivalence classes. [2025-04-14 15:20:46,612 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 179 of 179 statements. [2025-04-14 15:20:46,613 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 15:20:46,613 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:20:48,812 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:20:48,813 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:20:48,813 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283037037] [2025-04-14 15:20:48,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283037037] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:20:48,813 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1641006306] [2025-04-14 15:20:48,813 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:20:48,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:20:48,813 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:20:48,815 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:20:48,816 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 15:20:48,936 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 9 equivalence classes. [2025-04-14 15:21:00,485 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 179 of 179 statements. [2025-04-14 15:21:00,485 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 15:21:00,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:21:00,497 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 126 conjuncts are in the unsatisfiable core [2025-04-14 15:21:00,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:21:00,552 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:21:00,553 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:21:00,586 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:21:00,687 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:21:00,747 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:00,747 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:00,786 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:00,786 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:00,944 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:00,945 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:00,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:00,976 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:01,114 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,115 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:01,146 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,147 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:01,277 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,278 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:01,309 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,310 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:01,441 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,442 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:01,474 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,475 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:01,606 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,607 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:01,648 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,649 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:01,779 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,780 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:01,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,818 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:01,966 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:01,967 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:21:02,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:21:02,013 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:21:02,163 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:21:02,163 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:21:03,928 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int)) (v_ArrVal_1854 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) v_ArrVal_1854)))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:21:04,127 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852) |c_~#cache~0.base|) (+ 224 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:21:04,211 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:21:04,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1641006306] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:21:04,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:21:04,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 24, 33] total 80 [2025-04-14 15:21:04,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274943097] [2025-04-14 15:21:04,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:21:04,212 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2025-04-14 15:21:04,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:21:04,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2025-04-14 15:21:04,214 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=5810, Unknown=45, NotChecked=310, Total=6480 [2025-04-14 15:21:04,214 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:21:04,214 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:21:04,214 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 6.160493827160494) internal successors, (499), 80 states have internal predecessors, (499), 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) [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:21:04,214 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:21:04,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:21:04,215 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:21:06,435 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:21:06,436 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 15:21:06,450 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-14 15:21:06,636 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-14 15:21:06,637 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:21:06,637 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:21:06,637 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #10 [2025-04-14 15:21:06,637 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:21:06,637 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:21:06,637 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,637 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,638 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:21:06,638 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-14 15:21:06,639 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:21:06,639 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:21:06,639 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:21:06,640 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:21:06,640 INFO L85 PathProgramCache]: Analyzing trace with hash -552032598, now seen corresponding path program 10 times [2025-04-14 15:21:06,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:21:06,640 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442326476] [2025-04-14 15:21:06,640 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:21:06,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:21:06,662 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 198 statements into 2 equivalence classes. [2025-04-14 15:21:06,723 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 15:21:06,724 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:21:06,724 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:21:11,003 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:21:11,004 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:21:11,004 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442326476] [2025-04-14 15:21:11,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442326476] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:21:11,004 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575058453] [2025-04-14 15:21:11,004 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:21:11,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:21:11,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:21:11,006 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:21:11,006 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 15:21:11,156 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 198 statements into 2 equivalence classes. [2025-04-14 15:27:02,622 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 15:27:02,622 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:27:02,622 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:27:02,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 158 conjuncts are in the unsatisfiable core [2025-04-14 15:27:02,684 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:27:02,814 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:27:02,814 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:27:02,858 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:27:03,031 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:27:03,117 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:03,118 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:03,119 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:03,119 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2025-04-14 15:27:03,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:03,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:03,172 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:03,173 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2025-04-14 15:27:03,397 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2025-04-14 15:27:03,452 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2025-04-14 15:27:03,652 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2025-04-14 15:27:03,702 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2025-04-14 15:27:03,897 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2025-04-14 15:27:03,987 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 31 [2025-04-14 15:27:04,195 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,196 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,203 INFO L325 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2025-04-14 15:27:04,203 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 37 treesize of output 35 [2025-04-14 15:27:04,315 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,316 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,329 INFO L325 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2025-04-14 15:27:04,330 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 56 [2025-04-14 15:27:04,571 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:27:04,615 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:27:04,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,792 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,793 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:27:04,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,844 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:04,844 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:27:05,041 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:05,042 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:05,043 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:27:05,087 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:05,088 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:05,090 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:27:05,277 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2025-04-14 15:27:05,356 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:05,568 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:27:05,569 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:27:07,548 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 4 [2025-04-14 15:27:07,993 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2227 (Array Int Int)) (v_ArrVal_2229 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2227))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) v_ArrVal_2229)))) |c_~#cache~0.base|) (+ 252 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:27:08,006 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_129| Int) (v_ArrVal_2227 (Array Int Int))) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2227) |c_~#cache~0.base|) (+ 252 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_129|)))) is different from false [2025-04-14 15:27:08,010 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2227 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2227) |c_~#cache~0.base|) (+ 252 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:27:08,216 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:27:08,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575058453] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:27:08,216 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:27:08,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 31, 35] total 101 [2025-04-14 15:27:08,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592022549] [2025-04-14 15:27:08,217 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:27:08,217 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2025-04-14 15:27:08,217 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:27:08,218 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2025-04-14 15:27:08,220 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=610, Invalid=9081, Unknown=23, NotChecked=588, Total=10302 [2025-04-14 15:27:08,220 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:27:08,220 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:27:08,220 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 5.470588235294118) internal successors, (558), 101 states have internal predecessors, (558), 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) [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:27:08,220 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:27:08,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:27:08,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 15:27:08,221 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2025-04-14 15:27:11,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 15:27:11,382 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-14 15:27:11,519 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-04-14 15:27:11,519 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:27:11,519 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:27:11,519 INFO L139 ounterexampleChecker]: Examining path program with hash -282359342, occurence #11 [2025-04-14 15:27:11,519 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:27:11,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:27:11,519 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,519 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:27:11,520 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:27:11,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 15:27:11,521 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,521 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 203 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 205 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 207 [2025-04-14 15:27:11,522 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:27:11,522 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:27:11,522 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:27:11,523 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:27:11,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1381646923, now seen corresponding path program 11 times [2025-04-14 15:27:11,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:27:11,523 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059728963] [2025-04-14 15:27:11,523 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 15:27:11,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:27:11,546 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 217 statements into 11 equivalence classes. [2025-04-14 15:27:11,605 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 217 of 217 statements. [2025-04-14 15:27:11,605 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-04-14 15:27:11,605 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:27:11,804 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 875 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:27:11,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:27:11,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059728963] [2025-04-14 15:27:11,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059728963] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 15:27:11,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 15:27:11,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2025-04-14 15:27:11,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113486845] [2025-04-14 15:27:11,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 15:27:11,805 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 15:27:11,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:27:11,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 15:27:11,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-14 15:27:11,806 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:27:11,806 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:27:11,806 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 16.0) internal successors, (208), 13 states have internal predecessors, (208), 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) [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 15:27:11,806 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:27:31,671 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 15:27:31,672 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 15:27:31,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 15:27:31,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-04-14 15:27:31,696 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 15:27:31,696 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-04-14 15:27:31,696 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:27:31,696 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:27:31,696 INFO L139 ounterexampleChecker]: Examining path program with hash -839019366, occurence #1 [2025-04-14 15:27:31,696 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 15:27:31,696 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:27:31,696 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:27:31,696 INFO L85 PathProgramCache]: Analyzing trace with hash 391213817, now seen corresponding path program 1 times [2025-04-14 15:27:31,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:27:31,697 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351443549] [2025-04-14 15:27:31,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:27:31,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:27:31,715 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 15:27:31,717 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 15:27:31,718 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:27:31,718 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:27:31,752 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2025-04-14 15:27:31,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:27:31,752 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351443549] [2025-04-14 15:27:31,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [351443549] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 15:27:31,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 15:27:31,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 15:27:31,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950220971] [2025-04-14 15:27:31,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 15:27:31,753 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 15:27:31,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:27:31,753 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 15:27:31,753 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-04-14 15:27:31,753 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:27:31,753 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:27:31,753 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.75) internal successors, (55), 4 states have internal predecessors, (55), 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) [2025-04-14 15:27:31,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:27:31,753 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 15:27:31,754 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 15:27:32,194 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2025-04-14 15:27:32,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2025-04-14 15:27:32,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2025-04-14 15:27:32,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 15:27:32,195 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 15:27:32,195 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-04-14 15:27:32,195 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:27:32,195 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:27:32,195 INFO L139 ounterexampleChecker]: Examining path program with hash 1481314045, occurence #1 [2025-04-14 15:27:32,195 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 15:27:32,195 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:27:32,196 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:27:32,196 INFO L85 PathProgramCache]: Analyzing trace with hash 199661696, now seen corresponding path program 12 times [2025-04-14 15:27:32,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:27:32,196 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1022428811] [2025-04-14 15:27:32,196 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 15:27:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:27:32,217 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 198 statements into 9 equivalence classes. [2025-04-14 15:27:32,283 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 15:27:32,283 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-14 15:27:32,283 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:27:35,640 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 21 proven. 575 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:27:35,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:27:35,641 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1022428811] [2025-04-14 15:27:35,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1022428811] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:27:35,641 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1019699795] [2025-04-14 15:27:35,641 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 15:27:35,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:27:35,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:27:35,643 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:27:35,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 15:27:35,793 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 198 statements into 9 equivalence classes. [2025-04-14 15:27:58,352 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 15:27:58,352 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2025-04-14 15:27:58,352 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:27:58,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 961 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-14 15:27:58,374 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:27:58,463 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:27:58,463 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:27:58,520 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:27:58,647 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:58,647 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:58,703 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:58,704 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:58,869 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:58,869 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:58,913 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:58,914 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:59,067 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,067 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:59,110 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,111 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:59,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,270 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:59,313 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,315 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:59,442 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,443 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:59,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,490 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:59,650 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,651 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:59,691 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,691 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:27:59,853 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,853 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:27:59,903 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:27:59,904 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:28:00,078 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:28:00,079 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:28:00,120 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:28:00,120 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:28:00,287 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:28:00,287 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:28:00,326 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:28:00,326 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:28:00,337 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:28:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 0 proven. 596 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:28:00,500 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:28:00,576 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2945 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2945) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:28:10,716 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2945 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| Int) (v_ArrVal_2943 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store (store |c_#memory_int| |c_~#cache~0.base| (store (select |c_#memory_int| |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| (+ (- 1) v_ArrVal_2943))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2945) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 28 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133|)))) is different from false [2025-04-14 15:28:14,755 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2945 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| Int) (v_ArrVal_2943 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 28 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133|) (= (select (select (store (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse2 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))))) (store .cse1 |c_~#cache~0.base| (store (select .cse1 |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| (+ (- 1) v_ArrVal_2943)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2945) |c_~#cache~0.base|) (+ 56 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-14 15:29:37,729 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2945 (Array Int Int)) (v_ArrVal_2939 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135| Int) (v_ArrVal_2943 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ 56 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133|) (< (+ .cse0 28 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135|) (= (select (select (store (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse2 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))))) (store .cse1 |c_~#cache~0.base| (store (store (select .cse1 |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135| (+ (- 1) v_ArrVal_2939)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| (+ (- 1) v_ArrVal_2943)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2945) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-14 15:31:46,642 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_139| Int) (v_ArrVal_2945 (Array Int Int)) (v_ArrVal_2939 Int) (v_ArrVal_2927 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_141| Int) (v_ArrVal_2931 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135| Int) (v_ArrVal_2943 Int) (v_ArrVal_2934 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ 56 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_139|) (< (+ 112 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135|) (< (+ .cse0 28 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_141|) (< (+ 140 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133|) (= (select (select (store (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) v_ArrVal_2927))))) (store .cse1 |c_~#cache~0.base| (store (store (store (store (select .cse1 |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_141| (+ (- 1) v_ArrVal_2931)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_139| (+ (- 1) v_ArrVal_2934)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135| (+ (- 1) v_ArrVal_2939)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| (+ (- 1) v_ArrVal_2943)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2945) |c_~#cache~0.base|) (+ .cse0 168 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-14 15:34:01,078 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2945 (Array Int Int)) (v_ArrVal_2939 Int) (v_ArrVal_2927 Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_141| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_143| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_145| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_147| Int) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_139| Int) (v_ArrVal_2931 Int) (v_ArrVal_2922 Int) (v_ArrVal_2943 Int) (v_ArrVal_2924 Int) (v_ArrVal_2934 Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ 112 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_141|) (< (+ 224 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133|) (< (+ 84 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_143|) (< (+ 140 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_139|) (< (+ .cse0 28 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_147|) (= (select (select (store (let ((.cse1 (store |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (let ((.cse2 (select |c_#memory_int| |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|))) (store .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) (select .cse2 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset|))))))) (store .cse1 |c_~#cache~0.base| (store (store (store (store (store (store (store (select .cse1 |c_~#cache~0.base|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_147| (+ (- 1) v_ArrVal_2922)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_145| (+ (- 1) v_ArrVal_2924)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_143| (+ (- 1) v_ArrVal_2927)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_141| (+ (- 1) v_ArrVal_2931)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_139| (+ (- 1) v_ArrVal_2934)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135| (+ (- 1) v_ArrVal_2939)) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_133| (+ (- 1) v_ArrVal_2943)))) |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_2945) |c_~#cache~0.base|) (+ 252 .cse0 |c_~#cache~0.offset|)) 0) (< (+ 196 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_135|) (< (+ 56 .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_145|)))) is different from false Received shutdown request... [2025-04-14 15:34:26,170 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 15:34:26,171 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 15:34:26,171 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 15:34:27,182 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 15:34:27,193 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-04-14 15:34:27,375 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2025-04-14 15:34:27,404 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 [2025-04-14 15:34:27,406 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 15:34:27,406 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-04-14 15:34:27,406 WARN L610 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 199 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2025-04-14 15:34:27,411 INFO L422 BasicCegarLoop]: Path program histogram: [12, 2, 1, 1] [2025-04-14 15:34:27,412 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was TIMEOUT (1/2) [2025-04-14 15:34:27,413 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 15:34:27,413 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 15:34:27,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 03:34:27 BasicIcfg [2025-04-14 15:34:27,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 15:34:27,417 INFO L158 Benchmark]: Toolchain (without parser) took 867952.95ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 108.4MB in the beginning and 766.9MB in the end (delta: -658.5MB). Peak memory consumption was 412.1MB. Max. memory is 8.0GB. [2025-04-14 15:34:27,417 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 15:34:27,418 INFO L158 Benchmark]: CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 73.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 15:34:27,418 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.66ms. Allocated memory is still 155.2MB. Free memory was 73.3MB in the beginning and 70.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 15:34:27,418 INFO L158 Benchmark]: Boogie Preprocessor took 22.29ms. Allocated memory is still 155.2MB. Free memory was 70.2MB in the beginning and 68.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 15:34:27,418 INFO L158 Benchmark]: IcfgBuilder took 736.89ms. Allocated memory is still 155.2MB. Free memory was 68.3MB in the beginning and 35.9MB in the end (delta: 32.4MB). Peak memory consumption was 49.7MB. Max. memory is 8.0GB. [2025-04-14 15:34:27,418 INFO L158 Benchmark]: TraceAbstraction took 866651.15ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 35.2MB in the beginning and 766.9MB in the end (delta: -731.7MB). Peak memory consumption was 337.2MB. Max. memory is 8.0GB. [2025-04-14 15:34:27,419 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 159.4MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 484.46ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 73.9MB in the end (delta: 34.5MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.66ms. Allocated memory is still 155.2MB. Free memory was 73.3MB in the beginning and 70.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.29ms. Allocated memory is still 155.2MB. Free memory was 70.2MB in the beginning and 68.3MB in the end (delta: 1.9MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * IcfgBuilder took 736.89ms. Allocated memory is still 155.2MB. Free memory was 68.3MB in the beginning and 35.9MB in the end (delta: 32.4MB). Peak memory consumption was 49.7MB. Max. memory is 8.0GB. * TraceAbstraction took 866651.15ms. Allocated memory was 155.2MB in the beginning and 1.2GB in the end (delta: 1.1GB). Free memory was 35.2MB in the beginning and 766.9MB in the end (delta: -731.7MB). Peak memory consumption was 337.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Partial order reduction statistics Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11725, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 4135, dependent conditional: 4079, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7649, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 59, dependent conditional: 3, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7649, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 59, dependent conditional: 3, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7731, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 140, dependent conditional: 84, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7731, independent: 7590, independent conditional: 17, independent unconditional: 7573, dependent: 140, dependent conditional: 35, dependent unconditional: 105, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7731, independent: 7590, independent conditional: 17, independent unconditional: 7573, dependent: 140, dependent conditional: 35, dependent unconditional: 105, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3604, independent: 3528, independent conditional: 17, independent unconditional: 3511, dependent: 75, dependent conditional: 19, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3604, independent: 3477, independent conditional: 0, independent unconditional: 3477, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 127, independent: 51, independent conditional: 17, independent unconditional: 34, dependent: 75, dependent conditional: 19, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, independent: 51, independent conditional: 17, independent unconditional: 34, dependent: 75, dependent conditional: 19, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1037, independent: 366, independent conditional: 141, independent unconditional: 225, dependent: 659, dependent conditional: 162, dependent unconditional: 498, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 7731, independent: 4062, independent conditional: 0, independent unconditional: 4062, dependent: 65, dependent conditional: 16, dependent unconditional: 49, unknown: 3604, unknown conditional: 37, unknown unconditional: 3567] , Statistics on independence cache: Total cache size (in pairs): 3604, Positive cache size: 3528, Positive conditional cache size: 17, Positive unconditional cache size: 3511, Negative cache size: 75, Negative conditional cache size: 19, Negative unconditional cache size: 56, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 3622, Maximal queried relation: 10, Independence queries for same thread: 4076, Persistent sets #1 benchmarks: Persistent set computation time: 0.8s, Number of persistent set computation: 152, Number of trivial persistent sets: 137, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4056, independent: 4000, independent conditional: 0, independent unconditional: 4000, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 11725, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 4135, dependent conditional: 4079, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7649, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 59, dependent conditional: 3, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7649, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 59, dependent conditional: 3, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7731, independent: 7590, independent conditional: 3590, independent unconditional: 4000, dependent: 140, dependent conditional: 84, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7731, independent: 7590, independent conditional: 17, independent unconditional: 7573, dependent: 140, dependent conditional: 35, dependent unconditional: 105, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7731, independent: 7590, independent conditional: 17, independent unconditional: 7573, dependent: 140, dependent conditional: 35, dependent unconditional: 105, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3604, independent: 3528, independent conditional: 17, independent unconditional: 3511, dependent: 75, dependent conditional: 19, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3604, independent: 3477, independent conditional: 0, independent unconditional: 3477, dependent: 127, dependent conditional: 0, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 127, independent: 51, independent conditional: 17, independent unconditional: 34, dependent: 75, dependent conditional: 19, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 127, independent: 51, independent conditional: 17, independent unconditional: 34, dependent: 75, dependent conditional: 19, dependent unconditional: 56, unknown: 1, unknown conditional: 1, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1037, independent: 366, independent conditional: 141, independent unconditional: 225, dependent: 659, dependent conditional: 162, dependent unconditional: 498, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 7731, independent: 4062, independent conditional: 0, independent unconditional: 4062, dependent: 65, dependent conditional: 16, dependent unconditional: 49, unknown: 3604, unknown conditional: 37, unknown unconditional: 3567] , Statistics on independence cache: Total cache size (in pairs): 3604, Positive cache size: 3528, Positive conditional cache size: 17, Positive unconditional cache size: 3511, Negative cache size: 75, Negative conditional cache size: 19, Negative unconditional cache size: 56, Unknown cache size: 1, Unknown conditional cache size: 1, Unknown unconditional cache size: 0, Eliminated conditions: 3622, Maximal queried relation: 10, Independence queries for same thread: 4076 - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 199 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 125 locations, 178 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 866.5s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 12, EmptinessCheckTime: 33.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 419, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 369.1s SatisfiabilityAnalysisTime, 45.2s InterpolantComputationTime, 2708 NumberOfCodeBlocks, 2692 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 3827 ConstructedInterpolants, 426 QuantifiedInterpolants, 70353 SizeOfPredicates, 281 NumberOfNonLiveVariables, 6661 ConjunctsInSsa, 839 ConjunctsInUnsatCore, 37 InterpolantComputations, 4 PerfectInterpolantSequences, 2600/9743 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 1, ConditionCalculationTime [ms]: 0, ConditionCalculations: 299, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown