/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.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 11:58:45,379 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 11:58:45,427 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 11:58:45,431 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 11:58:45,431 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 11:58:45,444 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 11:58:45,445 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 11:58:45,445 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 11:58:45,445 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 11:58:45,445 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 11:58:45,445 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 11:58:45,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 11:58:45,445 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 11:58:45,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 11:58:45,446 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:58:45,446 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:58:45,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:58:45,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 11:58:45,447 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 11:58:45,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 11:58:45,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 11:58:45,682 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 11:58:45,682 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 11:58:45,683 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 11:58:45,684 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2025-04-14 11:58:46,930 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c9e1e68/9d6403d106f0491f851ec9b881871705/FLAGcfe252464 [2025-04-14 11:58:47,188 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 11:58:47,189 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2025-04-14 11:58:47,206 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c9e1e68/9d6403d106f0491f851ec9b881871705/FLAGcfe252464 [2025-04-14 11:58:47,930 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/94c9e1e68/9d6403d106f0491f851ec9b881871705 [2025-04-14 11:58:47,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 11:58:47,936 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 11:58:47,936 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 11:58:47,937 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 11:58:47,941 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 11:58:47,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:58:47" (1/1) ... [2025-04-14 11:58:47,942 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b6eed9c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:47, skipping insertion in model container [2025-04-14 11:58:47,942 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 11:58:47" (1/1) ... [2025-04-14 11:58:47,967 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 11:58:48,331 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_71-funloop_racing.i[41323,41336] [2025-04-14 11:58:48,358 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:58:48,409 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 11:58:48,459 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_71-funloop_racing.i[41323,41336] [2025-04-14 11:58:48,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 11:58:48,517 INFO L204 MainTranslator]: Completed translation [2025-04-14 11:58:48,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48 WrapperNode [2025-04-14 11:58:48,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 11:58:48,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 11:58:48,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 11:58:48,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 11:58:48,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,534 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,558 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 308 [2025-04-14 11:58:48,558 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 11:58:48,558 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 11:58:48,558 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 11:58:48,558 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 11:58:48,564 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,564 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,570 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,570 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,581 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,581 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,584 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,585 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,586 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,589 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 11:58:48,590 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 11:58:48,590 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 11:58:48,590 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 11:58:48,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (1/1) ... [2025-04-14 11:58:48,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 11:58:48,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:48,620 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 11:58:48,622 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 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-14 11:58:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 11:58:48,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 11:58:48,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 11:58:48,638 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 11:58:48,742 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 11:58:48,743 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 11:58:49,086 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 11:58:49,086 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 11:58:49,399 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 11:58:49,399 INFO L312 CfgBuilder]: Removed 15 assume(true) statements. [2025-04-14 11:58:49,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:58:49 BoogieIcfgContainer [2025-04-14 11:58:49,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 11:58:49,401 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 11:58:49,401 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 11:58:49,404 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 11:58:49,404 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 11:58:47" (1/3) ... [2025-04-14 11:58:49,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aab8936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:58:49, skipping insertion in model container [2025-04-14 11:58:49,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 11:58:48" (2/3) ... [2025-04-14 11:58:49,405 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aab8936 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 11:58:49, skipping insertion in model container [2025-04-14 11:58:49,405 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 11:58:49" (3/3) ... [2025-04-14 11:58:49,406 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2025-04-14 11:58:49,416 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 11:58:49,418 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 94 locations, 133 edges, 1 initial locations, 20 loop locations, and 3 error locations. [2025-04-14 11:58:49,418 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 11:58:49,458 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-14 11:58:49,488 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:58:49,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 11:58:49,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:49,491 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 11:58:49,492 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 11:58:49,554 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 11:58:49,565 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-14 11:58:49,570 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;@44d71f70, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 11:58:49,570 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 11:58:49,784 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:49,785 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:49,785 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #1 [2025-04-14 11:58:49,785 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:58:49,785 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:49,788 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:49,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1404513770, now seen corresponding path program 1 times [2025-04-14 11:58:49,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:49,793 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385123530] [2025-04-14 11:58:49,793 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:49,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:49,854 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 11:58:49,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 11:58:49,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:49,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:50,028 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 11:58:50,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:50,028 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385123530] [2025-04-14 11:58:50,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385123530] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:58:50,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:58:50,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 11:58:50,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034184910] [2025-04-14 11:58:50,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:58:50,036 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 11:58:50,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:50,051 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 11:58:50,051 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 11:58:50,051 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:50,052 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:50,053 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 11:58:50,053 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:50,117 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:50,118 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 11:58:50,118 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:50,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:50,118 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #2 [2025-04-14 11:58:50,118 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:50,118 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:50,119 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:50,119 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 11:58:50,119 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:50,119 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:50,119 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:50,119 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:50,119 INFO L85 PathProgramCache]: Analyzing trace with hash 547357968, now seen corresponding path program 1 times [2025-04-14 11:58:50,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:50,120 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928128253] [2025-04-14 11:58:50,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:50,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:50,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 11:58:50,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 11:58:50,147 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:50,147 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:50,204 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 11:58:50,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:50,205 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928128253] [2025-04-14 11:58:50,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [928128253] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:50,205 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [774774765] [2025-04-14 11:58:50,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:50,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:50,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:50,207 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 11:58:50,208 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 11:58:50,274 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 11:58:50,313 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 11:58:50,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:50,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:50,315 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-14 11:58:50,319 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:50,335 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 11:58:50,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:50,349 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 11:58:50,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [774774765] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:50,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:50,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-14 11:58:50,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422840310] [2025-04-14 11:58:50,350 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:50,351 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 11:58:50,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:50,351 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 11:58:50,351 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 11:58:50,351 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:50,352 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:50,352 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 11:58:50,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:50,352 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:50,416 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:50,417 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:50,423 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-04-14 11:58:50,621 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 11:58:50,621 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:50,621 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:50,621 INFO L139 ounterexampleChecker]: Examining path program with hash -411181153, occurence #3 [2025-04-14 11:58:50,621 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:50,621 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:50,621 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:50,621 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 11:58:50,622 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:50,622 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:50,622 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:50,622 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:50,622 INFO L85 PathProgramCache]: Analyzing trace with hash -1577402218, now seen corresponding path program 2 times [2025-04-14 11:58:50,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:50,622 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845648315] [2025-04-14 11:58:50,622 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:50,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:50,637 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-14 11:58:50,660 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-14 11:58:50,660 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 11:58:50,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:51,022 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 11:58:51,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:51,023 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845648315] [2025-04-14 11:58:51,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845648315] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 11:58:51,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 11:58:51,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 11:58:51,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377490828] [2025-04-14 11:58:51,023 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 11:58:51,023 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 11:58:51,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:51,024 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 11:58:51,024 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-14 11:58:51,024 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:51,024 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:51,024 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 11:58:51,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:51,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:51,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:51,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:51,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:51,204 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:51,205 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 11:58:51,205 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:51,205 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:51,205 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #1 [2025-04-14 11:58:51,205 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:58:51,205 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:51,205 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:51,205 INFO L85 PathProgramCache]: Analyzing trace with hash 303523954, now seen corresponding path program 1 times [2025-04-14 11:58:51,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:51,206 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796561763] [2025-04-14 11:58:51,206 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:51,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:51,224 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 11:58:51,248 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 11:58:51,248 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:51,248 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:51,351 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 11:58:51,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:51,351 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796561763] [2025-04-14 11:58:51,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796561763] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:51,351 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538186611] [2025-04-14 11:58:51,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:58:51,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:51,352 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:51,355 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 11:58:51,356 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 11:58:51,415 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-04-14 11:58:51,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-04-14 11:58:51,449 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:58:51,449 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:51,451 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-14 11:58:51,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:51,464 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 11:58:51,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:51,513 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 11:58:51,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538186611] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:51,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:51,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-14 11:58:51,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331763721] [2025-04-14 11:58:51,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:51,514 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 11:58:51,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:51,514 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 11:58:51,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-14 11:58:51,515 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:51,515 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:51,515 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 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 11:58:51,515 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:51,515 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:51,515 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:51,515 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:51,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:51,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:51,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:51,559 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:51,566 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 11:58:51,760 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 11:58:51,760 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:51,760 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:51,760 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #2 [2025-04-14 11:58:51,761 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:51,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:51,761 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:51,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:51,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:51,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:51,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:51,761 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:51,761 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:51,761 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:51,761 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:51,762 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:51,762 INFO L85 PathProgramCache]: Analyzing trace with hash 338744882, now seen corresponding path program 2 times [2025-04-14 11:58:51,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:51,762 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364267539] [2025-04-14 11:58:51,762 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:51,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:51,773 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-14 11:58:51,805 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 11:58:51,805 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:58:51,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:52,458 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 11:58:52,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:52,458 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364267539] [2025-04-14 11:58:52,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364267539] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:52,458 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1729042664] [2025-04-14 11:58:52,459 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:58:52,459 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:52,461 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 11:58:52,463 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 11:58:52,536 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 47 statements into 2 equivalence classes. [2025-04-14 11:58:52,577 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 47 of 47 statements. [2025-04-14 11:58:52,578 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:58:52,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:52,579 INFO L256 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-14 11:58:52,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:52,684 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:52,685 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 11:58:52,715 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 11:58:52,847 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 11:58:52,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:52,949 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 11:58:53,003 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:53,003 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 11:58:53,129 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 11:58:53,129 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:53,285 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_217 Int) (v_ArrVal_214 (Array Int 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_217))) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:58:53,383 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|) (+ 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:58:53,473 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 11:58:53,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1729042664] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:53,473 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:53,473 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 11] total 27 [2025-04-14 11:58:53,473 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145818669] [2025-04-14 11:58:53,473 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:53,474 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-14 11:58:53,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:53,474 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-14 11:58:53,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=533, Unknown=16, NotChecked=98, Total=756 [2025-04-14 11:58:53,475 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:53,475 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:53,475 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 27 states have internal predecessors, (106), 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 11:58:53,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:53,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:53,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:53,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:53,475 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:53,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:53,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:53,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:53,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:53,817 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:53,823 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-04-14 11:58:54,017 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 11:58:54,018 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:54,018 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:54,018 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #3 [2025-04-14 11:58:54,018 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:54,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:54,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:54,018 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:54,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:54,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,018 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:54,018 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:54,019 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:54,019 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:54,019 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:54,019 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:54,020 INFO L85 PathProgramCache]: Analyzing trace with hash -2035902450, now seen corresponding path program 3 times [2025-04-14 11:58:54,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:54,020 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [650070411] [2025-04-14 11:58:54,020 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:58:54,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:54,040 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-14 11:58:54,083 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-14 11:58:54,083 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 11:58:54,083 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:55,037 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:55,038 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:55,038 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [650070411] [2025-04-14 11:58:55,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [650070411] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:55,038 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732657386] [2025-04-14 11:58:55,038 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:58:55,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:55,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:55,040 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 11:58:55,041 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 11:58:55,103 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 67 statements into 6 equivalence classes. [2025-04-14 11:58:55,153 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 61 of 67 statements. [2025-04-14 11:58:55,153 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 11:58:55,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:55,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-14 11:58:55,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:55,246 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:55,246 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 11:58:55,272 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 11:58:55,379 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 11:58:55,464 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:55,464 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 11:58:55,514 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:55,515 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 11:58:55,695 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:55,696 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 11:58:55,743 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:58:55,744 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 11:58:55,867 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:55,867 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:58:56,979 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:58:56,987 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_344) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:58:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:57,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732657386] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:58:57,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:58:57,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 13] total 36 [2025-04-14 11:58:57,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170372479] [2025-04-14 11:58:57,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:58:57,067 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-04-14 11:58:57,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:58:57,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-04-14 11:58:57,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=1027, Unknown=29, NotChecked=134, Total=1332 [2025-04-14 11:58:57,068 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:57,068 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:58:57,068 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 4.45945945945946) internal successors, (165), 36 states have internal predecessors, (165), 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 11:58:57,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:57,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:57,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:57,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:57,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:57,068 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:58:57,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:58:57,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:58:57,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:58:57,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:57,646 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:58:57,649 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:58:57,657 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 11:58:57,850 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 11:58:57,850 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:58:57,850 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:58:57,850 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #4 [2025-04-14 11:58:57,850 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:58:57,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:58:57,850 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,850 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:58:57,851 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,851 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:58:57,851 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,852 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:58:57,852 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,852 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:58:57,852 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,852 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:58:57,852 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:58:57,852 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:58:57,852 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:58:57,852 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:58:57,852 INFO L85 PathProgramCache]: Analyzing trace with hash 1361368042, now seen corresponding path program 4 times [2025-04-14 11:58:57,852 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:58:57,852 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907642699] [2025-04-14 11:58:57,852 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:58:57,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:58:57,868 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-14 11:58:57,917 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-14 11:58:57,917 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:58:57,917 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:59,381 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:58:59,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:58:59,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907642699] [2025-04-14 11:58:59,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907642699] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:58:59,382 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198165456] [2025-04-14 11:58:59,382 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 11:58:59,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:58:59,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:58:59,384 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 11:58:59,386 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 11:58:59,463 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 87 statements into 2 equivalence classes. [2025-04-14 11:58:59,862 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 87 of 87 statements. [2025-04-14 11:58:59,862 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 11:58:59,862 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:58:59,865 INFO L256 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-14 11:58:59,870 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:58:59,966 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:58:59,966 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 11:58:59,994 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 16 treesize of output 11 [2025-04-14 11:59:00,118 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 11:59:00,199 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:00,200 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 11:59:00,239 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:00,240 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 11:59:00,401 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:00,402 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 11:59:00,437 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:00,438 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 11:59:00,579 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:00,580 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 11:59:00,619 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:00,619 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 11:59:00,722 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:00,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:59:01,938 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int) (v_ArrVal_510 (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_510) |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 11:59:02,097 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:02,098 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198165456] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:59:02,098 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:59:02,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 14, 15] total 43 [2025-04-14 11:59:02,098 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669427009] [2025-04-14 11:59:02,098 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:59:02,098 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2025-04-14 11:59:02,098 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:59:02,099 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2025-04-14 11:59:02,100 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=1604, Unknown=32, NotChecked=82, Total=1892 [2025-04-14 11:59:02,100 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:02,100 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:59:02,100 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 5.113636363636363) internal successors, (225), 43 states have internal predecessors, (225), 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 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:02,100 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:02,742 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:02,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:02,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:02,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:02,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:02,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:02,743 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:02,750 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 11:59:02,943 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 11:59:02,944 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:59:02,944 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:59:02,944 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #5 [2025-04-14 11:59:02,944 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:59:02,944 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,944 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:59:02,944 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:59:02,945 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:02,945 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:59:02,945 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:59:02,946 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:59:02,946 INFO L85 PathProgramCache]: Analyzing trace with hash 78285254, now seen corresponding path program 5 times [2025-04-14 11:59:02,946 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:59:02,946 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195469913] [2025-04-14 11:59:02,946 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 11:59:02,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:59:02,964 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-14 11:59:03,024 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-14 11:59:03,024 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 11:59:03,024 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:04,265 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:04,265 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:59:04,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195469913] [2025-04-14 11:59:04,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195469913] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:59:04,266 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561075950] [2025-04-14 11:59:04,266 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 11:59:04,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:59:04,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:59:04,267 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 11:59:04,268 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 11:59:04,347 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 107 statements into 6 equivalence classes. [2025-04-14 11:59:07,572 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 107 of 107 statements. [2025-04-14 11:59:07,572 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 11:59:07,572 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:07,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-14 11:59:07,584 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:59:07,659 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:59:07,660 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 11:59:07,685 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 11:59:07,787 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 11:59:07,858 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:07,859 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 11:59:07,907 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:07,908 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 11:59:08,068 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:08,069 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 11:59:08,111 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:08,112 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 11:59:08,260 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:08,260 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 11:59:08,302 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:08,302 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 11:59:08,424 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:08,424 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 11:59:08,462 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:08,463 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 11:59:08,581 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:08,581 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:59:09,098 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int)) (v_ArrVal_715 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712))) (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_715))) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:59:09,110 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (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_712) |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 11:59:09,160 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_712 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_712) |c_~#cache~0.base|) (+ 112 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:59:09,237 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:09,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561075950] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:59:09,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:59:09,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 17] total 47 [2025-04-14 11:59:09,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392237180] [2025-04-14 11:59:09,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:59:09,237 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2025-04-14 11:59:09,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:59:09,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2025-04-14 11:59:09,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=1811, Unknown=12, NotChecked=264, Total=2256 [2025-04-14 11:59:09,239 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:09,239 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:59:09,239 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 5.958333333333333) internal successors, (286), 47 states have internal predecessors, (286), 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 11:59:09,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:09,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:09,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:09,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:09,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:09,239 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:09,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:09,240 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:10,041 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:10,042 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:10,052 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 11:59:10,242 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 11:59:10,243 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:59:10,243 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:59:10,243 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #6 [2025-04-14 11:59:10,243 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:59:10,243 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:59:10,243 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:59:10,244 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:59:10,244 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,244 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,245 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:59:10,245 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,246 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:59:10,246 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:10,246 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:59:10,246 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:59:10,246 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:59:10,246 INFO L85 PathProgramCache]: Analyzing trace with hash -1128875614, now seen corresponding path program 6 times [2025-04-14 11:59:10,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:59:10,246 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684318240] [2025-04-14 11:59:10,246 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 11:59:10,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:59:10,261 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-14 11:59:10,310 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-14 11:59:10,310 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 11:59:10,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:12,137 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:12,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:59:12,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684318240] [2025-04-14 11:59:12,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684318240] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:59:12,137 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1147822330] [2025-04-14 11:59:12,138 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 11:59:12,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:59:12,138 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:59:12,139 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 11:59:12,140 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 11:59:12,220 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 127 statements into 6 equivalence classes. [2025-04-14 11:59:13,164 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 127 of 127 statements. [2025-04-14 11:59:13,164 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 11:59:13,168 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:13,173 INFO L256 TraceCheckSpWp]: Trace formula consists of 682 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-14 11:59:13,178 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:59:13,261 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:59:13,262 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 11:59:13,292 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 11:59:13,471 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 11:59:13,545 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:13,546 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 11:59:13,586 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:13,586 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 23 treesize of output 11 [2025-04-14 11:59:13,781 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:13,781 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 11:59:13,815 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:13,816 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 11:59:13,945 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:13,946 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 11:59:13,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:13,977 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 11:59:14,134 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:14,135 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 11:59:14,171 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:14,171 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 11:59:14,306 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:14,306 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 11:59:14,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:14,343 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 11:59:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:14,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:59:16,262 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_950 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_950) |c_~#cache~0.base|) (+ 140 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:59:16,386 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:16,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1147822330] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:59:16,386 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:59:16,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 18, 19] total 55 [2025-04-14 11:59:16,386 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848700573] [2025-04-14 11:59:16,386 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:59:16,387 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2025-04-14 11:59:16,387 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:59:16,387 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2025-04-14 11:59:16,388 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=220, Invalid=2708, Unknown=46, NotChecked=106, Total=3080 [2025-04-14 11:59:16,388 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:16,388 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:59:16,388 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 6.160714285714286) internal successors, (345), 55 states have internal predecessors, (345), 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 11:59:16,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:16,388 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:16,389 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:17,622 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:17,623 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:17,633 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 11:59:17,823 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 11:59:17,823 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:59:17,824 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:59:17,824 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #7 [2025-04-14 11:59:17,824 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:59:17,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:59:17,824 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:59:17,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:59:17,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:59:17,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:59:17,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:59:17,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:59:17,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:59:17,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:59:17,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:59:17,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:59:17,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,825 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:59:17,825 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:59:17,826 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,826 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:59:17,827 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:17,827 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:59:17,827 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:59:17,828 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:59:17,828 INFO L85 PathProgramCache]: Analyzing trace with hash -548904066, now seen corresponding path program 7 times [2025-04-14 11:59:17,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:59:17,828 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641815619] [2025-04-14 11:59:17,828 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 11:59:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:59:17,847 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-14 11:59:17,890 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-14 11:59:17,890 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:59:17,890 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:19,160 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:19,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:59:19,160 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641815619] [2025-04-14 11:59:19,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [641815619] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:59:19,160 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1937724947] [2025-04-14 11:59:19,160 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 11:59:19,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:59:19,160 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:59:19,163 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 11:59:19,163 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 11:59:19,260 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 147 statements into 1 equivalence classes. [2025-04-14 11:59:19,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 147 of 147 statements. [2025-04-14 11:59:19,314 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:59:19,314 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:19,317 INFO L256 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-14 11:59:19,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:59:19,394 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:59:19,394 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 11:59:19,423 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 11:59:19,531 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 11:59:19,600 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:19,601 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 11:59:19,642 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:19,642 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 11:59:19,782 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:19,783 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 11:59:19,818 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:19,818 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 11:59:19,955 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:19,956 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 11:59:19,993 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:19,994 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 11:59:20,121 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:20,121 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 11:59:20,155 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:20,155 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 11:59:20,297 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:20,298 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 11:59:20,342 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:20,343 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 11:59:20,485 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:20,486 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 11:59:20,525 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:20,526 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 11:59:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:20,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:59:25,600 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1224 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1224) |c_~#cache~0.base|) (+ 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:59:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 312 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:25,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1937724947] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:59:25,675 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:59:25,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 20] total 56 [2025-04-14 11:59:25,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966415647] [2025-04-14 11:59:25,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:59:25,676 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-04-14 11:59:25,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:59:25,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-04-14 11:59:25,678 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=2829, Unknown=31, NotChecked=108, Total=3192 [2025-04-14 11:59:25,678 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:25,678 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:59:25,678 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 7.105263157894737) internal successors, (405), 56 states have internal predecessors, (405), 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 11:59:25,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:25,678 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:25,679 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:26,895 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:26,903 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 11:59:27,096 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 11:59:27,096 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:59:27,096 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:59:27,096 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #8 [2025-04-14 11:59:27,096 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:59:27,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:59:27,096 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,096 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:59:27,097 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,097 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:59:27,097 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 11:59:27,098 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,098 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 11:59:27,099 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:27,099 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:59:27,099 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:59:27,099 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:59:27,099 INFO L85 PathProgramCache]: Analyzing trace with hash -589396134, now seen corresponding path program 8 times [2025-04-14 11:59:27,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:59:27,099 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131005800] [2025-04-14 11:59:27,099 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:59:27,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:59:27,116 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-14 11:59:27,137 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 11:59:27,137 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:59:27,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:59:28,804 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131005800] [2025-04-14 11:59:28,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131005800] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:59:28,804 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643495583] [2025-04-14 11:59:28,804 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:59:28,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:59:28,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:59:28,806 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 11:59:28,807 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 11:59:28,920 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 167 statements into 2 equivalence classes. [2025-04-14 11:59:28,985 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 11:59:28,985 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:59:28,985 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:28,988 INFO L256 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-14 11:59:28,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:59:29,063 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 11:59:29,063 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 11:59:29,088 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 11:59:29,187 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 11:59:29,256 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,256 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 11:59:29,292 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,293 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 11:59:29,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,444 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 11:59:29,484 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,485 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 11:59:29,622 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,623 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 11:59:29,662 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,662 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 11:59:29,803 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,804 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 11:59:29,843 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:29,844 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 11:59:30,033 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:30,034 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 11:59:30,072 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:30,072 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 11:59:30,240 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:30,240 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 11:59:30,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:30,299 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 11:59:30,459 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:30,459 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 11:59:30,512 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 11:59:30,513 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 11:59:30,643 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:30,643 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:59:31,763 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1534 (Array Int Int)) (v_ArrVal_1538 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1534))) (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_1538))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 11:59:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 0 proven. 434 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643495583] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:59:32,046 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:59:32,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 23] total 63 [2025-04-14 11:59:32,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464018683] [2025-04-14 11:59:32,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:59:32,047 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2025-04-14 11:59:32,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:59:32,047 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2025-04-14 11:59:32,048 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=3607, Unknown=44, NotChecked=122, Total=4032 [2025-04-14 11:59:32,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:32,048 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:59:32,049 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 7.265625) internal successors, (465), 63 states have internal predecessors, (465), 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 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:32,049 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:33,600 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 11:59:33,601 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 11:59:33,607 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 11:59:33,801 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 11:59:33,801 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:59:33,801 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:59:33,802 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #9 [2025-04-14 11:59:33,802 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 11:59:33,802 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 11:59:33,802 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,802 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,803 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 11:59:33,803 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 11:59:33,804 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:59:33,804 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:59:33,804 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:59:33,805 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:59:33,805 INFO L85 PathProgramCache]: Analyzing trace with hash -260561610, now seen corresponding path program 9 times [2025-04-14 11:59:33,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:59:33,805 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083286480] [2025-04-14 11:59:33,805 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:59:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:59:33,822 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-14 11:59:33,894 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-14 11:59:33,895 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 11:59:33,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:59:36,727 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 11:59:36,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:59:36,728 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083286480] [2025-04-14 11:59:36,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1083286480] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:59:36,728 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1404199575] [2025-04-14 11:59:36,728 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 11:59:36,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:59:36,728 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:59:36,730 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 11:59:36,731 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 11:59:36,853 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 187 statements into 9 equivalence classes. [2025-04-14 12:00:10,745 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 187 of 187 statements. [2025-04-14 12:00:10,745 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 12:00:10,745 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:00:10,767 INFO L256 TraceCheckSpWp]: Trace formula consists of 898 conjuncts, 132 conjuncts are in the unsatisfiable core [2025-04-14 12:00:10,775 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:00:10,898 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 12:00:10,898 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 12:00:10,934 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 16 [2025-04-14 12:00:11,097 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 16 [2025-04-14 12:00:11,214 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,215 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,215 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 12:00:11,269 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,270 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,271 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 12:00:11,510 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,511 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,512 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 12:00:11,564 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,565 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,566 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 12:00:11,772 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,773 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,774 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 12:00:11,832 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,833 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:11,834 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 12:00:12,070 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,071 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,074 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 12:00:12,128 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,129 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,129 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 12:00:12,340 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 26 treesize of output 21 [2025-04-14 12:00:12,434 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 12:00:12,660 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,664 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 12:00:12,723 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,724 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 12:00:12,933 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,934 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 12:00:12,976 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:12,977 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 12:00:13,160 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:13,161 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 12:00:13,211 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 12:00:13,212 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 12:00:13,384 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 12:00:13,384 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:00:15,290 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1884 Int) (v_ArrVal_1880 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1880))) (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_1884))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 12:00:15,774 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 0 proven. 576 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 12:00:15,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1404199575] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:00:15,774 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:00:15,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26, 24] total 73 [2025-04-14 12:00:15,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849023092] [2025-04-14 12:00:15,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:00:15,775 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2025-04-14 12:00:15,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:00:15,782 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2025-04-14 12:00:15,783 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=302, Invalid=4922, Unknown=36, NotChecked=142, Total=5402 [2025-04-14 12:00:15,784 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:00:15,784 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:00:15,784 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 7.094594594594595) internal successors, (525), 73 states have internal predecessors, (525), 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 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:00:15,784 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:00:18,937 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:00:18,956 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 12:00:19,138 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 12:00:19,138 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 12:00:19,138 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:00:19,138 INFO L139 ounterexampleChecker]: Examining path program with hash -835357110, occurence #10 [2025-04-14 12:00:19,138 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:00:19,138 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 12:00:19,139 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 54 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 68 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 73 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,139 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 75 [2025-04-14 12:00:19,139 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 77 [2025-04-14 12:00:19,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 12:00:19,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 12:00:19,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,141 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 94 [2025-04-14 12:00:19,141 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 113 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 115 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 117 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 133 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 135 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 137 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 153 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 12:00:19,142 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,142 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 177 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,144 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 193 [2025-04-14 12:00:19,144 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 194 [2025-04-14 12:00:19,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-14 12:00:19,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,145 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 197 [2025-04-14 12:00:19,145 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:00:19,145 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:00:19,145 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:00:19,145 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:00:19,145 INFO L85 PathProgramCache]: Analyzing trace with hash -543933166, now seen corresponding path program 10 times [2025-04-14 12:00:19,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:00:19,145 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378550669] [2025-04-14 12:00:19,145 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:00:19,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:00:19,175 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. [2025-04-14 12:00:19,476 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 207 of 207 statements. [2025-04-14 12:00:19,476 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:00:19,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:00:23,433 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 0 proven. 738 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 12:00:23,433 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:00:23,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378550669] [2025-04-14 12:00:23,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1378550669] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:00:23,433 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968423233] [2025-04-14 12:00:23,433 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:00:23,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:00:23,433 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:00:23,435 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 12:00:23,437 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 12:00:23,592 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 207 statements into 2 equivalence classes. Received shutdown request... [2025-04-14 12:13:19,023 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 12:13:19,026 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 12:13:19,051 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 12:13:20,041 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 0 [2025-04-14 12:13:20,057 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 12:13:20,224 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forcibly destroying the process [2025-04-14 12:13:20,314 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 137 [2025-04-14 12:13:20,314 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 12:13:20,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:13:20,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2025-04-14 12:13:20,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878711337] [2025-04-14 12:13:20,315 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 12:13:20,315 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2025-04-14 12:13:20,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:13:20,315 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2025-04-14 12:13:20,316 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=1042, Unknown=0, NotChecked=0, Total=1122 [2025-04-14 12:13:20,316 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:13:20,316 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:13:20,316 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 5.823529411764706) internal successors, (198), 33 states have internal predecessors, (198), 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 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:13:20,316 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:13:20,317 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-14 12:13:20,317 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 12:13:20,319 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 12:13:20,323 INFO L422 BasicCegarLoop]: Path program histogram: [10, 2, 1] [2025-04-14 12:13:20,324 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was TIMEOUT (1/2) [2025-04-14 12:13:20,325 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 12:13:20,325 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 12:13:20,327 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 12:13:20 BasicIcfg [2025-04-14 12:13:20,327 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 12:13:20,328 INFO L158 Benchmark]: Toolchain (without parser) took 872392.78ms. Allocated memory was 142.6MB in the beginning and 834.7MB in the end (delta: 692.1MB). Free memory was 99.3MB in the beginning and 493.5MB in the end (delta: -394.2MB). Peak memory consumption was 296.2MB. Max. memory is 8.0GB. [2025-04-14 12:13:20,328 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 12:13:20,328 INFO L158 Benchmark]: CACSL2BoogieTranslator took 581.54ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 64.6MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 12:13:20,328 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.50ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:13:20,328 INFO L158 Benchmark]: Boogie Preprocessor took 30.73ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 58.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 12:13:20,328 INFO L158 Benchmark]: RCFGBuilder took 810.08ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 68.2MB in the end (delta: -9.9MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. [2025-04-14 12:13:20,328 INFO L158 Benchmark]: TraceAbstraction took 870926.32ms. Allocated memory was 142.6MB in the beginning and 834.7MB in the end (delta: 692.1MB). Free memory was 68.2MB in the beginning and 493.5MB in the end (delta: -425.3MB). Peak memory consumption was 267.2MB. Max. memory is 8.0GB. [2025-04-14 12:13:20,329 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 167.8MB. Free memory is still 97.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 581.54ms. Allocated memory is still 142.6MB. Free memory was 99.3MB in the beginning and 64.6MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.50ms. Allocated memory is still 142.6MB. Free memory was 64.6MB in the beginning and 61.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.73ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 58.3MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 810.08ms. Allocated memory is still 142.6MB. Free memory was 58.3MB in the beginning and 68.2MB in the end (delta: -9.9MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB. * TraceAbstraction took 870926.32ms. Allocated memory was 142.6MB in the beginning and 834.7MB in the end (delta: 692.1MB). Free memory was 68.2MB in the beginning and 493.5MB in the end (delta: -425.3MB). Peak memory consumption was 267.2MB. 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: 1652, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 845, dependent conditional: 841, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 811, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 617, independent: 613, independent conditional: 0, independent unconditional: 613, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 617, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 811, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 617, unknown conditional: 0, unknown unconditional: 617] , Statistics on independence cache: Total cache size (in pairs): 617, Positive cache size: 613, Positive conditional cache size: 0, Positive unconditional cache size: 613, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186, Maximal queried relation: 0, Independence queries for same thread: 841, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 35, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625, independent: 621, independent conditional: 0, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1652, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 845, dependent conditional: 841, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 186, independent unconditional: 621, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 811, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 811, independent: 807, independent conditional: 0, independent unconditional: 807, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 617, independent: 613, independent conditional: 0, independent unconditional: 613, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 617, independent: 609, independent conditional: 0, independent unconditional: 609, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 161, independent: 80, independent conditional: 0, independent unconditional: 80, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 811, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 617, unknown conditional: 0, unknown unconditional: 617] , Statistics on independence cache: Total cache size (in pairs): 617, Positive cache size: 613, Positive conditional cache size: 0, Positive unconditional cache size: 613, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 186, Maximal queried relation: 0, Independence queries for same thread: 841 - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 126 locations, 179 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 870.8s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 10.1s, 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: 165, 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, 39.5s SatisfiabilityAnalysisTime, 41.0s InterpolantComputationTime, 2235 NumberOfCodeBlocks, 2219 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 3197 ConstructedInterpolants, 576 QuantifiedInterpolants, 58227 SizeOfPredicates, 232 NumberOfNonLiveVariables, 5737 ConjunctsInSsa, 681 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 1391/7418 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: 236, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown