/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline_IcfgBuilder.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf --preprocessor.replace.while.statements.and.if-then-else.statements false -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 15:17:12,272 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 15:17:12,326 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf [2025-04-14 15:17:12,331 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 15:17:12,331 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 15:17:12,351 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 15:17:12,352 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 15:17:12,352 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 15:17:12,352 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 15:17:12,352 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 15:17:12,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 15:17:12,354 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 15:17:12,354 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 15:17:12,354 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 15:17:12,355 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 15:17:12,356 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 15:17:12,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 15:17:12,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 15:17:12,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 15:17:12,357 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Replace while statements and if-then-else statements -> false [2025-04-14 15:17:12,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 15:17:12,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 15:17:12,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 15:17:12,557 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 15:17:12,557 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 15:17:12,558 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2025-04-14 15:17:13,877 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab91d37f7/312adf644f3a42d9aea0c13af826e758/FLAG5e8f13950 [2025-04-14 15:17:14,139 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 15:17:14,140 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_71-funloop_racing.i [2025-04-14 15:17:14,158 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab91d37f7/312adf644f3a42d9aea0c13af826e758/FLAG5e8f13950 [2025-04-14 15:17:15,978 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ab91d37f7/312adf644f3a42d9aea0c13af826e758 [2025-04-14 15:17:15,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 15:17:15,981 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 15:17:15,982 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 15:17:15,982 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 15:17:15,985 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 15:17:15,985 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 03:17:15" (1/1) ... [2025-04-14 15:17:15,986 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a1940d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:15, skipping insertion in model container [2025-04-14 15:17:15,986 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 03:17:15" (1/1) ... [2025-04-14 15:17:16,020 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 15:17:16,321 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 15:17:16,347 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 15:17:16,378 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 15:17:16,427 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 15:17:16,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 15:17:16,491 INFO L204 MainTranslator]: Completed translation [2025-04-14 15:17:16,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16 WrapperNode [2025-04-14 15:17:16,492 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 15:17:16,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 15:17:16,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 15:17:16,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 15:17:16,496 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,513 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,536 INFO L138 Inliner]: procedures = 272, calls = 107, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 308 [2025-04-14 15:17:16,536 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 15:17:16,536 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 15:17:16,536 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 15:17:16,536 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 15:17:16,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,546 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,546 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,555 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,559 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,562 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 15:17:16,566 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-04-14 15:17:16,567 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-04-14 15:17:16,567 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-04-14 15:17:16,568 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (1/1) ... [2025-04-14 15:17:16,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 15:17:16,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:16,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-04-14 15:17:16,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-04-14 15:17:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2025-04-14 15:17:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2025-04-14 15:17:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 15:17:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 15:17:16,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 15:17:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 15:17:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 15:17:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2025-04-14 15:17:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2025-04-14 15:17:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 15:17:16,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 15:17:16,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 15:17:16,617 WARN L225 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 15:17:16,729 INFO L256 CfgBuilder]: Building ICFG [2025-04-14 15:17:16,730 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 15:17:16,973 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L954: havoc main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset; [2025-04-14 15:17:16,974 INFO L1323 $ProcedureCfgBuilder]: dead code at ProgramPoint L954-1: SUMMARY for call ULTIMATE.dealloc(main_~#t_ids~0#1.base, main_~#t_ids~0#1.offset); srcloc: null [2025-04-14 15:17:17,036 INFO L303 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 15:17:17,036 INFO L307 CfgBuilder]: Performing block encoding [2025-04-14 15:17:17,299 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 15:17:17,299 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 15:17:17,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 03:17:17 BoogieIcfgContainer [2025-04-14 15:17:17,299 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-04-14 15:17:17,301 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 15:17:17,302 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 15:17:17,305 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 15:17:17,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 03:17:15" (1/3) ... [2025-04-14 15:17:17,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dba299d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 03:17:17, skipping insertion in model container [2025-04-14 15:17:17,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 03:17:16" (2/3) ... [2025-04-14 15:17:17,306 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dba299d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 03:17:17, skipping insertion in model container [2025-04-14 15:17:17,306 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 14.04 03:17:17" (3/3) ... [2025-04-14 15:17:17,307 INFO L128 eAbstractionObserver]: Analyzing ICFG 28-race_reach_71-funloop_racing.i [2025-04-14 15:17:17,316 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 15:17:17,318 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_71-funloop_racing.i that has 2 procedures, 91 locations, 130 edges, 1 initial locations, 17 loop locations, and 3 error locations. [2025-04-14 15:17:17,319 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 15:17:17,360 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2025-04-14 15:17:17,390 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 15:17:17,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 15:17:17,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:17,392 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2025-04-14 15:17:17,394 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2025-04-14 15:17:17,454 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 15:17:17,465 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2025-04-14 15:17:17,469 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;@1e904801, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 15:17:17,469 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 15:17:17,682 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:17,682 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:17,682 INFO L139 ounterexampleChecker]: Examining path program with hash 1259101308, occurence #1 [2025-04-14 15:17:17,682 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 15:17:17,682 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:17,686 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:17,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1754578118, now seen corresponding path program 1 times [2025-04-14 15:17:17,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:17,692 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566071455] [2025-04-14 15:17:17,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:17:17,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:17,753 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 17 statements into 1 equivalence classes. [2025-04-14 15:17:17,772 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 17 of 17 statements. [2025-04-14 15:17:17,772 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:17,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:17:17,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:17,907 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566071455] [2025-04-14 15:17:17,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566071455] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 15:17:17,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 15:17:17,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 15:17:17,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041187122] [2025-04-14 15:17:17,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 15:17:17,911 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 15:17:17,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:17,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 15:17:17,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 15:17:17,923 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:17,924 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:17,925 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:17,925 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:17,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:17,989 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 15:17:17,989 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:17,989 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:17,989 INFO L139 ounterexampleChecker]: Examining path program with hash 1259101308, occurence #2 [2025-04-14 15:17:17,989 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:17,989 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:17,990 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:17,990 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 15:17:17,990 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:17,990 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:17,990 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:17,991 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:17,991 INFO L85 PathProgramCache]: Analyzing trace with hash 1784937618, now seen corresponding path program 1 times [2025-04-14 15:17:17,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:17,991 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442808331] [2025-04-14 15:17:17,991 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:17:17,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:18,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 15:17:18,020 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 15:17:18,020 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:18,020 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:18,111 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:17:18,111 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:18,111 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442808331] [2025-04-14 15:17:18,111 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442808331] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:18,111 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1130270635] [2025-04-14 15:17:18,111 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:17:18,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:18,112 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:18,114 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:18,114 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-04-14 15:17:18,175 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-04-14 15:17:18,214 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-04-14 15:17:18,214 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:18,214 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:18,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-04-14 15:17:18,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:18,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:17:18,230 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:18,248 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 15:17:18,248 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1130270635] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:18,248 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:18,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-04-14 15:17:18,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927849373] [2025-04-14 15:17:18,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:18,249 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-04-14 15:17:18,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:18,249 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-04-14 15:17:18,249 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-04-14 15:17:18,249 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:18,250 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:18,250 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:18,250 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:18,250 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:18,318 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:18,319 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:18,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-04-14 15:17:18,519 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2025-04-14 15:17:18,519 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:18,519 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:18,520 INFO L139 ounterexampleChecker]: Examining path program with hash 1259101308, occurence #3 [2025-04-14 15:17:18,520 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:18,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:18,520 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:18,520 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 15:17:18,520 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:18,520 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:18,520 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:18,521 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:18,521 INFO L85 PathProgramCache]: Analyzing trace with hash 38555590, now seen corresponding path program 2 times [2025-04-14 15:17:18,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:18,521 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669922980] [2025-04-14 15:17:18,521 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:17:18,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:18,534 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 21 statements into 2 equivalence classes. [2025-04-14 15:17:18,554 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 17 of 21 statements. [2025-04-14 15:17:18,555 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 15:17:18,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2025-04-14 15:17:18,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:18,927 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669922980] [2025-04-14 15:17:18,927 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669922980] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 15:17:18,927 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 15:17:18,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-04-14 15:17:18,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796598575] [2025-04-14 15:17:18,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 15:17:18,927 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-04-14 15:17:18,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:18,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-04-14 15:17:18,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-04-14 15:17:18,928 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:18,928 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:18,928 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.25) internal successors, (18), 7 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:18,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:18,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:18,928 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:19,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:19,086 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:19,087 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:19,087 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 15:17:19,087 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:19,087 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:19,087 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #1 [2025-04-14 15:17:19,087 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 15:17:19,087 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:19,088 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:19,088 INFO L85 PathProgramCache]: Analyzing trace with hash 172703135, now seen corresponding path program 1 times [2025-04-14 15:17:19,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:19,088 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [231244134] [2025-04-14 15:17:19,088 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:17:19,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:19,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 15:17:19,113 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 15:17:19,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:19,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:19,201 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 15:17:19,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:19,202 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [231244134] [2025-04-14 15:17:19,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [231244134] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:19,202 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259042594] [2025-04-14 15:17:19,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 15:17:19,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:19,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:19,204 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:19,205 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-04-14 15:17:19,271 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 15:17:19,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 15:17:19,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:19,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:19,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-04-14 15:17:19,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:19,332 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 15:17:19,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:19,384 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 15:17:19,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259042594] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:19,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:19,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2025-04-14 15:17:19,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732406470] [2025-04-14 15:17:19,384 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:19,385 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 15:17:19,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:19,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 15:17:19,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2025-04-14 15:17:19,386 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:19,386 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:19,386 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.3076923076923075) internal successors, (43), 12 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:19,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:19,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:19,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:19,386 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:19,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:19,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:19,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:19,431 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:19,437 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 15:17:19,632 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:19,632 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:19,632 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:19,632 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #2 [2025-04-14 15:17:19,632 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:19,632 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:19,632 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:19,633 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:19,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:19,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:19,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:19,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:19,633 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:19,633 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:19,633 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:19,633 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:19,633 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:19,634 INFO L85 PathProgramCache]: Analyzing trace with hash -567910113, now seen corresponding path program 2 times [2025-04-14 15:17:19,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:19,634 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656696142] [2025-04-14 15:17:19,634 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:17:19,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:19,646 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-04-14 15:17:19,674 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 15:17:19,675 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:17:19,675 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:20,412 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:20,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:20,412 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656696142] [2025-04-14 15:17:20,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656696142] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:20,412 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1623016957] [2025-04-14 15:17:20,412 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:17:20,412 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:20,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:20,414 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:20,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-04-14 15:17:20,473 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 46 statements into 2 equivalence classes. [2025-04-14 15:17:20,514 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 46 of 46 statements. [2025-04-14 15:17:20,514 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:17:20,514 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:20,516 INFO L256 TraceCheckSpWp]: Trace formula consists of 393 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-14 15:17:20,518 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:20,613 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:20,613 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:20,638 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:20,755 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:20,826 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:20,827 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:20,872 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:20,872 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:21,014 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:21,219 WARN L849 $PredicateComparison]: unable to prove that (forall ((|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25| Int) (v_ArrVal_214 (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_214) |c_~#cache~0.base|) (+ .cse0 28 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_25|)))) is different from false [2025-04-14 15:17:21,223 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_214 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_214) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 28 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:21,344 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:21,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1623016957] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:21,344 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:21,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 27 [2025-04-14 15:17:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985811113] [2025-04-14 15:17:21,344 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:21,344 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2025-04-14 15:17:21,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:21,345 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2025-04-14 15:17:21,349 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=530, Unknown=16, NotChecked=98, Total=756 [2025-04-14 15:17:21,349 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:21,349 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:21,349 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.607142857142857) internal successors, (101), 27 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:21,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:21,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:21,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:21,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:21,349 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:21,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:21,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:21,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:21,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:21,618 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:21,624 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 15:17:21,822 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:21,823 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:21,823 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:21,823 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #3 [2025-04-14 15:17:21,823 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:21,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:21,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:21,823 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:21,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:21,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:21,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:21,823 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,823 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:17:21,824 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:21,824 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:21,824 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:21,824 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:21,824 INFO L85 PathProgramCache]: Analyzing trace with hash 582030246, now seen corresponding path program 3 times [2025-04-14 15:17:21,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:21,824 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367029976] [2025-04-14 15:17:21,824 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:17:21,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:21,845 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 6 equivalence classes. [2025-04-14 15:17:21,878 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 59 of 65 statements. [2025-04-14 15:17:21,878 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 15:17:21,878 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:22,798 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:22,798 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367029976] [2025-04-14 15:17:22,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367029976] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:22,799 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [126589665] [2025-04-14 15:17:22,799 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:17:22,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:22,799 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:22,802 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:22,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-04-14 15:17:22,864 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 65 statements into 6 equivalence classes. [2025-04-14 15:17:22,911 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 59 of 65 statements. [2025-04-14 15:17:22,911 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-04-14 15:17:22,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:22,913 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 54 conjuncts are in the unsatisfiable core [2025-04-14 15:17:22,918 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:23,012 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:23,012 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:23,041 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:23,133 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:23,209 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:23,210 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:23,250 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:23,251 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:23,406 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:23,407 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:23,457 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:23,457 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:23,554 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:23,554 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:23,857 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_344 Int) (v_ArrVal_343 (Array Int Int))) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ v_ArrVal_344 (- 1))))) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:23,927 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_343 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343) |c_~#cache~0.base|) (+ 56 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:23,930 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_343 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_343) |c_~#cache~0.base|) (+ 56 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:24,021 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:24,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [126589665] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:24,022 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:24,022 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12, 15] total 38 [2025-04-14 15:17:24,022 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075911562] [2025-04-14 15:17:24,022 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:24,022 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-14 15:17:24,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:24,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-14 15:17:24,023 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=1101, Unknown=16, NotChecked=210, Total=1482 [2025-04-14 15:17:24,023 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:24,024 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:24,024 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.076923076923077) internal successors, (159), 38 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:24,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:24,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:24,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:24,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:24,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:24,024 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:24,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:24,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:24,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:24,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:24,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:24,573 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:24,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-04-14 15:17:24,774 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:24,774 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:24,774 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:24,774 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #4 [2025-04-14 15:17:24,774 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:24,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:24,774 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,774 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:24,775 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:17:24,775 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,775 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:17:24,776 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,776 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:17:24,776 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:24,776 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:24,776 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:24,776 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:24,776 INFO L85 PathProgramCache]: Analyzing trace with hash -1689440833, now seen corresponding path program 4 times [2025-04-14 15:17:24,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:24,776 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682164926] [2025-04-14 15:17:24,776 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:17:24,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:24,799 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 15:17:24,835 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 15:17:24,836 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:17:24,836 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:25,927 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:25,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:25,928 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682164926] [2025-04-14 15:17:25,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682164926] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:25,928 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967758182] [2025-04-14 15:17:25,928 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:17:25,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:25,928 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:25,930 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:25,931 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-04-14 15:17:26,001 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 84 statements into 2 equivalence classes. [2025-04-14 15:17:26,111 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 84 of 84 statements. [2025-04-14 15:17:26,112 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:17:26,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:26,114 INFO L256 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 66 conjuncts are in the unsatisfiable core [2025-04-14 15:17:26,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:26,207 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:26,208 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:26,226 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:26,325 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:26,382 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:26,383 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:26,421 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:26,423 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:26,541 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:26,541 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:26,576 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:26,577 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:26,685 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:26,686 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:26,718 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:26,719 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:26,805 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:26,805 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:27,277 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507) |c_~#cache~0.base|) (+ 84 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_39|)))) is different from false [2025-04-14 15:17:27,280 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_507 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_507) |c_~#cache~0.base|) (+ 84 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:27,379 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:27,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967758182] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:27,380 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:27,380 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 18] total 44 [2025-04-14 15:17:27,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1110097752] [2025-04-14 15:17:27,380 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:27,380 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2025-04-14 15:17:27,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:27,381 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2025-04-14 15:17:27,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1599, Unknown=31, NotChecked=166, Total=1980 [2025-04-14 15:17:27,382 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:27,382 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:27,382 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 4.8) internal successors, (216), 44 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:27,382 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:28,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:28,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:28,004 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:28,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:28,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:28,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:28,005 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:28,012 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-04-14 15:17:28,209 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:28,209 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:28,209 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:28,209 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #5 [2025-04-14 15:17:28,209 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:28,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:28,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:28,209 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:28,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:28,209 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,209 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:17:28,210 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,210 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:17:28,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:17:28,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,211 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:17:28,211 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:28,211 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:28,211 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:28,211 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:28,211 INFO L85 PathProgramCache]: Analyzing trace with hash -742079738, now seen corresponding path program 5 times [2025-04-14 15:17:28,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:28,211 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427684085] [2025-04-14 15:17:28,211 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 15:17:28,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:28,225 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 103 statements into 6 equivalence classes. [2025-04-14 15:17:28,317 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 103 of 103 statements. [2025-04-14 15:17:28,317 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 15:17:28,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:29,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:29,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427684085] [2025-04-14 15:17:29,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427684085] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:29,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1725061261] [2025-04-14 15:17:29,362 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 15:17:29,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:29,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:29,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:29,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-04-14 15:17:29,442 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 103 statements into 6 equivalence classes. [2025-04-14 15:17:34,048 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) and asserted 103 of 103 statements. [2025-04-14 15:17:34,048 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2025-04-14 15:17:34,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:34,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 606 conjuncts, 75 conjuncts are in the unsatisfiable core [2025-04-14 15:17:34,060 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:34,122 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:34,123 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:34,141 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:34,224 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:34,294 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,294 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:34,335 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,336 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:34,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,464 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 15:17:34,498 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,501 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:34,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,620 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:34,659 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,659 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:34,791 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,791 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:34,827 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:34,828 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:34,930 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:34,930 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:35,593 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706) |c_~#cache~0.base|) (+ 112 .cse0 |c_~#cache~0.offset|)) 0) (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_49|)))) is different from false [2025-04-14 15:17:35,596 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_706 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_706) |c_~#cache~0.base|) (+ 112 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:35,722 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 0 proven. 122 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:35,722 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1725061261] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:35,722 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:35,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 21] total 51 [2025-04-14 15:17:35,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173732424] [2025-04-14 15:17:35,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:35,723 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2025-04-14 15:17:35,723 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:35,723 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2025-04-14 15:17:35,724 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=2223, Unknown=42, NotChecked=194, Total=2652 [2025-04-14 15:17:35,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:35,724 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:35,725 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.269230769230769) internal successors, (274), 51 states have internal predecessors, (274), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:35,725 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:36,569 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:36,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-04-14 15:17:36,770 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:36,770 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:36,770 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:36,770 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #6 [2025-04-14 15:17:36,770 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:36,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:36,770 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,770 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:36,771 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,771 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:17:36,771 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:17:36,772 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:36,772 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:36,772 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:36,772 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:36,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1315601825, now seen corresponding path program 6 times [2025-04-14 15:17:36,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:36,773 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285550280] [2025-04-14 15:17:36,773 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 15:17:36,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:36,787 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 122 statements into 6 equivalence classes. [2025-04-14 15:17:36,836 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 122 of 122 statements. [2025-04-14 15:17:36,837 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 15:17:36,837 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:38,394 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:38,394 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:38,394 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285550280] [2025-04-14 15:17:38,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285550280] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:38,394 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [378152543] [2025-04-14 15:17:38,394 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 15:17:38,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:38,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:38,396 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:38,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 15:17:38,481 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 122 statements into 6 equivalence classes. [2025-04-14 15:17:40,723 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) and asserted 122 of 122 statements. [2025-04-14 15:17:40,723 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2025-04-14 15:17:40,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:40,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 90 conjuncts are in the unsatisfiable core [2025-04-14 15:17:40,733 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:40,800 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:40,800 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:40,822 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:40,905 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:40,963 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:40,964 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:41,020 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,021 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:41,157 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,157 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:41,188 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,189 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:41,304 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,305 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:41,336 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,337 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:41,463 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,463 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 15:17:41,505 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,506 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:41,640 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,640 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:41,669 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:41,670 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:41,778 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:43,774 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:43,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [378152543] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:43,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:43,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 18, 24] total 62 [2025-04-14 15:17:43,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379419382] [2025-04-14 15:17:43,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:43,775 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-14 15:17:43,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:43,776 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-14 15:17:43,777 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=3583, Unknown=50, NotChecked=0, Total=3906 [2025-04-14 15:17:43,777 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:43,777 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:43,778 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 5.238095238095238) internal successors, (330), 62 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:43,778 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:45,045 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:45,048 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:17:45,058 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 15:17:45,249 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2025-04-14 15:17:45,249 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:45,249 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:45,249 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #7 [2025-04-14 15:17:45,249 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:45,250 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:17:45,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:17:45,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:45,251 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:45,251 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:45,252 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:45,252 INFO L85 PathProgramCache]: Analyzing trace with hash 670689894, now seen corresponding path program 7 times [2025-04-14 15:17:45,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:45,252 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677761858] [2025-04-14 15:17:45,252 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 15:17:45,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:45,268 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 15:17:45,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 15:17:45,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:45,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:46,596 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:46,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:46,596 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677761858] [2025-04-14 15:17:46,596 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677761858] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:46,596 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1585866194] [2025-04-14 15:17:46,596 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 15:17:46,596 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:46,596 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:46,598 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:46,598 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 15:17:46,693 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 141 statements into 1 equivalence classes. [2025-04-14 15:17:46,746 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 141 of 141 statements. [2025-04-14 15:17:46,746 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 15:17:46,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:46,748 INFO L256 TraceCheckSpWp]: Trace formula consists of 748 conjuncts, 102 conjuncts are in the unsatisfiable core [2025-04-14 15:17:46,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:46,811 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:46,812 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:46,840 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:46,928 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:46,979 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:46,980 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:47,012 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,013 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:47,141 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,142 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:47,182 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,183 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:47,298 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,299 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 15:17:47,329 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,330 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:47,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,443 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:47,477 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,478 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:47,620 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,621 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:47,665 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,666 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:47,805 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,805 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:47,851 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:47,852 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:47,977 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:53,316 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1209 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1209) |c_~#cache~0.base|) (+ (* |c_t_funThread1of1ForFork0_~i~0#1| 28) 168 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 297 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:53,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1585866194] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:53,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:53,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20, 27] total 62 [2025-04-14 15:17:53,455 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158293558] [2025-04-14 15:17:53,455 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:53,455 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2025-04-14 15:17:53,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:53,456 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2025-04-14 15:17:53,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=3478, Unknown=50, NotChecked=120, Total=3906 [2025-04-14 15:17:53,457 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:53,457 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:53,457 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.111111111111111) internal successors, (385), 62 states have internal predecessors, (385), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:53,458 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:53,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:53,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:17:53,459 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:54,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:54,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:54,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:54,710 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:54,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:54,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:54,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:54,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:54,711 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:17:54,712 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:17:54,718 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 15:17:54,912 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-04-14 15:17:54,912 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:17:54,912 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:17:54,913 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #8 [2025-04-14 15:17:54,913 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:17:54,913 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,913 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:17:54,913 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:17:54,914 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:17:54,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:17:54,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:17:54,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:17:54,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:17:54,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,915 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:17:54,915 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:17:54,915 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:17:54,915 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:17:54,915 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:17:54,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1013358849, now seen corresponding path program 8 times [2025-04-14 15:17:54,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:17:54,915 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [163178216] [2025-04-14 15:17:54,915 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:17:54,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:17:54,933 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 160 statements into 2 equivalence classes. [2025-04-14 15:17:54,973 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 160 of 160 statements. [2025-04-14 15:17:54,973 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:17:54,973 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:56,724 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:56,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:17:56,724 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [163178216] [2025-04-14 15:17:56,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [163178216] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:17:56,724 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820798588] [2025-04-14 15:17:56,724 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 15:17:56,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:17:56,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:17:56,726 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:17:56,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 15:17:56,831 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 160 statements into 2 equivalence classes. [2025-04-14 15:17:56,903 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 160 of 160 statements. [2025-04-14 15:17:56,903 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 15:17:56,903 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:17:56,906 INFO L256 TraceCheckSpWp]: Trace formula consists of 819 conjuncts, 114 conjuncts are in the unsatisfiable core [2025-04-14 15:17:56,911 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:17:56,980 INFO L325 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2025-04-14 15:17:56,980 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2025-04-14 15:17:57,008 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:57,105 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2025-04-14 15:17:57,168 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,168 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:57,206 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,206 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:57,352 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,353 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:57,389 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,390 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:57,517 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,519 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:57,562 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,562 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:57,719 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,720 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:57,753 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,754 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:57,885 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,885 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:57,922 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:57,923 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:58,049 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:58,049 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:58,086 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:58,087 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:58,243 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:58,243 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:17:58,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:17:58,279 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:17:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:58,399 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:17:59,738 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int)) (v_ArrVal_1515 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) v_ArrVal_1515)))) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:59,752 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int)) (|v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91| Int)) (let ((.cse0 (* |c_t_funThread1of1ForFork0_~i~0#1| 28))) (or (< (+ .cse0 |c_~#cache~0.offset|) |v_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset_91|) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 .cse0 |c_~#cache~0.offset|)) 0)))) is different from false [2025-04-14 15:17:59,756 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1513 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1513) |c_~#cache~0.base|) (+ 196 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:17:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 0 proven. 413 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:17:59,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820798588] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:17:59,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:17:59,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22, 30] total 69 [2025-04-14 15:17:59,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770111695] [2025-04-14 15:17:59,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:17:59,902 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-14 15:17:59,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:17:59,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-14 15:17:59,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=4136, Unknown=17, NotChecked=396, Total=4830 [2025-04-14 15:17:59,904 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:17:59,904 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:17:59,904 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.314285714285714) internal successors, (442), 69 states have internal predecessors, (442), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:17:59,904 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:18:01,494 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:18:01,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 15:18:01,695 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2025-04-14 15:18:01,695 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:18:01,695 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:18:01,695 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #9 [2025-04-14 15:18:01,695 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:18:01,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:18:01,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:18:01,695 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:18:01,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:18:01,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:18:01,695 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,695 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,696 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:18:01,696 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 15:18:01,697 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:01,697 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:18:01,697 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:18:01,698 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:18:01,698 INFO L85 PathProgramCache]: Analyzing trace with hash 846629318, now seen corresponding path program 9 times [2025-04-14 15:18:01,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:18:01,698 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897851930] [2025-04-14 15:18:01,698 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:18:01,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:18:01,716 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 9 equivalence classes. [2025-04-14 15:18:01,816 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 179 of 179 statements. [2025-04-14 15:18:01,816 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 15:18:01,816 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:18:04,334 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:18:04,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:18:04,334 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897851930] [2025-04-14 15:18:04,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897851930] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:18:04,334 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116604648] [2025-04-14 15:18:04,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 15:18:04,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:18:04,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:18:04,336 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:18:04,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 15:18:04,456 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 179 statements into 9 equivalence classes. [2025-04-14 15:18:15,873 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) and asserted 179 of 179 statements. [2025-04-14 15:18:15,874 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2025-04-14 15:18:15,874 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:18:15,887 INFO L256 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 138 conjuncts are in the unsatisfiable core [2025-04-14 15:18:15,892 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 15:18:16,100 INFO L325 Elim1Store]: treesize reduction 12, result has 52.0 percent of original size [2025-04-14 15:18:16,100 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 25 [2025-04-14 15:18:16,188 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-04-14 15:18:16,381 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2025-04-14 15:18:16,460 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,461 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,461 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:18:16,506 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,507 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,507 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:18:16,726 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,727 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,727 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:18:16,768 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,769 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,769 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:18:16,948 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,949 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,951 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:18:16,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:16,999 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,000 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:18:17,164 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,165 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,165 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:18:17,212 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,213 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,214 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:18:17,443 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,444 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,444 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 21 [2025-04-14 15:18:17,490 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,491 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,492 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2025-04-14 15:18:17,665 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 15:18:17,765 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 15:18:17,947 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:17,956 INFO L325 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2025-04-14 15:18:17,956 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 25 [2025-04-14 15:18:18,050 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:18,064 INFO L325 Elim1Store]: treesize reduction 14, result has 58.8 percent of original size [2025-04-14 15:18:18,064 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 46 [2025-04-14 15:18:18,278 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:18,279 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 11 [2025-04-14 15:18:18,318 INFO L189 IndexEqualityManager]: detected not equals via solver [2025-04-14 15:18:18,319 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 20 [2025-04-14 15:18:18,481 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:18:18,481 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 15:18:20,350 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int)) (v_ArrVal_1854 Int)) (= (select (select (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852))) (store .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base| (store (select .cse0 |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.base|) |c_t_funThread1of1ForFork0_cache_entry_addref_~entry#1.offset| (+ (- 1) v_ArrVal_1854)))) |c_~#cache~0.base|) (+ 224 (* |c_t_funThread1of1ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:18:20,565 WARN L849 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1852 (Array Int Int))) (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t_ids~0#1.base| v_ArrVal_1852) |c_~#cache~0.base|) (+ 224 |c_~#cache~0.offset|)) 0)) is different from false [2025-04-14 15:18:20,690 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 0 proven. 548 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:18:20,690 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116604648] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 15:18:20,691 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 15:18:20,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 31] total 83 [2025-04-14 15:18:20,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802477977] [2025-04-14 15:18:20,691 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 15:18:20,691 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2025-04-14 15:18:20,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:18:20,692 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2025-04-14 15:18:20,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=360, Invalid=6271, Unknown=19, NotChecked=322, Total=6972 [2025-04-14 15:18:20,693 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:18:20,693 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:18:20,694 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.964285714285714) internal successors, (501), 83 states have internal predecessors, (501), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:18:20,694 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:18:23,334 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 15:18:23,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-04-14 15:18:23,535 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2025-04-14 15:18:23,535 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 15:18:23,535 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 15:18:23,535 INFO L139 ounterexampleChecker]: Examining path program with hash -494652640, occurence #10 [2025-04-14 15:18:23,535 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 15:18:23,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 0 [2025-04-14 15:18:23,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 15:18:23,535 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 15:18:23,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 15:18:23,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,535 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 15:18:23,535 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 52 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 53 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 55 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 65 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 70 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 71 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 72 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 74 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 103 [2025-04-14 15:18:23,536 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,536 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 109 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 110 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 112 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 122 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 127 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 128 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 129 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 131 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 141 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 146 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 165 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 169 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,537 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 179 [2025-04-14 15:18:23,537 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 184 [2025-04-14 15:18:23,538 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 185 [2025-04-14 15:18:23,538 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 15:18:23,538 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,538 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-14 15:18:23,538 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 15:18:23,538 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 15:18:23,538 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 15:18:23,538 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 15:18:23,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1334656097, now seen corresponding path program 10 times [2025-04-14 15:18:23,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 15:18:23,538 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179777475] [2025-04-14 15:18:23,538 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:18:23,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 15:18:23,559 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 198 statements into 2 equivalence classes. [2025-04-14 15:18:23,673 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-04-14 15:18:23,674 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 15:18:23,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 15:18:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 757 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2025-04-14 15:18:28,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 15:18:28,549 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179777475] [2025-04-14 15:18:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179777475] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 15:18:28,549 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040275617] [2025-04-14 15:18:28,549 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 15:18:28,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 15:18:28,549 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 15:18:28,551 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 15:18:28,552 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 15:18:28,686 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 198 statements into 2 equivalence classes. Received shutdown request... [2025-04-14 15:31:46,326 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 15:31:46,337 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 15:31:46,343 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 15:31:47,343 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 [2025-04-14 15:31:47,349 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 15:31:47,538 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 15:31:47,625 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 15:31:47,626 WARN L301 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-04-14 15:31:47,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-04-14 15:31:47,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2025-04-14 15:31:47,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446730300] [2025-04-14 15:31:47,626 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-04-14 15:31:47,627 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2025-04-14 15:31:47,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 15:31:47,627 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2025-04-14 15:31:47,628 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=1365, Unknown=0, NotChecked=0, Total=1482 [2025-04-14 15:31:47,628 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:31:47,628 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 15:31:47,628 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 4.846153846153846) internal successors, (189), 38 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 15:31:47,628 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 15:31:47,632 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-04-14 15:31:47,632 WARN L610 AbstractCegarLoop]: Verification canceled: while executing Executor. [2025-04-14 15:31:47,634 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 15:31:47,639 INFO L422 BasicCegarLoop]: Path program histogram: [10, 2, 1] [2025-04-14 15:31:47,640 INFO L320 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was TIMEOUT (1/2) [2025-04-14 15:31:47,642 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 15:31:47,643 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 15:31:47,647 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 03:31:47 BasicIcfg [2025-04-14 15:31:47,647 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 15:31:47,648 INFO L158 Benchmark]: Toolchain (without parser) took 871667.18ms. Allocated memory was 142.6MB in the beginning and 658.5MB in the end (delta: 515.9MB). Free memory was 99.1MB in the beginning and 253.0MB in the end (delta: -153.9MB). Peak memory consumption was 361.6MB. Max. memory is 8.0GB. [2025-04-14 15:31:47,648 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 15:31:47,648 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.92ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 64.4MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. [2025-04-14 15:31:47,651 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.44ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 61.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 15:31:47,652 INFO L158 Benchmark]: Boogie Preprocessor took 25.56ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 59.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 15:31:47,652 INFO L158 Benchmark]: IcfgBuilder took 732.74ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 93.2MB in the end (delta: -34.6MB). Peak memory consumption was 41.3MB. Max. memory is 8.0GB. [2025-04-14 15:31:47,652 INFO L158 Benchmark]: TraceAbstraction took 870346.28ms. Allocated memory was 142.6MB in the beginning and 658.5MB in the end (delta: 515.9MB). Free memory was 92.2MB in the beginning and 253.0MB in the end (delta: -160.7MB). Peak memory consumption was 356.2MB. Max. memory is 8.0GB. [2025-04-14 15:31:47,653 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 167.8MB. Free memory is still 95.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 509.92ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 64.4MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.44ms. Allocated memory is still 142.6MB. Free memory was 64.4MB in the beginning and 61.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.56ms. Allocated memory is still 142.6MB. Free memory was 61.1MB in the beginning and 59.5MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 8.0GB. * IcfgBuilder took 732.74ms. Allocated memory is still 142.6MB. Free memory was 58.6MB in the beginning and 93.2MB in the end (delta: -34.6MB). Peak memory consumption was 41.3MB. Max. memory is 8.0GB. * TraceAbstraction took 870346.28ms. Allocated memory was 142.6MB in the beginning and 658.5MB in the end (delta: 515.9MB). Free memory was 92.2MB in the beginning and 253.0MB in the end (delta: -160.7MB). Peak memory consumption was 356.2MB. 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: 1658, independent: 792, independent conditional: 186, independent unconditional: 606, dependent: 866, dependent conditional: 862, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 796, independent: 792, independent conditional: 186, independent unconditional: 606, 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: 796, independent: 792, independent conditional: 186, independent unconditional: 606, 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: 796, independent: 792, independent conditional: 186, independent unconditional: 606, 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: 796, independent: 792, independent conditional: 0, independent unconditional: 792, 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: 796, independent: 792, independent conditional: 0, independent unconditional: 792, 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: 602, independent: 598, independent conditional: 0, independent unconditional: 598, 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: 602, independent: 594, independent conditional: 0, independent unconditional: 594, 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: 166, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 796, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 602, unknown conditional: 0, unknown unconditional: 602] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 598, Positive conditional cache size: 0, Positive unconditional cache size: 598, 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: 862, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 36, Number of trivial persistent sets: 34, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 610, independent: 606, independent conditional: 0, independent unconditional: 606, 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: 1658, independent: 792, independent conditional: 186, independent unconditional: 606, dependent: 866, dependent conditional: 862, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 796, independent: 792, independent conditional: 186, independent unconditional: 606, 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: 796, independent: 792, independent conditional: 186, independent unconditional: 606, 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: 796, independent: 792, independent conditional: 186, independent unconditional: 606, 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: 796, independent: 792, independent conditional: 0, independent unconditional: 792, 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: 796, independent: 792, independent conditional: 0, independent unconditional: 792, 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: 602, independent: 598, independent conditional: 0, independent unconditional: 598, 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: 602, independent: 594, independent conditional: 0, independent unconditional: 594, 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: 166, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 89, dependent conditional: 0, dependent unconditional: 89, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 796, independent: 194, independent conditional: 0, independent unconditional: 194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 602, unknown conditional: 0, unknown unconditional: 602] , Statistics on independence cache: Total cache size (in pairs): 602, Positive cache size: 598, Positive conditional cache size: 0, Positive unconditional cache size: 598, 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: 862 - 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, 122 locations, 175 edges, 5 error locations. Started 1 CEGAR loops. OverallTime: 870.2s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 10, EmptinessCheckTime: 9.6s, 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: 167, 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: 0.2s SsaConstructionTime, 19.3s SatisfiabilityAnalysisTime, 39.0s InterpolantComputationTime, 2152 NumberOfCodeBlocks, 2136 NumberOfCodeBlocksAsserted, 70 NumberOfCheckSat, 3077 ConstructedInterpolants, 354 QuantifiedInterpolants, 59372 SizeOfPredicates, 233 NumberOfNonLiveVariables, 5700 ConjunctsInSsa, 687 ConjunctsInUnsatCore, 33 InterpolantComputations, 2 PerfectInterpolantSequences, 1391/7130 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