/root/.sdkman/candidates/java/21.0.5-tem/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata ./data -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../benchexec/../../../trunk/examples/settings/default/gemcutter/svcomp-Reach-32bit-GemCutter_Default.epf -i ../../../trunk/examples/svcomp/pthread/stack_longest-2.i -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 10:50:13,849 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 10:50:13,903 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 10:50:13,905 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 10:50:13,906 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 10:50:13,926 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 10:50:13,926 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 10:50:13,927 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 10:50:13,927 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 10:50:13,927 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 10:50:13,927 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 10:50:13,928 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:50:13,928 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 10:50:13,928 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:50:13,929 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 10:50:13,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 10:50:14,135 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 10:50:14,140 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 10:50:14,143 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 10:50:14,144 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 10:50:14,144 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 10:50:14,145 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stack_longest-2.i [2025-04-14 10:50:15,430 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e80f5d5/3bef560bcf054e5d95893a7550f26b60/FLAGb5d799f72 [2025-04-14 10:50:15,657 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 10:50:15,657 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i [2025-04-14 10:50:15,672 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e80f5d5/3bef560bcf054e5d95893a7550f26b60/FLAGb5d799f72 [2025-04-14 10:50:16,632 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/09e80f5d5/3bef560bcf054e5d95893a7550f26b60 [2025-04-14 10:50:16,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 10:50:16,635 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 10:50:16,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 10:50:16,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 10:50:16,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 10:50:16,639 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:50:16" (1/1) ... [2025-04-14 10:50:16,640 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a6a72d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:16, skipping insertion in model container [2025-04-14 10:50:16,640 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 10:50:16" (1/1) ... [2025-04-14 10:50:16,674 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 10:50:17,029 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2025-04-14 10:50:17,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 10:50:17,110 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 10:50:17,173 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stack_longest-2.i[41530,41543] [2025-04-14 10:50:17,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 10:50:17,263 INFO L204 MainTranslator]: Completed translation [2025-04-14 10:50:17,264 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17 WrapperNode [2025-04-14 10:50:17,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 10:50:17,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 10:50:17,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 10:50:17,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 10:50:17,269 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,290 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,339 INFO L138 Inliner]: procedures = 277, calls = 830, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 939 [2025-04-14 10:50:17,339 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 10:50:17,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 10:50:17,341 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 10:50:17,341 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 10:50:17,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,363 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,363 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,407 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,418 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,421 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,439 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 10:50:17,444 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 10:50:17,444 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 10:50:17,444 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 10:50:17,445 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (1/1) ... [2025-04-14 10:50:17,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 10:50:17,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:50:17,472 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 10:50:17,475 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 10:50:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2025-04-14 10:50:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2025-04-14 10:50:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2025-04-14 10:50:17,492 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2025-04-14 10:50:17,492 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2025-04-14 10:50:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 10:50:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 10:50:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2025-04-14 10:50:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 10:50:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 10:50:17,494 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 10:50:17,494 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 10:50:17,495 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2025-04-14 10:50:17,608 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 10:50:17,609 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 10:50:18,524 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 10:50:18,525 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 10:50:27,833 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 10:50:27,833 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2025-04-14 10:50:27,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:50:27 BoogieIcfgContainer [2025-04-14 10:50:27,834 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 10:50:27,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 10:50:27,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 10:50:27,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 10:50:27,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 10:50:16" (1/3) ... [2025-04-14 10:50:27,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2fbd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:50:27, skipping insertion in model container [2025-04-14 10:50:27,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 10:50:17" (2/3) ... [2025-04-14 10:50:27,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a2fbd59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 10:50:27, skipping insertion in model container [2025-04-14 10:50:27,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 10:50:27" (3/3) ... [2025-04-14 10:50:27,845 INFO L128 eAbstractionObserver]: Analyzing ICFG stack_longest-2.i [2025-04-14 10:50:27,857 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 10:50:27,859 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG stack_longest-2.i that has 3 procedures, 30 locations, 32 edges, 1 initial locations, 2 loop locations, and 2 error locations. [2025-04-14 10:50:27,859 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 10:50:27,930 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2025-04-14 10:50:27,960 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:50:27,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 10:50:27,960 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:50:27,964 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 10:50:27,966 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 10:50:28,031 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 10:50:28,047 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t1Thread1of1ForFork1 ======== [2025-04-14 10:50:28,052 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;@7aa497a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 10:50:28,052 INFO L341 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2025-04-14 10:50:28,263 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:28,264 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:28,264 INFO L139 ounterexampleChecker]: Examining path program with hash 1039645209, occurence #1 [2025-04-14 10:50:28,264 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:50:28,264 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:28,267 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:28,268 INFO L85 PathProgramCache]: Analyzing trace with hash 1339098493, now seen corresponding path program 1 times [2025-04-14 10:50:28,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:28,274 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354899036] [2025-04-14 10:50:28,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:28,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:28,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-04-14 10:50:28,541 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-04-14 10:50:28,542 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:28,542 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:28,999 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 10:50:29,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:29,000 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354899036] [2025-04-14 10:50:29,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354899036] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:50:29,000 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:50:29,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:50:29,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897783220] [2025-04-14 10:50:29,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:50:29,005 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:50:29,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:29,019 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:50:29,019 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:50:29,019 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:29,020 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:29,021 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.0) internal successors, (12), 3 states have internal predecessors, (12), 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 10:50:29,021 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:29,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:29,364 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 10:50:29,364 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:29,364 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:29,365 INFO L139 ounterexampleChecker]: Examining path program with hash 1898228608, occurence #1 [2025-04-14 10:50:29,365 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:50:29,365 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:29,365 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:29,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1021591154, now seen corresponding path program 1 times [2025-04-14 10:50:29,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:29,365 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282389528] [2025-04-14 10:50:29,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:29,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:29,396 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-14 10:50:29,437 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-14 10:50:29,437 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:29,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:29,974 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:50:29,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:29,974 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282389528] [2025-04-14 10:50:29,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282389528] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:50:29,975 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:50:29,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 10:50:29,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052472418] [2025-04-14 10:50:29,975 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:50:29,975 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:50:29,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:29,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:50:29,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:50:29,976 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:29,976 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:29,976 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 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 10:50:29,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:29,976 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:30,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,118 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,118 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 10:50:30,118 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:30,118 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:30,118 INFO L139 ounterexampleChecker]: Examining path program with hash -1036638729, occurence #1 [2025-04-14 10:50:30,118 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:50:30,119 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:30,119 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:30,119 INFO L85 PathProgramCache]: Analyzing trace with hash -2097442841, now seen corresponding path program 2 times [2025-04-14 10:50:30,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:30,119 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550776090] [2025-04-14 10:50:30,119 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:50:30,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:30,151 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 36 statements into 2 equivalence classes. [2025-04-14 10:50:30,188 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 10:50:30,188 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:50:30,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:30,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 10:50:30,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:30,521 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550776090] [2025-04-14 10:50:30,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550776090] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:50:30,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:50:30,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:50:30,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917677542] [2025-04-14 10:50:30,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:50:30,522 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:50:30,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:30,522 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:50:30,523 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 10:50:30,523 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:30,523 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:30,523 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 10:50:30,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,523 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:30,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,597 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,598 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,599 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 10:50:30,599 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:30,599 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:30,599 INFO L139 ounterexampleChecker]: Examining path program with hash 861917664, occurence #1 [2025-04-14 10:50:30,599 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:50:30,599 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:30,599 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:30,599 INFO L85 PathProgramCache]: Analyzing trace with hash -614432975, now seen corresponding path program 1 times [2025-04-14 10:50:30,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:30,599 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840191399] [2025-04-14 10:50:30,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:30,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:30,621 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 24 statements into 1 equivalence classes. [2025-04-14 10:50:30,638 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 24 of 24 statements. [2025-04-14 10:50:30,639 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:30,639 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:30,859 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 10:50:30,859 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:30,860 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840191399] [2025-04-14 10:50:30,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840191399] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 10:50:30,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 10:50:30,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 10:50:30,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517806777] [2025-04-14 10:50:30,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:50:30,860 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 10:50:30,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:30,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 10:50:30,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 10:50:30,861 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:30,861 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:30,861 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 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 10:50:30,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,861 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:30,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:30,920 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:30,920 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 10:50:30,920 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:30,920 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:30,921 INFO L139 ounterexampleChecker]: Examining path program with hash 808838771, occurence #1 [2025-04-14 10:50:30,921 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:50:30,921 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:30,921 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:30,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1190916995, now seen corresponding path program 1 times [2025-04-14 10:50:30,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:30,921 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745310658] [2025-04-14 10:50:30,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:30,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:30,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 10:50:30,963 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 10:50:30,963 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:30,963 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:31,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:50:31,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:31,333 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745310658] [2025-04-14 10:50:31,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745310658] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:50:31,333 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846211335] [2025-04-14 10:50:31,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:31,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:31,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:50:31,335 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 10:50:31,337 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 10:50:31,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-04-14 10:50:31,614 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-04-14 10:50:31,614 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:31,614 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:31,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 1767 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 10:50:31,628 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:50:31,675 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:50:31,838 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:50:31,883 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-04-14 10:50:31,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846211335] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:50:31,884 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:50:31,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-04-14 10:50:31,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813680855] [2025-04-14 10:50:31,884 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:50:31,884 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-04-14 10:50:31,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:31,885 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-04-14 10:50:31,886 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-04-14 10:50:31,886 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:31,886 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:31,886 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.9) internal successors, (69), 10 states have internal predecessors, (69), 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 10:50:31,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:31,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:31,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:31,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:31,886 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:32,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:32,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:32,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:32,128 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:32,129 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:50:32,138 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 10:50:32,330 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:32,330 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:32,330 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:32,331 INFO L139 ounterexampleChecker]: Examining path program with hash 614001133, occurence #1 [2025-04-14 10:50:32,331 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:50:32,331 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:32,331 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:32,331 INFO L85 PathProgramCache]: Analyzing trace with hash 1293300218, now seen corresponding path program 1 times [2025-04-14 10:50:32,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:32,331 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [315484142] [2025-04-14 10:50:32,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:32,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:32,360 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-14 10:50:32,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-14 10:50:32,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:32,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:32,861 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-04-14 10:50:32,862 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:32,862 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [315484142] [2025-04-14 10:50:32,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [315484142] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:50:32,862 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1516162047] [2025-04-14 10:50:32,862 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 10:50:32,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:32,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:50:32,865 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 10:50:32,865 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 10:50:32,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 78 statements into 1 equivalence classes. [2025-04-14 10:50:33,135 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 78 of 78 statements. [2025-04-14 10:50:33,136 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 10:50:33,136 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:33,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 1984 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 10:50:33,149 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:50:33,169 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:33,206 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:33,246 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:33,281 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-04-14 10:50:33,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:50:33,453 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 5 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-04-14 10:50:33,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1516162047] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:50:33,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:50:33,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 14 [2025-04-14 10:50:33,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243416230] [2025-04-14 10:50:33,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:50:33,454 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-04-14 10:50:33,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:33,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-04-14 10:50:33,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=111, Unknown=0, NotChecked=0, Total=182 [2025-04-14 10:50:33,455 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:33,455 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:33,455 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 6.285714285714286) internal successors, (88), 14 states have internal predecessors, (88), 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 10:50:33,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:33,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:33,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:33,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:33,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:50:33,455 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:33,837 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:50:33,838 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 10:50:33,846 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-04-14 10:50:34,038 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:34,038 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:34,038 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:34,039 INFO L139 ounterexampleChecker]: Examining path program with hash 614001133, occurence #2 [2025-04-14 10:50:34,039 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:50:34,039 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 10:50:34,048 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:50:34,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:50:34,048 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:50:34,048 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 10:50:34,048 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,049 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 61 [2025-04-14 10:50:34,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 84 [2025-04-14 10:50:34,068 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,068 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 114 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 120 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 126 [2025-04-14 10:50:34,069 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:34,069 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:50:34,069 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:34,069 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:34,069 INFO L85 PathProgramCache]: Analyzing trace with hash -908159529, now seen corresponding path program 2 times [2025-04-14 10:50:34,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:34,070 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674929399] [2025-04-14 10:50:34,070 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:50:34,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:34,111 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-04-14 10:50:34,193 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-04-14 10:50:34,193 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:50:34,193 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:35,470 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 9 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2025-04-14 10:50:35,470 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:35,470 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674929399] [2025-04-14 10:50:35,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674929399] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:50:35,473 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757561173] [2025-04-14 10:50:35,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 10:50:35,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:35,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:50:35,477 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 10:50:35,478 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 10:50:35,595 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 132 statements into 2 equivalence classes. [2025-04-14 10:50:35,814 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 132 of 132 statements. [2025-04-14 10:50:35,814 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 10:50:35,814 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:35,823 INFO L256 TraceCheckSpWp]: Trace formula consists of 2211 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-04-14 10:50:35,836 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:50:35,855 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:35,899 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:35,964 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,007 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,043 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,079 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,126 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,178 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,231 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,290 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:50:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 66 proven. 195 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2025-04-14 10:50:36,332 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:50:36,760 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 9 proven. 192 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2025-04-14 10:50:36,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757561173] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 10:50:36,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 10:50:36,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 14] total 36 [2025-04-14 10:50:36,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306002912] [2025-04-14 10:50:36,761 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 10:50:36,761 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2025-04-14 10:50:36,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:50:36,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2025-04-14 10:50:36,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=424, Invalid=836, Unknown=0, NotChecked=0, Total=1260 [2025-04-14 10:50:36,763 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:36,763 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:50:36,763 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 5.583333333333333) internal successors, (201), 36 states have internal predecessors, (201), 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 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 10:50:36,763 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:50:38,432 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:38,433 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:38,433 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:50:38,433 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:50:38,433 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:50:38,433 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2025-04-14 10:50:38,433 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2025-04-14 10:50:38,442 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 10:50:38,633 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:38,634 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:50:38,634 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:50:38,634 INFO L139 ounterexampleChecker]: Examining path program with hash 614001133, occurence #3 [2025-04-14 10:50:38,634 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 10:50:38,634 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 10:50:38,634 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:50:38,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 10:50:38,635 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 10:50:38,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 10:50:38,635 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,635 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 10:50:38,646 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 174 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 192 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,647 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-14 10:50:38,647 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 210 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 216 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 222 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 228 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 234 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 240 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 246 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 252 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 258 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,648 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 270 [2025-04-14 10:50:38,648 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 10:50:38,649 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 10:50:38,649 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:50:38,649 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:50:38,649 INFO L85 PathProgramCache]: Analyzing trace with hash 1457666450, now seen corresponding path program 3 times [2025-04-14 10:50:38,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:50:38,649 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377137417] [2025-04-14 10:50:38,650 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:50:38,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:50:38,718 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 276 statements into 19 equivalence classes. [2025-04-14 10:50:39,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 240 of 276 statements. [2025-04-14 10:50:39,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-04-14 10:50:39,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:50:42,504 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 548 proven. 129 refuted. 0 times theorem prover too weak. 1123 trivial. 0 not checked. [2025-04-14 10:50:42,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:50:42,504 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377137417] [2025-04-14 10:50:42,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377137417] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:50:42,504 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848754349] [2025-04-14 10:50:42,504 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 10:50:42,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:50:42,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:50:42,507 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 10:50:42,508 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 10:50:42,685 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 276 statements into 19 equivalence classes. [2025-04-14 10:51:04,586 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) and asserted 240 of 276 statements. [2025-04-14 10:51:04,586 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2025-04-14 10:51:04,586 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:51:04,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 2641 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-04-14 10:51:04,612 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:51:04,667 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:51:04,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 230 proven. 7 refuted. 0 times theorem prover too weak. 1563 trivial. 0 not checked. [2025-04-14 10:51:04,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:51:04,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1800 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 1563 trivial. 0 not checked. [2025-04-14 10:51:04,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [848754349] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-14 10:51:04,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-14 10:51:04,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15, 5] total 19 [2025-04-14 10:51:04,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018799848] [2025-04-14 10:51:04,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:51:04,840 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 10:51:04,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:51:04,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 10:51:04,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=224, Unknown=0, NotChecked=0, Total=342 [2025-04-14 10:51:04,840 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:51:04,840 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:51:04,841 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2025-04-14 10:51:04,841 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:51:05,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:05,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:05,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:05,132 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:51:05,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:51:05,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 10:51:05,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-14 10:51:05,133 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:05,152 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 10:51:05,334 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:51:05,334 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:51:05,334 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:51:05,335 INFO L139 ounterexampleChecker]: Examining path program with hash -1522771593, occurence #1 [2025-04-14 10:51:05,335 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:51:05,335 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:51:05,335 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:51:05,335 INFO L85 PathProgramCache]: Analyzing trace with hash -1157890609, now seen corresponding path program 4 times [2025-04-14 10:51:05,335 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:51:05,335 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890408717] [2025-04-14 10:51:05,336 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 10:51:05,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:51:05,414 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 332 statements into 2 equivalence classes. [2025-04-14 10:51:05,713 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 332 of 332 statements. [2025-04-14 10:51:05,713 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 10:51:05,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:51:15,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 329 proven. 1041 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2025-04-14 10:51:15,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:51:15,489 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890408717] [2025-04-14 10:51:15,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [890408717] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:51:15,489 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1533564320] [2025-04-14 10:51:15,490 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 10:51:15,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:51:15,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:51:15,493 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 10:51:15,495 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 10:51:15,732 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 332 statements into 2 equivalence classes. [2025-04-14 10:51:16,127 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 332 of 332 statements. [2025-04-14 10:51:16,127 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 10:51:16,127 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:51:16,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 3044 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 10:51:16,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 10:51:16,171 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:51:16,246 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:51:16,297 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 10:51:16,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 248 proven. 8 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2025-04-14 10:51:16,340 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 10:51:16,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1612 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 1356 trivial. 0 not checked. [2025-04-14 10:51:16,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1533564320] provided 1 perfect and 1 imperfect interpolant sequences [2025-04-14 10:51:16,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2025-04-14 10:51:16,462 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [30, 7] total 40 [2025-04-14 10:51:16,462 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887283548] [2025-04-14 10:51:16,462 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 10:51:16,462 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 10:51:16,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 10:51:16,463 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 10:51:16,464 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=531, Invalid=1029, Unknown=0, NotChecked=0, Total=1560 [2025-04-14 10:51:16,464 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:51:16,464 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 10:51:16,464 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.833333333333334) internal successors, (59), 6 states have internal predecessors, (59), 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 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,464 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-14 10:51:16,698 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 10:51:16,699 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 10:51:16,712 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 10:51:16,899 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:51:16,899 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 10:51:16,900 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 10:51:16,900 INFO L139 ounterexampleChecker]: Examining path program with hash 1163740303, occurence #1 [2025-04-14 10:51:16,900 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 10:51:16,902 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 10:51:16,902 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 10:51:16,902 INFO L85 PathProgramCache]: Analyzing trace with hash 753436892, now seen corresponding path program 5 times [2025-04-14 10:51:16,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 10:51:16,902 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948331610] [2025-04-14 10:51:16,902 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 10:51:16,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 10:51:17,004 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 273 statements into 19 equivalence classes. [2025-04-14 10:51:17,746 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 273 of 273 statements. [2025-04-14 10:51:17,746 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-14 10:51:17,746 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 10:51:23,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 152 proven. 202 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2025-04-14 10:51:23,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 10:51:23,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948331610] [2025-04-14 10:51:23,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948331610] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 10:51:23,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180216949] [2025-04-14 10:51:23,422 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 10:51:23,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 10:51:23,423 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 10:51:23,428 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 10:51:23,434 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 10:51:23,707 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 273 statements into 19 equivalence classes. [2025-04-14 11:03:31,795 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) and asserted 273 of 273 statements. [2025-04-14 11:03:31,795 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2025-04-14 11:03:31,795 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:03:31,903 INFO L256 TraceCheckSpWp]: Trace formula consists of 2811 conjuncts, 68 conjuncts are in the unsatisfiable core [2025-04-14 11:03:31,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:03:31,942 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:31,977 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,029 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,092 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,135 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,187 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,228 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,293 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,356 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,419 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,464 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,510 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,578 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,661 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,737 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,806 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,897 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:32,970 INFO L354 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2025-04-14 11:03:33,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 14 proven. 975 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2025-04-14 11:03:33,073 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:03:34,457 INFO L134 CoverageAnalysis]: Checked inductivity of 1395 backedges. 14 proven. 972 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2025-04-14 11:03:34,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180216949] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:03:34,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:03:34,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 36, 36] total 90 [2025-04-14 11:03:34,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526851150] [2025-04-14 11:03:34,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:03:34,458 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2025-04-14 11:03:34,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:03:34,460 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2025-04-14 11:03:34,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1529, Invalid=6481, Unknown=0, NotChecked=0, Total=8010 [2025-04-14 11:03:34,462 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:03:34,462 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:03:34,463 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 3.988888888888889) internal successors, (359), 90 states have internal predecessors, (359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:03:34,463 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:03:40,400 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2025-04-14 11:03:40,477 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-04-14 11:03:40,601 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:03:40,601 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:03:40,601 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:03:40,602 INFO L139 ounterexampleChecker]: Examining path program with hash 213383143, occurence #1 [2025-04-14 11:03:40,602 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:03:40,602 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:03:40,602 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:03:40,602 INFO L85 PathProgramCache]: Analyzing trace with hash -697932066, now seen corresponding path program 1 times [2025-04-14 11:03:40,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:03:40,602 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384780712] [2025-04-14 11:03:40,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:03:40,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:03:40,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 399 statements into 1 equivalence classes. [2025-04-14 11:03:40,728 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 399 of 399 statements. [2025-04-14 11:03:40,728 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:03:40,728 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:03:41,831 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 1509 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2025-04-14 11:03:41,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:03:41,831 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384780712] [2025-04-14 11:03:41,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384780712] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:03:41,832 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [585841022] [2025-04-14 11:03:41,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:03:41,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:03:41,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:03:41,834 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:03:41,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-04-14 11:03:42,120 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 399 statements into 1 equivalence classes. [2025-04-14 11:03:42,365 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 399 of 399 statements. [2025-04-14 11:03:42,366 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:03:42,366 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:03:42,377 INFO L256 TraceCheckSpWp]: Trace formula consists of 3319 conjuncts, 23 conjuncts are in the unsatisfiable core [2025-04-14 11:03:42,383 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:03:42,584 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 1509 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2025-04-14 11:03:42,585 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:03:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2398 backedges. 0 proven. 1509 refuted. 0 times theorem prover too weak. 889 trivial. 0 not checked. [2025-04-14 11:03:43,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [585841022] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:03:43,225 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:03:43,225 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2025-04-14 11:03:43,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814219489] [2025-04-14 11:03:43,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:03:43,226 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2025-04-14 11:03:43,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:03:43,227 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2025-04-14 11:03:43,228 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2025-04-14 11:03:43,228 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:03:43,228 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:03:43,228 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 11.702127659574469) internal successors, (550), 47 states have internal predecessors, (550), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 11:03:43,228 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-14 11:03:43,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:43,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:03:43,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2025-04-14 11:03:43,229 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:03:45,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:45,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:45,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:45,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:03:45,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 11:03:45,593 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 11:03:45,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-14 11:03:45,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:45,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:03:45,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2025-04-14 11:03:45,594 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 11:03:45,608 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-04-14 11:03:45,794 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,SelfDestructingSolverStorable10 [2025-04-14 11:03:45,795 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:03:45,795 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:03:45,796 INFO L139 ounterexampleChecker]: Examining path program with hash -640704925, occurence #1 [2025-04-14 11:03:45,796 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 11:03:45,796 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:03:45,796 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:03:45,796 INFO L85 PathProgramCache]: Analyzing trace with hash 1146818576, now seen corresponding path program 1 times [2025-04-14 11:03:45,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:03:45,797 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970858570] [2025-04-14 11:03:45,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:03:45,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:03:45,950 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-04-14 11:03:46,070 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-04-14 11:03:46,070 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:03:46,070 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:03:50,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16750 backedges. 0 proven. 12606 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-04-14 11:03:50,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:03:50,570 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970858570] [2025-04-14 11:03:50,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970858570] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:03:50,570 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722911875] [2025-04-14 11:03:50,570 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 11:03:50,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:03:50,570 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:03:50,572 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:03:50,573 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-04-14 11:03:51,127 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 813 statements into 1 equivalence classes. [2025-04-14 11:03:51,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 813 of 813 statements. [2025-04-14 11:03:51,634 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 11:03:51,634 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:03:51,664 INFO L256 TraceCheckSpWp]: Trace formula consists of 5034 conjuncts, 46 conjuncts are in the unsatisfiable core [2025-04-14 11:03:51,682 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:03:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 16750 backedges. 0 proven. 12606 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-04-14 11:03:52,121 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 11:03:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 16750 backedges. 0 proven. 12606 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-04-14 11:03:54,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722911875] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 11:03:54,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 11:03:54,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 93 [2025-04-14 11:03:54,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678125213] [2025-04-14 11:03:54,073 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 11:03:54,074 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 93 states [2025-04-14 11:03:54,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 11:03:54,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2025-04-14 11:03:54,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2025-04-14 11:03:54,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:03:54,078 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 11:03:54,078 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 93 states, 93 states have (on average 12.795698924731182) internal successors, (1190), 93 states have internal predecessors, (1190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:54,078 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:03:54,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2025-04-14 11:03:54,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2025-04-14 11:03:54,079 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2025-04-14 11:03:55,988 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2025-04-14 11:03:55,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 11:03:55,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-04-14 11:03:55,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2025-04-14 11:03:55,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-04-14 11:03:55,989 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2025-04-14 11:03:56,004 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-04-14 11:03:56,189 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:03:56,190 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting t1Err0ASSERT_VIOLATIONERROR_FUNCTION === [t1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2025-04-14 11:03:56,190 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 11:03:56,191 INFO L139 ounterexampleChecker]: Examining path program with hash -640704925, occurence #2 [2025-04-14 11:03:56,191 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1 [2025-04-14 11:03:56,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 11:03:56,191 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 56 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 69 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 82 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 121 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 134 [2025-04-14 11:03:56,191 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,191 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 173 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 186 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 212 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 225 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 264 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 277 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 290 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 303 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 316 [2025-04-14 11:03:56,192 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,192 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 329 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 342 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 355 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 368 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 381 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 394 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 407 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 420 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 433 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 446 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 459 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 472 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,193 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 485 [2025-04-14 11:03:56,193 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 498 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 511 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 524 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 537 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 550 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 563 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 576 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 589 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 602 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 615 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,194 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 628 [2025-04-14 11:03:56,194 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 641 [2025-04-14 11:03:56,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 654 [2025-04-14 11:03:56,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 667 [2025-04-14 11:03:56,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 680 [2025-04-14 11:03:56,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 693 [2025-04-14 11:03:56,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 706 [2025-04-14 11:03:56,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 719 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 732 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 745 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 758 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 771 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 784 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 797 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 810 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 823 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 836 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,197 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 849 [2025-04-14 11:03:56,197 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 862 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 875 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 888 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 901 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 914 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 927 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 940 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 953 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 966 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,198 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 979 [2025-04-14 11:03:56,198 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 992 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1005 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1018 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1031 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1044 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1057 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1070 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1083 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1096 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,199 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1109 [2025-04-14 11:03:56,199 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1122 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1135 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1148 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1161 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1174 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1189 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1195 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1201 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1207 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1213 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1219 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1225 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,200 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1231 [2025-04-14 11:03:56,200 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1237 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1243 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1249 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1255 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1261 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1267 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1273 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1279 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1285 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1291 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1297 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1303 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1309 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1315 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1321 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1327 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,201 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1333 [2025-04-14 11:03:56,201 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1339 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1345 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1351 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1357 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1363 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1369 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,202 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1375 [2025-04-14 11:03:56,202 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1381 [2025-04-14 11:03:56,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1387 [2025-04-14 11:03:56,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1393 [2025-04-14 11:03:56,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1399 [2025-04-14 11:03:56,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,203 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 1405 [2025-04-14 11:03:56,203 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 11:03:56,203 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 11:03:56,203 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 11:03:56,204 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 11:03:56,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1744300080, now seen corresponding path program 2 times [2025-04-14 11:03:56,204 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 11:03:56,204 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462248665] [2025-04-14 11:03:56,204 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:03:56,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 11:03:56,408 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1411 statements into 2 equivalence classes. [2025-04-14 11:03:56,625 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1411 of 1411 statements. [2025-04-14 11:03:56,625 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:03:56,625 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:04:12,444 INFO L134 CoverageAnalysis]: Checked inductivity of 56839 backedges. 0 proven. 52695 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-04-14 11:04:12,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 11:04:12,444 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462248665] [2025-04-14 11:04:12,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462248665] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 11:04:12,444 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1946614627] [2025-04-14 11:04:12,444 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 11:04:12,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 11:04:12,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 11:04:12,447 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 11:04:12,450 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-04-14 11:04:13,288 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 1411 statements into 2 equivalence classes. [2025-04-14 11:04:13,987 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 1411 of 1411 statements. [2025-04-14 11:04:13,988 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 11:04:13,988 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 11:04:14,029 INFO L256 TraceCheckSpWp]: Trace formula consists of 7426 conjuncts, 92 conjuncts are in the unsatisfiable core [2025-04-14 11:04:14,047 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 11:04:14,830 INFO L134 CoverageAnalysis]: Checked inductivity of 56839 backedges. 0 proven. 52695 refuted. 0 times theorem prover too weak. 4144 trivial. 0 not checked. [2025-04-14 11:04:14,831 INFO L312 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2025-04-14 11:04:19,326 INFO L790 garLoopResultBuilder]: Registering result TIMEOUT for location t1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2025-04-14 11:04:19,349 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2025-04-14 11:04:19,364 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 11:04:19,364 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 11:04:19,367 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 11:04:19,527 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,SelfDestructingSolverStorable12 [2025-04-14 11:04:19,527 WARN L610 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1412 with TraceHistMax 129,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. [2025-04-14 11:04:19,538 INFO L422 BasicCegarLoop]: Path program histogram: [5, 2, 2, 1, 1, 1, 1] [2025-04-14 11:04:19,543 INFO L320 ceAbstractionStarter]: Result for error location t1Thread1of1ForFork1 was TIMEOUT (1/3) [2025-04-14 11:04:19,551 INFO L242 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2025-04-14 11:04:19,551 INFO L171 ceAbstractionStarter]: Computing trace abstraction results [2025-04-14 11:04:19,569 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2025-04-14 11:04:19,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.04 11:04:19 BasicIcfg [2025-04-14 11:04:19,572 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2025-04-14 11:04:19,573 INFO L158 Benchmark]: Toolchain (without parser) took 842937.45ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 994.1MB). Free memory was 108.4MB in the beginning and 590.3MB in the end (delta: -481.9MB). Peak memory consumption was 514.2MB. Max. memory is 8.0GB. [2025-04-14 11:04:19,573 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:04:19,573 INFO L158 Benchmark]: CACSL2BoogieTranslator took 628.39ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 67.6MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. [2025-04-14 11:04:19,573 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.12ms. Allocated memory is still 155.2MB. Free memory was 67.6MB in the beginning and 58.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. [2025-04-14 11:04:19,574 INFO L158 Benchmark]: Boogie Preprocessor took 97.81ms. Allocated memory is still 155.2MB. Free memory was 58.5MB in the beginning and 53.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 11:04:19,574 INFO L158 Benchmark]: RCFGBuilder took 10390.24ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 53.1MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2025-04-14 11:04:19,574 INFO L158 Benchmark]: TraceAbstraction took 831735.48ms. Allocated memory was 3.5GB in the beginning and 1.1GB in the end (delta: -2.4GB). Free memory was 2.6GB in the beginning and 590.3MB in the end (delta: 2.0GB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 11:04:19,580 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 159.4MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 628.39ms. Allocated memory is still 155.2MB. Free memory was 108.4MB in the beginning and 67.6MB in the end (delta: 40.8MB). Peak memory consumption was 41.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 76.12ms. Allocated memory is still 155.2MB. Free memory was 67.6MB in the beginning and 58.5MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 8.0GB. * Boogie Preprocessor took 97.81ms. Allocated memory is still 155.2MB. Free memory was 58.5MB in the beginning and 53.1MB in the end (delta: 5.4MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 10390.24ms. Allocated memory was 155.2MB in the beginning and 3.5GB in the end (delta: 3.4GB). Free memory was 53.1MB in the beginning and 2.6GB in the end (delta: -2.5GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * TraceAbstraction took 831735.48ms. Allocated memory was 3.5GB in the beginning and 1.1GB in the end (delta: -2.4GB). Free memory was 2.6GB in the beginning and 590.3MB in the end (delta: 2.0GB). There was no memory consumed. 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: 7196, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 1513, dependent conditional: 1505, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5725, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5725, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5896, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 213, dependent conditional: 205, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5896, independent: 5683, independent conditional: 0, independent unconditional: 5683, dependent: 213, dependent conditional: 34, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5896, independent: 5683, independent conditional: 0, independent unconditional: 5683, dependent: 213, dependent conditional: 34, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 454, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 358, dependent conditional: 44, dependent unconditional: 314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 5896, independent: 5266, independent conditional: 0, independent unconditional: 5266, dependent: 202, dependent conditional: 31, dependent unconditional: 171, unknown: 428, unknown conditional: 3, unknown unconditional: 425] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 417, Positive conditional cache size: 0, Positive unconditional cache size: 417, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5304, Maximal queried relation: 8, Independence queries for same thread: 1471, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 75, Number of trivial persistent sets: 65, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 558, independent: 550, independent conditional: 0, independent unconditional: 550, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7196, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 1513, dependent conditional: 1505, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5725, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 5725, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 42, dependent conditional: 34, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5896, independent: 5683, independent conditional: 5133, independent unconditional: 550, dependent: 213, dependent conditional: 205, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 5896, independent: 5683, independent conditional: 0, independent unconditional: 5683, dependent: 213, dependent conditional: 34, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 5896, independent: 5683, independent conditional: 0, independent unconditional: 5683, dependent: 213, dependent conditional: 34, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 428, independent: 417, independent conditional: 0, independent unconditional: 417, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 428, independent: 410, independent conditional: 0, independent unconditional: 410, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 11, dependent conditional: 3, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 454, independent: 97, independent conditional: 0, independent unconditional: 97, dependent: 358, dependent conditional: 44, dependent unconditional: 314, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 2, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 5896, independent: 5266, independent conditional: 0, independent unconditional: 5266, dependent: 202, dependent conditional: 31, dependent unconditional: 171, unknown: 428, unknown conditional: 3, unknown unconditional: 425] , Statistics on independence cache: Total cache size (in pairs): 428, Positive cache size: 417, Positive conditional cache size: 0, Positive unconditional cache size: 417, Negative cache size: 11, Negative conditional cache size: 3, Negative unconditional cache size: 8, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5304, Maximal queried relation: 8, Independence queries for same thread: 1471 - TimeoutResultAtElement [Line: 941]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1412 with TraceHistMax 129,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 152 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t1Thread1of1ForFork1 with 1 thread instances CFG has 5 procedures, 53 locations, 62 edges, 6 error locations. Started 1 CEGAR loops. OverallTime: 831.5s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 13.9s, 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: 412, 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: 0.8s SsaConstructionTime, 754.6s SatisfiabilityAnalysisTime, 35.3s InterpolantComputationTime, 4752 NumberOfCodeBlocks, 4680 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 7052 ConstructedInterpolants, 12 QuantifiedInterpolants, 18567 SizeOfPredicates, 81 NumberOfNonLiveVariables, 22811 ConjunctsInSsa, 189 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 26745/73090 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]: 40, ConditionCalculationTime [ms]: 31, ConditionCalculations: 157, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, UnsatisfiedConditions: 0, ImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown