/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/weaver/popl20-commit-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.3.0-dev-4cc0a57-m [2025-04-14 12:47:24,274 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-04-14 12:47:24,316 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 12:47:24,319 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-04-14 12:47:24,319 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-04-14 12:47:24,332 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-04-14 12:47:24,333 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-04-14 12:47:24,333 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-04-14 12:47:24,333 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-04-14 12:47:24,333 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-04-14 12:47:24,333 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-04-14 12:47:24,333 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-04-14 12:47:24,333 INFO L153 SettingsManager]: * Use SBE=true [2025-04-14 12:47:24,333 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * sizeof long=4 [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * sizeof long double=12 [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Use constant arrays=true [2025-04-14 12:47:24,334 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:47:24,334 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:47:24,335 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:47:24,335 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2025-04-14 12:47:24,335 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-04-14 12:47:24,509 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-04-14 12:47:24,516 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-04-14 12:47:24,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-04-14 12:47:24,519 INFO L270 PluginConnector]: Initializing CDTParser... [2025-04-14 12:47:24,519 INFO L274 PluginConnector]: CDTParser initialized [2025-04-14 12:47:24,520 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2025-04-14 12:47:25,744 INFO L538 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/545061fd2/a89cd5a638e94a1587676ebddf6f5926/FLAG01d495a87 [2025-04-14 12:47:25,933 INFO L389 CDTParser]: Found 1 translation units. [2025-04-14 12:47:25,934 INFO L178 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c [2025-04-14 12:47:25,953 INFO L432 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/545061fd2/a89cd5a638e94a1587676ebddf6f5926/FLAG01d495a87 [2025-04-14 12:47:26,794 INFO L440 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/545061fd2/a89cd5a638e94a1587676ebddf6f5926 [2025-04-14 12:47:26,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-04-14 12:47:26,797 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2025-04-14 12:47:26,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-04-14 12:47:26,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-04-14 12:47:26,800 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-04-14 12:47:26,801 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:47:26" (1/1) ... [2025-04-14 12:47:26,801 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36adc07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:26, skipping insertion in model container [2025-04-14 12:47:26,802 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.04 12:47:26" (1/1) ... [2025-04-14 12:47:26,819 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-04-14 12:47:26,990 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5898,5911] [2025-04-14 12:47:26,998 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:47:27,004 INFO L200 MainTranslator]: Completed pre-run [2025-04-14 12:47:27,041 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-commit-2.wvr.c[5898,5911] [2025-04-14 12:47:27,043 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-04-14 12:47:27,052 INFO L204 MainTranslator]: Completed translation [2025-04-14 12:47:27,052 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27 WrapperNode [2025-04-14 12:47:27,052 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-04-14 12:47:27,053 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-04-14 12:47:27,053 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-04-14 12:47:27,053 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-04-14 12:47:27,057 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,100 INFO L138 Inliner]: procedures = 25, calls = 73, calls flagged for inlining = 27, calls inlined = 33, statements flattened = 445 [2025-04-14 12:47:27,100 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-04-14 12:47:27,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-04-14 12:47:27,101 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-04-14 12:47:27,101 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-04-14 12:47:27,113 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,125 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,135 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,147 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,150 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,158 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-04-14 12:47:27,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-04-14 12:47:27,159 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-04-14 12:47:27,159 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-04-14 12:47:27,159 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (1/1) ... [2025-04-14 12:47:27,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-04-14 12:47:27,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:27,185 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 12:47:27,187 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 12:47:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-04-14 12:47:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2025-04-14 12:47:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2025-04-14 12:47:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2025-04-14 12:47:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2025-04-14 12:47:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2025-04-14 12:47:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2025-04-14 12:47:27,202 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2025-04-14 12:47:27,202 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-04-14 12:47:27,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-04-14 12:47:27,203 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2025-04-14 12:47:27,204 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 12:47:27,291 INFO L234 CfgBuilder]: Building ICFG [2025-04-14 12:47:27,292 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-04-14 12:47:27,696 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2025-04-14 12:47:27,697 INFO L283 CfgBuilder]: Performing block encoding [2025-04-14 12:47:28,019 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-04-14 12:47:28,019 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2025-04-14 12:47:28,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:47:28 BoogieIcfgContainer [2025-04-14 12:47:28,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-04-14 12:47:28,021 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-04-14 12:47:28,021 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-04-14 12:47:28,024 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-04-14 12:47:28,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.04 12:47:26" (1/3) ... [2025-04-14 12:47:28,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496f29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:47:28, skipping insertion in model container [2025-04-14 12:47:28,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.04 12:47:27" (2/3) ... [2025-04-14 12:47:28,024 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@496f29c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.04 12:47:28, skipping insertion in model container [2025-04-14 12:47:28,024 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.04 12:47:28" (3/3) ... [2025-04-14 12:47:28,025 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-commit-2.wvr.c [2025-04-14 12:47:28,035 INFO L217 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-04-14 12:47:28,036 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-commit-2.wvr.c that has 5 procedures, 53 locations, 60 edges, 1 initial locations, 8 loop locations, and 1 error locations. [2025-04-14 12:47:28,037 INFO L490 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2025-04-14 12:47:28,098 INFO L143 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2025-04-14 12:47:28,129 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:47:28,130 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2025-04-14 12:47:28,130 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:28,132 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 12:47:28,134 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 12:47:28,206 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2025-04-14 12:47:28,217 INFO L339 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2025-04-14 12:47:28,224 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;@4c87610d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-04-14 12:47:28,224 INFO L341 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2025-04-14 12:47:28,506 INFO L403 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:28,506 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:28,507 INFO L139 ounterexampleChecker]: Examining path program with hash -1519781403, occurence #1 [2025-04-14 12:47:28,507 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:47:28,507 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:28,511 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:28,512 INFO L85 PathProgramCache]: Analyzing trace with hash 290331842, now seen corresponding path program 1 times [2025-04-14 12:47:28,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:28,519 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [91229093] [2025-04-14 12:47:28,519 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:28,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:28,574 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-14 12:47:28,617 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 12:47:28,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:28,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:28,717 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 12:47:28,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:28,718 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [91229093] [2025-04-14 12:47:28,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [91229093] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:28,718 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:47:28,718 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 12:47:28,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635055756] [2025-04-14 12:47:28,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:28,725 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-04-14 12:47:28,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:28,739 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-04-14 12:47:28,739 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-04-14 12:47:28,740 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:28,741 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:28,743 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 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 12:47:28,743 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:35,335 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:35,336 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-04-14 12:47:35,336 INFO L403 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:35,336 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:35,336 INFO L139 ounterexampleChecker]: Examining path program with hash 876009893, occurence #1 [2025-04-14 12:47:35,336 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:47:35,336 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:35,337 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:35,337 INFO L85 PathProgramCache]: Analyzing trace with hash 1944159359, now seen corresponding path program 1 times [2025-04-14 12:47:35,337 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:35,337 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432617749] [2025-04-14 12:47:35,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:35,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:35,387 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 275 statements into 1 equivalence classes. [2025-04-14 12:47:35,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 275 of 275 statements. [2025-04-14 12:47:35,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:35,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:35,997 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 12:47:35,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:35,997 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432617749] [2025-04-14 12:47:35,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432617749] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:35,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:47:35,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-04-14 12:47:35,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523344984] [2025-04-14 12:47:35,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:35,998 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 12:47:35,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:35,998 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 12:47:35,998 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 12:47:35,999 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,004 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:36,004 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 2 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:36,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,004 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,139 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,140 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:36,140 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-04-14 12:47:36,140 INFO L403 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:36,140 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:36,140 INFO L139 ounterexampleChecker]: Examining path program with hash -311158067, occurence #1 [2025-04-14 12:47:36,140 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:47:36,140 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:36,141 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:36,141 INFO L85 PathProgramCache]: Analyzing trace with hash -559182660, now seen corresponding path program 2 times [2025-04-14 12:47:36,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:36,141 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342429421] [2025-04-14 12:47:36,141 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:47:36,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:36,160 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 103 statements into 2 equivalence classes. [2025-04-14 12:47:36,198 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 71 of 103 statements. [2025-04-14 12:47:36,199 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:47:36,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:36,362 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:36,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:36,362 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342429421] [2025-04-14 12:47:36,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342429421] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:36,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:47:36,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:47:36,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343824628] [2025-04-14 12:47:36,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:36,363 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:47:36,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:36,363 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:47:36,364 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:47:36,364 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,364 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:36,364 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 3 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:36,364 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,364 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:36,364 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,480 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,480 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:36,480 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:36,480 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-04-14 12:47:36,481 INFO L403 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:36,481 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:36,481 INFO L139 ounterexampleChecker]: Examining path program with hash -311158067, occurence #2 [2025-04-14 12:47:36,481 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:36,481 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 4 [2025-04-14 12:47:36,482 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:36,482 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 12:47:36,491 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:36,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:47:36,492 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:36,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:47:36,492 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:36,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:47:36,492 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:36,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 12:47:36,492 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:36,492 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 78 [2025-04-14 12:47:36,512 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:36,512 INFO L85 PathProgramCache]: Analyzing trace with hash 796766361, now seen corresponding path program 1 times [2025-04-14 12:47:36,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:36,512 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002991363] [2025-04-14 12:47:36,512 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:36,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:36,527 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-04-14 12:47:36,533 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-04-14 12:47:36,533 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:36,533 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:36,612 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:36,612 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:36,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1002991363] [2025-04-14 12:47:36,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1002991363] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:36,612 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:47:36,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:47:36,613 INFO L172 ounterexampleChecker]: Successfully proved commutativity at non-minimality point 78. Constructing proof automaton... [2025-04-14 12:47:36,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:36,614 INFO L311 artialOrderCegarLoop]: Commutativity proof succeeded, skipping feasibility check. [2025-04-14 12:47:36,614 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 12:47:36,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SMTINTERPOL [2025-04-14 12:47:36,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 12:47:36,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 12:47:36,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,614 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:36,614 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:36,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:36,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:36,615 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,855 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:36,855 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:36,855 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:36,856 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:36,856 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-04-14 12:47:36,856 INFO L403 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:36,856 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:36,856 INFO L139 ounterexampleChecker]: Examining path program with hash -729887217, occurence #1 [2025-04-14 12:47:36,856 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:47:36,856 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:36,857 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:36,857 INFO L85 PathProgramCache]: Analyzing trace with hash 744872163, now seen corresponding path program 1 times [2025-04-14 12:47:36,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:36,857 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1318602657] [2025-04-14 12:47:36,857 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:36,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:36,878 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 140 statements into 1 equivalence classes. [2025-04-14 12:47:36,887 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 140 of 140 statements. [2025-04-14 12:47:36,887 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:36,887 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:37,029 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:37,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:37,030 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1318602657] [2025-04-14 12:47:37,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1318602657] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:37,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:47:37,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:47:37,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149810453] [2025-04-14 12:47:37,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:37,030 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 12:47:37,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:37,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 12:47:37,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 12:47:37,031 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,031 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:37,031 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.333333333333332) internal successors, (58), 3 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:37,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:37,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,031 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:37,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,256 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,256 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-04-14 12:47:37,256 INFO L403 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:37,256 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:37,256 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #1 [2025-04-14 12:47:37,256 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:47:37,256 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:37,257 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:37,257 INFO L85 PathProgramCache]: Analyzing trace with hash -1504388559, now seen corresponding path program 2 times [2025-04-14 12:47:37,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:37,257 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1497264236] [2025-04-14 12:47:37,257 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:47:37,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:37,281 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 164 statements into 2 equivalence classes. [2025-04-14 12:47:37,350 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 143 of 164 statements. [2025-04-14 12:47:37,350 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:47:37,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 12:47:37,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:37,628 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1497264236] [2025-04-14 12:47:37,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1497264236] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:37,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:47:37,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 12:47:37,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483999476] [2025-04-14 12:47:37,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:37,629 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:47:37,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:37,629 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:47:37,629 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-04-14 12:47:37,629 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,629 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:37,629 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.25) internal successors, (73), 4 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:37,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,629 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,630 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:37,630 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,630 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,630 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:37,724 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:37,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:37,725 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:37,725 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-04-14 12:47:37,725 INFO L403 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:37,725 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:37,726 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #2 [2025-04-14 12:47:37,726 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:37,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 5 [2025-04-14 12:47:37,726 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:37,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 12:47:37,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:37,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 12:47:37,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:37,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 12:47:37,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:37,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 12:47:37,726 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:37,726 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 12:47:37,837 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:37,837 INFO L85 PathProgramCache]: Analyzing trace with hash -1696630502, now seen corresponding path program 1 times [2025-04-14 12:47:37,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:37,837 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671591127] [2025-04-14 12:47:37,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:37,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:37,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-04-14 12:47:37,870 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-04-14 12:47:37,870 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:37,870 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:47:37,872 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:47:37,872 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:47:37,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 85 [2025-04-14 12:47:37,968 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:37,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1316633191, now seen corresponding path program 1 times [2025-04-14 12:47:37,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:37,968 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925399345] [2025-04-14 12:47:37,968 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:37,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:37,984 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-04-14 12:47:38,012 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 12:47:38,012 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:38,012 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:38,244 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:38,244 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:38,244 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925399345] [2025-04-14 12:47:38,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925399345] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:38,245 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1585068633] [2025-04-14 12:47:38,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:38,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:38,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-04-14 12:47:38,302 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-04-14 12:47:38,302 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:38,302 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:38,306 INFO L256 TraceCheckSpWp]: Trace formula consists of 540 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:38,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:38,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:38,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1585068633] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:38,384 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:38,384 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:38,384 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:38,385 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 12:47:38,400 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:38,400 INFO L85 PathProgramCache]: Analyzing trace with hash -1730992929, now seen corresponding path program 1 times [2025-04-14 12:47:38,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:38,400 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642959127] [2025-04-14 12:47:38,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:38,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 12:47:38,450 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:47:38,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:38,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:38,698 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:38,698 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:38,698 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642959127] [2025-04-14 12:47:38,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642959127] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:38,698 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [769471670] [2025-04-14 12:47:38,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:38,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:38,719 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 12:47:38,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:47:38,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:38,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:38,764 INFO L256 TraceCheckSpWp]: Trace formula consists of 550 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:38,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:38,846 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:38,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [769471670] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:38,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:38,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:38,846 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:38,846 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 12:47:38,867 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:38,867 INFO L85 PathProgramCache]: Analyzing trace with hash -2121177259, now seen corresponding path program 1 times [2025-04-14 12:47:38,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:38,867 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [362128358] [2025-04-14 12:47:38,867 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:38,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:38,889 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:47:38,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:47:38,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:38,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:39,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:39,139 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:39,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [362128358] [2025-04-14 12:47:39,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [362128358] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:39,139 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [803096826] [2025-04-14 12:47:39,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:39,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:39,157 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:47:39,183 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:47:39,184 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:39,184 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:39,186 INFO L256 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:39,188 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-04-14 12:47:39,250 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [803096826] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:39,250 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:39,250 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:39,250 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:39,250 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-14 12:47:39,250 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:39,251 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 129 is hopeless, skipping. [2025-04-14 12:47:39,251 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2025-04-14 12:47:39,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 142 [2025-04-14 12:47:39,251 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:39,251 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 147 [2025-04-14 12:47:39,263 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:39,263 INFO L85 PathProgramCache]: Analyzing trace with hash -1502441899, now seen corresponding path program 1 times [2025-04-14 12:47:39,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:39,264 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568684295] [2025-04-14 12:47:39,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:39,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:39,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-04-14 12:47:39,324 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-04-14 12:47:39,324 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:39,324 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:39,693 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 12:47:39,693 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:39,693 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568684295] [2025-04-14 12:47:39,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568684295] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:39,693 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2126798147] [2025-04-14 12:47:39,693 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:39,694 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:39,718 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 148 statements into 1 equivalence classes. [2025-04-14 12:47:39,759 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 148 of 148 statements. [2025-04-14 12:47:39,759 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:39,759 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:39,763 INFO L256 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:39,769 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:39,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 12:47:39,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2126798147] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:39,918 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:39,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-14 12:47:39,918 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:39,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 12:47:39,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:39,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-04-14 12:47:39,919 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:39,919 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 12:47:39,919 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:39,919 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:47:39,919 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:39,919 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:39,919 INFO L85 PathProgramCache]: Analyzing trace with hash -1553095878, now seen corresponding path program 1 times [2025-04-14 12:47:39,919 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:39,919 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822432005] [2025-04-14 12:47:39,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:39,943 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-04-14 12:47:39,980 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-04-14 12:47:39,980 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:39,980 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:40,334 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-04-14 12:47:40,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:40,334 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822432005] [2025-04-14 12:47:40,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822432005] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:40,334 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285545957] [2025-04-14 12:47:40,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:40,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:47:40,334 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:40,336 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 12:47:40,338 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 12:47:40,477 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 165 statements into 1 equivalence classes. [2025-04-14 12:47:40,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 165 of 165 statements. [2025-04-14 12:47:40,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:40,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:40,562 INFO L256 TraceCheckSpWp]: Trace formula consists of 838 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-14 12:47:40,565 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:40,601 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:40,601 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 12:47:40,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285545957] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:40,602 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:47:40,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-04-14 12:47:40,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091080945] [2025-04-14 12:47:40,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:40,602 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:47:40,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:40,604 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:47:40,604 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-04-14 12:47:40,604 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:40,604 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:40,604 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.0) internal successors, (64), 4 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:40,604 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:40,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:40,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:40,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:40,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:40,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:40,707 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:40,708 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:40,716 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 12:47:40,908 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,SelfDestructingSolverStorable10,SelfDestructingSolverStorable11,SelfDestructingSolverStorable12,SelfDestructingSolverStorable9,SelfDestructingSolverStorable13,SelfDestructingSolverStorable14,SelfDestructingSolverStorable15 [2025-04-14 12:47:40,908 INFO L403 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:40,908 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:40,909 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #3 [2025-04-14 12:47:40,909 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:40,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 12:47:40,909 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:40,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 8 [2025-04-14 12:47:40,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:40,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 11 [2025-04-14 12:47:40,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:40,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 14 [2025-04-14 12:47:40,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:40,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 17 [2025-04-14 12:47:40,909 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:40,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 12:47:41,011 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:41,012 INFO L85 PathProgramCache]: Analyzing trace with hash -1253351009, now seen corresponding path program 1 times [2025-04-14 12:47:41,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:41,012 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497797836] [2025-04-14 12:47:41,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:41,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:41,019 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-04-14 12:47:41,034 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-04-14 12:47:41,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:41,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:47:41,035 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:47:41,036 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:47:41,036 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 86 [2025-04-14 12:47:41,140 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:41,140 INFO L85 PathProgramCache]: Analyzing trace with hash -226458772, now seen corresponding path program 1 times [2025-04-14 12:47:41,140 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:41,140 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489099080] [2025-04-14 12:47:41,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:41,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:41,163 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-14 12:47:41,185 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-14 12:47:41,186 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:41,186 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:41,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:41,367 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:41,367 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489099080] [2025-04-14 12:47:41,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1489099080] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:41,367 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [169954722] [2025-04-14 12:47:41,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:41,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:41,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-04-14 12:47:41,406 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-04-14 12:47:41,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:41,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:41,408 INFO L256 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:41,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:41,475 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:41,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [169954722] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:41,475 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:41,475 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:41,475 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:41,475 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 12:47:41,490 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:41,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1416300644, now seen corresponding path program 1 times [2025-04-14 12:47:41,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:41,490 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418757678] [2025-04-14 12:47:41,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:41,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:41,506 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:47:41,524 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:47:41,525 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:41,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:41,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:41,703 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:41,703 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418757678] [2025-04-14 12:47:41,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418757678] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:41,704 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [41126513] [2025-04-14 12:47:41,705 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:41,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:41,722 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:47:41,742 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:47:41,742 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:41,742 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:41,744 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:41,746 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:41,812 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:41,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [41126513] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:41,812 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:41,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:41,812 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:41,812 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 12:47:41,835 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:41,835 INFO L85 PathProgramCache]: Analyzing trace with hash 955642542, now seen corresponding path program 1 times [2025-04-14 12:47:41,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:41,835 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528130574] [2025-04-14 12:47:41,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:41,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:41,853 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-14 12:47:41,872 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-14 12:47:41,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:41,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:42,047 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:42,048 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:42,048 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528130574] [2025-04-14 12:47:42,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528130574] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:42,048 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1430244762] [2025-04-14 12:47:42,048 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:42,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:42,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-14 12:47:42,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-14 12:47:42,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:42,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:42,111 INFO L256 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:42,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:42,195 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-04-14 12:47:42,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1430244762] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:42,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:42,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:42,195 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:42,195 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-14 12:47:42,195 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:42,195 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 130 is hopeless, skipping. [2025-04-14 12:47:42,195 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 132 is hopeless, skipping. [2025-04-14 12:47:42,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-04-14 12:47:42,196 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:42,196 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 148 [2025-04-14 12:47:42,216 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:42,216 INFO L85 PathProgramCache]: Analyzing trace with hash -854332198, now seen corresponding path program 1 times [2025-04-14 12:47:42,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:42,216 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1878873818] [2025-04-14 12:47:42,216 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:42,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:42,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-04-14 12:47:42,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-04-14 12:47:42,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:42,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:42,612 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:42,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1878873818] [2025-04-14 12:47:42,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1878873818] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:42,612 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1802953965] [2025-04-14 12:47:42,612 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:42,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:42,637 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 149 statements into 1 equivalence classes. [2025-04-14 12:47:42,669 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 149 of 149 statements. [2025-04-14 12:47:42,669 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:42,669 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:42,672 INFO L256 TraceCheckSpWp]: Trace formula consists of 786 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:42,674 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:42,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1802953965] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:42,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:42,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-14 12:47:42,819 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:42,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 156 [2025-04-14 12:47:42,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:42,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 12:47:42,819 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:42,819 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-14 12:47:42,819 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:42,819 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:47:42,819 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:42,819 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:42,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1624096892, now seen corresponding path program 1 times [2025-04-14 12:47:42,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:42,820 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1910021973] [2025-04-14 12:47:42,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:42,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:42,846 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-04-14 12:47:42,898 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-04-14 12:47:42,898 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:42,898 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:43,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:43,184 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1910021973] [2025-04-14 12:47:43,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1910021973] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:43,184 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955826226] [2025-04-14 12:47:43,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:43,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:47:43,184 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:43,186 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 12:47:43,187 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 12:47:43,356 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-04-14 12:47:43,435 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-04-14 12:47:43,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:43,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:43,438 INFO L256 TraceCheckSpWp]: Trace formula consists of 847 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-04-14 12:47:43,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:43,477 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:43,477 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 12:47:43,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955826226] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:47:43,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:47:43,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2025-04-14 12:47:43,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019892096] [2025-04-14 12:47:43,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:47:43,478 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:47:43,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:43,478 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:47:43,478 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2025-04-14 12:47:43,478 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:43,478 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:43,479 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.5) internal successors, (66), 4 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:43,479 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:43,583 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:43,584 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:43,592 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-04-14 12:47:43,784 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,SelfDestructingSolverStorable19,SelfDestructingSolverStorable20,SelfDestructingSolverStorable21,SelfDestructingSolverStorable22,SelfDestructingSolverStorable23,SelfDestructingSolverStorable24,SelfDestructingSolverStorable25,SelfDestructingSolverStorable16,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-04-14 12:47:43,784 INFO L403 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:43,785 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:43,785 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #4 [2025-04-14 12:47:43,785 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:43,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 6 [2025-04-14 12:47:43,785 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:43,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 9 [2025-04-14 12:47:43,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:43,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:47:43,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:43,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:47:43,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:43,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 12:47:43,785 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:43,785 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 29 [2025-04-14 12:47:43,884 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:43,885 INFO L85 PathProgramCache]: Analyzing trace with hash 534335114, now seen corresponding path program 1 times [2025-04-14 12:47:43,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:43,885 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681424201] [2025-04-14 12:47:43,885 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:43,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:43,893 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 30 statements into 1 equivalence classes. [2025-04-14 12:47:43,912 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 30 of 30 statements. [2025-04-14 12:47:43,913 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:43,913 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:47:43,914 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:47:43,914 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:47:43,914 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 87 [2025-04-14 12:47:44,024 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:44,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1748277929, now seen corresponding path program 1 times [2025-04-14 12:47:44,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:44,024 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784701095] [2025-04-14 12:47:44,024 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,041 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 12:47:44,057 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:47:44,058 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:44,058 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:44,211 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:44,211 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784701095] [2025-04-14 12:47:44,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784701095] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:44,211 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1787716246] [2025-04-14 12:47:44,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-04-14 12:47:44,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-04-14 12:47:44,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:44,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:44,247 INFO L256 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:44,252 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:44,318 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:44,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1787716246] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:44,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:44,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:44,318 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:44,318 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 89 [2025-04-14 12:47:44,332 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:44,332 INFO L85 PathProgramCache]: Analyzing trace with hash -763042993, now seen corresponding path program 1 times [2025-04-14 12:47:44,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:44,332 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021407019] [2025-04-14 12:47:44,332 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-14 12:47:44,363 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-14 12:47:44,363 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:44,364 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:44,541 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:44,541 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:44,541 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021407019] [2025-04-14 12:47:44,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021407019] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:44,541 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [561406524] [2025-04-14 12:47:44,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,557 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-04-14 12:47:44,575 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-04-14 12:47:44,575 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:44,576 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:44,577 INFO L256 TraceCheckSpWp]: Trace formula consists of 568 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:44,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:44,644 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:44,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [561406524] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:44,644 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:44,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:44,644 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:44,644 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 12:47:44,660 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:44,660 INFO L85 PathProgramCache]: Analyzing trace with hash 2115466081, now seen corresponding path program 1 times [2025-04-14 12:47:44,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:44,661 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835118748] [2025-04-14 12:47:44,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,677 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-14 12:47:44,692 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:47:44,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:44,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:44,845 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:44,845 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:44,845 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835118748] [2025-04-14 12:47:44,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835118748] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:44,845 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [123460530] [2025-04-14 12:47:44,845 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,861 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-14 12:47:44,879 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:47:44,879 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:44,879 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:44,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 572 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:44,882 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:44,938 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:44,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [123460530] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:44,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:44,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-04-14 12:47:44,938 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:44,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 101 [2025-04-14 12:47:44,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:44,939 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 131 is hopeless, skipping. [2025-04-14 12:47:44,939 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 133 is hopeless, skipping. [2025-04-14 12:47:44,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 144 [2025-04-14 12:47:44,939 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:44,939 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 12:47:44,955 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:44,955 INFO L85 PathProgramCache]: Analyzing trace with hash 1601222085, now seen corresponding path program 1 times [2025-04-14 12:47:44,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:44,955 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1625306640] [2025-04-14 12:47:44,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:44,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:44,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-14 12:47:45,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-14 12:47:45,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:45,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:45,279 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:45,279 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1625306640] [2025-04-14 12:47:45,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1625306640] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:45,279 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1668471459] [2025-04-14 12:47:45,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:45,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:45,303 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-14 12:47:45,336 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-14 12:47:45,336 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:45,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:45,340 INFO L256 TraceCheckSpWp]: Trace formula consists of 795 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:45,342 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:45,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:45,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1668471459] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:45,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:45,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-04-14 12:47:45,474 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:45,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 157 [2025-04-14 12:47:45,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:45,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 160 [2025-04-14 12:47:45,474 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:45,474 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-14 12:47:45,474 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:45,474 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:47:45,474 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:45,474 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:45,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1985792552, now seen corresponding path program 1 times [2025-04-14 12:47:45,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:45,475 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65662500] [2025-04-14 12:47:45,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:45,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:45,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-04-14 12:47:45,526 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 12:47:45,526 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:45,526 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:45,853 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:45,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:45,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65662500] [2025-04-14 12:47:45,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65662500] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:45,854 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054579507] [2025-04-14 12:47:45,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:45,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:47:45,854 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:45,856 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 12:47:45,857 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 12:47:46,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-04-14 12:47:46,158 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-04-14 12:47:46,158 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:46,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:46,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:46,164 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:46,220 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:46,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:47:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2025-04-14 12:47:46,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054579507] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:47:46,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:47:46,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2025-04-14 12:47:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619594774] [2025-04-14 12:47:46,310 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:47:46,310 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-04-14 12:47:46,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:46,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-04-14 12:47:46,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-04-14 12:47:46,311 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:46,311 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:46,311 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.153846153846153) internal successors, (119), 12 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:46,311 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:46,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:46,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:46,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:46,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:46,614 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:46,615 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:46,615 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:46,615 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:46,615 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:47:46,622 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-04-14 12:47:46,815 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,SelfDestructingSolverStorable30,SelfDestructingSolverStorable31,SelfDestructingSolverStorable32,SelfDestructingSolverStorable33,SelfDestructingSolverStorable34,SelfDestructingSolverStorable35,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26,SelfDestructingSolverStorable27,SelfDestructingSolverStorable28 [2025-04-14 12:47:46,815 INFO L403 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:46,815 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:46,816 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #5 [2025-04-14 12:47:46,816 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:46,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 7 [2025-04-14 12:47:46,816 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:46,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 10 [2025-04-14 12:47:46,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:46,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 13 [2025-04-14 12:47:46,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:46,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 16 [2025-04-14 12:47:46,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:46,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 12:47:46,816 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:46,816 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 12:47:46,903 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:46,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1341668236, now seen corresponding path program 1 times [2025-04-14 12:47:46,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:46,904 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267240639] [2025-04-14 12:47:46,904 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:46,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:46,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-04-14 12:47:46,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-04-14 12:47:46,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:46,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:47:46,976 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:47:46,976 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:47:46,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 88 [2025-04-14 12:47:47,076 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:47,076 INFO L85 PathProgramCache]: Analyzing trace with hash 441520921, now seen corresponding path program 1 times [2025-04-14 12:47:47,076 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:47,076 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454445567] [2025-04-14 12:47:47,076 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:47,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:47,095 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:47:47,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:47:47,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:47,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:47,270 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:47,271 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:47,271 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454445567] [2025-04-14 12:47:47,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454445567] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:47,271 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [978911175] [2025-04-14 12:47:47,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:47,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:47,289 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-04-14 12:47:47,314 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-04-14 12:47:47,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:47,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:47,318 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:47,320 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:47,398 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:47,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [978911175] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:47,398 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:47,398 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 12:47:47,398 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:47,398 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 90 [2025-04-14 12:47:47,416 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:47,416 INFO L85 PathProgramCache]: Analyzing trace with hash -900339503, now seen corresponding path program 1 times [2025-04-14 12:47:47,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:47,416 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765424748] [2025-04-14 12:47:47,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:47,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:47,435 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-14 12:47:47,451 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:47:47,451 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:47,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:47,610 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:47,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765424748] [2025-04-14 12:47:47,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [765424748] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:47,610 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1384158060] [2025-04-14 12:47:47,610 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:47,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:47,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 91 statements into 1 equivalence classes. [2025-04-14 12:47:47,650 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 91 of 91 statements. [2025-04-14 12:47:47,650 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:47,650 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:47,652 INFO L256 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:47,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:47,726 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:47,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1384158060] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:47,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:47,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 12:47:47,727 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:47,727 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 91 [2025-04-14 12:47:47,743 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:47,743 INFO L85 PathProgramCache]: Analyzing trace with hash -2140726239, now seen corresponding path program 1 times [2025-04-14 12:47:47,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:47,743 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365280821] [2025-04-14 12:47:47,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:47,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:47,760 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-04-14 12:47:47,775 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-04-14 12:47:47,776 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:47,776 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:47,928 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:47,928 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365280821] [2025-04-14 12:47:47,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365280821] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:47,928 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1907860804] [2025-04-14 12:47:47,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:47,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:47,945 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 92 statements into 1 equivalence classes. [2025-04-14 12:47:47,965 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 92 of 92 statements. [2025-04-14 12:47:47,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:47,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:47,968 INFO L256 TraceCheckSpWp]: Trace formula consists of 581 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-04-14 12:47:47,969 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:48,039 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:48,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1907860804] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:48,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:48,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 9 [2025-04-14 12:47:48,040 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:48,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-14 12:47:48,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:48,040 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 132 is hopeless, skipping. [2025-04-14 12:47:48,040 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 134 is hopeless, skipping. [2025-04-14 12:47:48,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 145 [2025-04-14 12:47:48,040 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:48,040 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 12:47:48,056 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:48,056 INFO L85 PathProgramCache]: Analyzing trace with hash 2043679687, now seen corresponding path program 1 times [2025-04-14 12:47:48,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:48,056 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098889503] [2025-04-14 12:47:48,056 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:48,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:48,080 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-14 12:47:48,137 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 12:47:48,138 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:48,138 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:48,390 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:48,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098889503] [2025-04-14 12:47:48,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098889503] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:48,390 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [16090388] [2025-04-14 12:47:48,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:48,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:48,419 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 151 statements into 1 equivalence classes. [2025-04-14 12:47:48,447 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 151 of 151 statements. [2025-04-14 12:47:48,447 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:48,447 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:48,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 804 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-04-14 12:47:48,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:48,599 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:48,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [16090388] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:48,600 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:48,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:47:48,600 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:48,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 158 [2025-04-14 12:47:48,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:48,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 161 [2025-04-14 12:47:48,600 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:48,600 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-14 12:47:48,600 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:48,600 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:47:48,600 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:48,600 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:48,600 INFO L85 PathProgramCache]: Analyzing trace with hash -1839666089, now seen corresponding path program 2 times [2025-04-14 12:47:48,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:48,601 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830947620] [2025-04-14 12:47:48,601 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:47:48,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:48,629 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-04-14 12:47:49,029 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-04-14 12:47:49,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:47:49,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:49,418 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2025-04-14 12:47:49,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:49,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830947620] [2025-04-14 12:47:49,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1830947620] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:49,418 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631178371] [2025-04-14 12:47:49,419 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:47:49,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:47:49,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:49,420 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 12:47:49,422 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 12:47:49,645 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 168 statements into 2 equivalence classes. [2025-04-14 12:47:49,778 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 168 of 168 statements. [2025-04-14 12:47:49,778 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:47:49,778 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:49,782 INFO L256 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-04-14 12:47:49,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:50,335 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:50,335 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:47:50,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-04-14 12:47:50,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631178371] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:47:50,997 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:47:50,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 23, 28] total 61 [2025-04-14 12:47:50,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754448576] [2025-04-14 12:47:50,997 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:47:50,998 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2025-04-14 12:47:50,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:50,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2025-04-14 12:47:51,000 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=890, Invalid=2770, Unknown=0, NotChecked=0, Total=3660 [2025-04-14 12:47:51,000 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:51,000 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:51,000 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 7.327868852459017) internal successors, (447), 61 states have internal predecessors, (447), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:47:51,001 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:47:51,616 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:47:51,625 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-04-14 12:47:51,817 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,SelfDestructingSolverStorable41,SelfDestructingSolverStorable42,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43,SelfDestructingSolverStorable44,SelfDestructingSolverStorable45,SelfDestructingSolverStorable36,SelfDestructingSolverStorable37,SelfDestructingSolverStorable38,SelfDestructingSolverStorable39 [2025-04-14 12:47:51,817 INFO L403 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:51,817 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:51,818 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #6 [2025-04-14 12:47:51,818 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:51,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 12 [2025-04-14 12:47:51,818 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:51,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:47:51,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:51,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 18 [2025-04-14 12:47:51,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:51,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 21 [2025-04-14 12:47:51,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:51,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 24 [2025-04-14 12:47:51,818 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:51,818 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 35 [2025-04-14 12:47:51,911 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:51,911 INFO L85 PathProgramCache]: Analyzing trace with hash 658229007, now seen corresponding path program 1 times [2025-04-14 12:47:51,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:51,911 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612473219] [2025-04-14 12:47:51,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:51,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:51,921 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-04-14 12:47:51,964 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-04-14 12:47:51,964 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:51,964 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:47:51,965 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:47:51,965 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:47:51,965 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 93 [2025-04-14 12:47:52,062 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:52,062 INFO L85 PathProgramCache]: Analyzing trace with hash 274834844, now seen corresponding path program 1 times [2025-04-14 12:47:52,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:52,062 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1780486917] [2025-04-14 12:47:52,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:52,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:52,081 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-04-14 12:47:52,099 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-04-14 12:47:52,100 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:52,100 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:52,305 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-14 12:47:52,305 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:52,305 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1780486917] [2025-04-14 12:47:52,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1780486917] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:52,306 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [752092572] [2025-04-14 12:47:52,306 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:52,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:52,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 94 statements into 1 equivalence classes. [2025-04-14 12:47:52,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 94 of 94 statements. [2025-04-14 12:47:52,347 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:52,347 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:52,349 INFO L256 TraceCheckSpWp]: Trace formula consists of 612 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:52,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-14 12:47:52,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [752092572] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:52,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:52,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:47:52,559 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:52,559 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 95 [2025-04-14 12:47:52,572 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:52,572 INFO L85 PathProgramCache]: Analyzing trace with hash 2123083348, now seen corresponding path program 1 times [2025-04-14 12:47:52,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:52,572 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195092232] [2025-04-14 12:47:52,572 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:52,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:52,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-04-14 12:47:52,607 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-04-14 12:47:52,607 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:52,607 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:52,805 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-14 12:47:52,805 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:52,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195092232] [2025-04-14 12:47:52,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [195092232] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:52,805 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [291520783] [2025-04-14 12:47:52,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:52,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:52,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-04-14 12:47:52,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-04-14 12:47:52,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:52,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:52,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:52,846 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-14 12:47:52,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [291520783] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:52,998 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:52,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 12:47:52,998 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:52,998 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 12:47:53,010 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:53,010 INFO L85 PathProgramCache]: Analyzing trace with hash 1391068476, now seen corresponding path program 1 times [2025-04-14 12:47:53,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:53,011 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872359391] [2025-04-14 12:47:53,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:53,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:53,029 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-14 12:47:53,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-14 12:47:53,044 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:53,044 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:53,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:53,354 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:53,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872359391] [2025-04-14 12:47:53,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872359391] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:53,354 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [789926617] [2025-04-14 12:47:53,354 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:53,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:53,373 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-04-14 12:47:53,394 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-04-14 12:47:53,394 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:53,394 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:53,396 INFO L256 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 12:47:53,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:53,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [789926617] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:53,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:53,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2025-04-14 12:47:53,657 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:53,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-04-14 12:47:53,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:53,657 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 137 is hopeless, skipping. [2025-04-14 12:47:53,657 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 139 is hopeless, skipping. [2025-04-14 12:47:53,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 150 [2025-04-14 12:47:53,657 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:53,657 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 155 [2025-04-14 12:47:53,667 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:53,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1783960394, now seen corresponding path program 1 times [2025-04-14 12:47:53,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:53,668 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154659682] [2025-04-14 12:47:53,668 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:53,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:53,692 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 12:47:53,723 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 12:47:53,723 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:53,723 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2025-04-14 12:47:54,005 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:54,005 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154659682] [2025-04-14 12:47:54,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154659682] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:54,005 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1100237674] [2025-04-14 12:47:54,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:54,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:54,060 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-04-14 12:47:54,108 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-04-14 12:47:54,108 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:54,108 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:54,112 INFO L256 TraceCheckSpWp]: Trace formula consists of 849 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 12:47:54,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-04-14 12:47:54,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1100237674] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:54,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:54,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 15] total 22 [2025-04-14 12:47:54,467 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:54,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 163 [2025-04-14 12:47:54,467 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:54,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 166 [2025-04-14 12:47:54,467 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:54,467 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 168 [2025-04-14 12:47:54,467 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:54,467 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:47:54,467 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:54,467 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:54,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1666432157, now seen corresponding path program 3 times [2025-04-14 12:47:54,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:54,472 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716083099] [2025-04-14 12:47:54,472 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:47:54,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:54,503 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 173 statements into 4 equivalence classes. [2025-04-14 12:47:54,912 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 169 of 173 statements. [2025-04-14 12:47:54,912 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:47:54,912 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:55,354 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-04-14 12:47:55,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:47:55,355 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716083099] [2025-04-14 12:47:55,355 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716083099] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:55,355 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35854595] [2025-04-14 12:47:55,355 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:47:55,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:47:55,357 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:47:55,359 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 12:47:55,360 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 12:47:55,633 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 173 statements into 4 equivalence classes. [2025-04-14 12:47:55,768 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 169 of 173 statements. [2025-04-14 12:47:55,769 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:47:55,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:55,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 874 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 12:47:55,776 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:56,029 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-04-14 12:47:56,029 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:47:56,337 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-04-14 12:47:56,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [35854595] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:47:56,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:47:56,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12, 12] total 31 [2025-04-14 12:47:56,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286117592] [2025-04-14 12:47:56,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:47:56,338 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-04-14 12:47:56,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:47:56,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-04-14 12:47:56,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=729, Unknown=0, NotChecked=0, Total=930 [2025-04-14 12:47:56,339 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:56,339 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:47:56,339 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 13.35483870967742) internal successors, (414), 31 states have internal predecessors, (414), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:47:56,339 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:47:56,701 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:47:56,711 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 12:47:56,902 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,SelfDestructingSolverStorable51,SelfDestructingSolverStorable52,SelfDestructingSolverStorable53,SelfDestructingSolverStorable54,SelfDestructingSolverStorable55,SelfDestructingSolverStorable46,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47,SelfDestructingSolverStorable48,SelfDestructingSolverStorable49 [2025-04-14 12:47:56,902 INFO L403 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:47:56,902 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:47:56,902 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #7 [2025-04-14 12:47:56,902 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:47:56,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 15 [2025-04-14 12:47:56,902 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:56,902 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 19 [2025-04-14 12:47:56,902 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:56,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 22 [2025-04-14 12:47:56,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:56,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 12:47:56,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:56,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 28 [2025-04-14 12:47:56,903 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:56,903 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 12:47:56,998 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:56,998 INFO L85 PathProgramCache]: Analyzing trace with hash -1589512321, now seen corresponding path program 1 times [2025-04-14 12:47:56,998 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:56,998 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832688533] [2025-04-14 12:47:56,998 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:56,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:57,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-04-14 12:47:57,036 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-04-14 12:47:57,036 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:57,036 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:47:57,037 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:47:57,037 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:47:57,037 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 97 [2025-04-14 12:47:57,130 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:57,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1110338252, now seen corresponding path program 1 times [2025-04-14 12:47:57,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:57,130 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364463510] [2025-04-14 12:47:57,130 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:57,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:57,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-04-14 12:47:57,167 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-04-14 12:47:57,167 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:57,167 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:57,422 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-14 12:47:57,422 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:57,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364463510] [2025-04-14 12:47:57,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364463510] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:57,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [356045250] [2025-04-14 12:47:57,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:57,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:57,442 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 98 statements into 1 equivalence classes. [2025-04-14 12:47:57,476 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 98 of 98 statements. [2025-04-14 12:47:57,476 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:57,476 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:57,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:57,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:57,622 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-14 12:47:57,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [356045250] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:57,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:57,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:47:57,623 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:57,623 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 99 [2025-04-14 12:47:57,644 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:57,644 INFO L85 PathProgramCache]: Analyzing trace with hash 1882959684, now seen corresponding path program 1 times [2025-04-14 12:47:57,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:57,644 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264688172] [2025-04-14 12:47:57,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:57,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:57,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-04-14 12:47:57,684 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-04-14 12:47:57,684 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:57,684 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-14 12:47:57,889 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:57,889 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264688172] [2025-04-14 12:47:57,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264688172] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:57,889 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1457562518] [2025-04-14 12:47:57,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:57,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:57,909 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-04-14 12:47:57,935 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-04-14 12:47:57,935 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:57,935 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:57,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:47:57,939 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2025-04-14 12:47:58,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1457562518] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:58,047 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:58,047 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 12:47:58,047 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:58,047 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 100 [2025-04-14 12:47:58,086 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:58,086 INFO L85 PathProgramCache]: Analyzing trace with hash -1757798262, now seen corresponding path program 1 times [2025-04-14 12:47:58,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:58,087 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2099655664] [2025-04-14 12:47:58,087 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:58,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:58,111 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-04-14 12:47:58,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-04-14 12:47:58,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:58,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:58,441 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 12:47:58,442 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:58,442 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2099655664] [2025-04-14 12:47:58,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2099655664] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:58,442 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [227442125] [2025-04-14 12:47:58,442 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:58,490 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 101 statements into 1 equivalence classes. [2025-04-14 12:47:58,512 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 101 of 101 statements. [2025-04-14 12:47:58,512 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:58,512 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:58,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 662 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-04-14 12:47:58,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:58,820 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 12:47:58,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [227442125] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:58,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:58,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 25 [2025-04-14 12:47:58,821 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 111 [2025-04-14 12:47:58,821 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:58,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 141 is hopeless, skipping. [2025-04-14 12:47:58,821 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 143 is hopeless, skipping. [2025-04-14 12:47:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 154 [2025-04-14 12:47:58,821 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:58,821 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 159 [2025-04-14 12:47:58,837 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:58,837 INFO L85 PathProgramCache]: Analyzing trace with hash 359081146, now seen corresponding path program 1 times [2025-04-14 12:47:58,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:47:58,837 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719054600] [2025-04-14 12:47:58,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:58,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:58,871 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-04-14 12:47:58,911 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-04-14 12:47:58,911 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:58,911 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:59,318 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2025-04-14 12:47:59,318 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:47:59,318 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [719054600] [2025-04-14 12:47:59,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [719054600] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:59,318 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1189505225] [2025-04-14 12:47:59,318 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:47:59,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:59,343 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 160 statements into 1 equivalence classes. [2025-04-14 12:47:59,375 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 160 of 160 statements. [2025-04-14 12:47:59,375 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:47:59,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:47:59,378 INFO L256 TraceCheckSpWp]: Trace formula consists of 885 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-04-14 12:47:59,379 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:47:59,720 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 12:47:59,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1189505225] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:47:59,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:47:59,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2025-04-14 12:47:59,721 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:47:59,721 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 12:47:59,721 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:59,721 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 170 [2025-04-14 12:47:59,721 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:47:59,721 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 172 [2025-04-14 12:47:59,721 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:47:59,721 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:47:59,721 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:47:59,721 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:47:59,721 INFO L85 PathProgramCache]: Analyzing trace with hash 1663369250, now seen corresponding path program 4 times [2025-04-14 12:47:59,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:47:59,721 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145857861] [2025-04-14 12:47:59,721 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:47:59,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:47:59,747 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 177 statements into 2 equivalence classes. [2025-04-14 12:47:59,775 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 177 of 177 statements. [2025-04-14 12:47:59,775 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:47:59,775 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:00,619 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 12:48:00,619 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:00,619 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145857861] [2025-04-14 12:48:00,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145857861] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:00,619 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [141300729] [2025-04-14 12:48:00,619 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:48:00,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:00,619 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:00,621 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 12:48:00,622 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 12:48:00,911 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 177 statements into 2 equivalence classes. [2025-04-14 12:48:00,983 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 177 of 177 statements. [2025-04-14 12:48:00,983 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:48:00,983 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:00,986 INFO L256 TraceCheckSpWp]: Trace formula consists of 946 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-04-14 12:48:00,988 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:01,652 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 12:48:01,653 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:48:02,252 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-04-14 12:48:02,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [141300729] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:48:02,252 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:48:02,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 69 [2025-04-14 12:48:02,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731989131] [2025-04-14 12:48:02,252 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:48:02,253 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2025-04-14 12:48:02,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:02,254 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2025-04-14 12:48:02,255 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1323, Invalid=3507, Unknown=0, NotChecked=0, Total=4830 [2025-04-14 12:48:02,255 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:02,256 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:02,256 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 6.3428571428571425) internal successors, (444), 69 states have internal predecessors, (444), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:02,256 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:02,589 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:02,598 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 12:48:02,790 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,SelfDestructingSolverStorable61,SelfDestructingSolverStorable62,SelfDestructingSolverStorable63,SelfDestructingSolverStorable64,SelfDestructingSolverStorable65,SelfDestructingSolverStorable56,SelfDestructingSolverStorable57,SelfDestructingSolverStorable58,SelfDestructingSolverStorable59,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:02,791 INFO L403 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:02,791 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:02,791 INFO L139 ounterexampleChecker]: Examining path program with hash 449938236, occurence #8 [2025-04-14 12:48:02,791 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:48:02,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 23 [2025-04-14 12:48:02,791 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:02,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 27 [2025-04-14 12:48:02,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:02,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 30 [2025-04-14 12:48:02,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:02,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 33 [2025-04-14 12:48:02,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:02,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 36 [2025-04-14 12:48:02,791 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:02,791 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 47 [2025-04-14 12:48:02,876 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:02,876 INFO L85 PathProgramCache]: Analyzing trace with hash -2134532082, now seen corresponding path program 1 times [2025-04-14 12:48:02,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:02,876 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726407719] [2025-04-14 12:48:02,876 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:02,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:02,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 48 statements into 1 equivalence classes. [2025-04-14 12:48:02,974 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 48 of 48 statements. [2025-04-14 12:48:02,974 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:02,974 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:48:02,975 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:48:02,975 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:48:02,976 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 105 [2025-04-14 12:48:03,067 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:03,067 INFO L85 PathProgramCache]: Analyzing trace with hash -784960677, now seen corresponding path program 1 times [2025-04-14 12:48:03,067 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:03,067 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835954024] [2025-04-14 12:48:03,067 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:03,087 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-04-14 12:48:03,105 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-04-14 12:48:03,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:03,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:03,290 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:03,290 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:03,290 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835954024] [2025-04-14 12:48:03,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835954024] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:03,290 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1449565699] [2025-04-14 12:48:03,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:03,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:03,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-04-14 12:48:03,339 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-04-14 12:48:03,340 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:03,340 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:03,342 INFO L256 TraceCheckSpWp]: Trace formula consists of 720 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:48:03,343 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:03,469 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:03,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1449565699] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:03,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:03,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2025-04-14 12:48:03,469 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:03,469 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 107 [2025-04-14 12:48:03,483 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:03,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1566808019, now seen corresponding path program 1 times [2025-04-14 12:48:03,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:03,484 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718082700] [2025-04-14 12:48:03,484 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:03,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:03,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-04-14 12:48:03,539 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-04-14 12:48:03,539 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:03,539 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:03,742 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:03,743 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:03,743 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718082700] [2025-04-14 12:48:03,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718082700] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:03,743 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [917572600] [2025-04-14 12:48:03,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:03,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:03,767 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-04-14 12:48:03,790 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-04-14 12:48:03,790 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:03,790 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:03,792 INFO L256 TraceCheckSpWp]: Trace formula consists of 730 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:48:03,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:03,909 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:03,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [917572600] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:03,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:03,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 12:48:03,909 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:03,909 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 108 [2025-04-14 12:48:03,921 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:03,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1326401561, now seen corresponding path program 1 times [2025-04-14 12:48:03,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:03,922 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104203897] [2025-04-14 12:48:03,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:03,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:03,942 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-04-14 12:48:03,961 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-04-14 12:48:03,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:03,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:04,174 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:04,175 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:04,175 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104203897] [2025-04-14 12:48:04,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [104203897] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:04,175 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [1279210099] [2025-04-14 12:48:04,175 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:04,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:04,196 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 109 statements into 1 equivalence classes. [2025-04-14 12:48:04,221 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 109 of 109 statements. [2025-04-14 12:48:04,222 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:04,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:04,224 INFO L256 TraceCheckSpWp]: Trace formula consists of 734 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-04-14 12:48:04,226 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:04,343 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:04,343 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [1279210099] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:04,343 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:04,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2025-04-14 12:48:04,343 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:04,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 119 [2025-04-14 12:48:04,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:04,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 149 is hopeless, skipping. [2025-04-14 12:48:04,343 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 151 is hopeless, skipping. [2025-04-14 12:48:04,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 162 [2025-04-14 12:48:04,343 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:04,343 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 167 [2025-04-14 12:48:04,353 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:04,353 INFO L85 PathProgramCache]: Analyzing trace with hash -900510391, now seen corresponding path program 1 times [2025-04-14 12:48:04,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:04,353 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1262175737] [2025-04-14 12:48:04,353 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:04,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:04,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-14 12:48:04,409 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-14 12:48:04,409 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:04,409 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-04-14 12:48:04,796 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:04,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1262175737] [2025-04-14 12:48:04,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1262175737] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:04,796 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [143949791] [2025-04-14 12:48:04,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:04,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:04,823 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-04-14 12:48:04,859 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-04-14 12:48:04,859 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:04,859 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:04,862 INFO L256 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 12:48:04,864 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:05,099 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-04-14 12:48:05,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [143949791] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:05,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:05,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2025-04-14 12:48:05,100 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:05,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 175 [2025-04-14 12:48:05,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:05,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 178 [2025-04-14 12:48:05,100 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:05,100 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 180 [2025-04-14 12:48:05,100 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:05,100 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:48:05,100 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:05,100 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:05,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1208031326, now seen corresponding path program 5 times [2025-04-14 12:48:05,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:05,100 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407639403] [2025-04-14 12:48:05,100 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:48:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:05,129 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 185 statements into 8 equivalence classes. [2025-04-14 12:48:05,158 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) and asserted 185 of 185 statements. [2025-04-14 12:48:05,158 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2025-04-14 12:48:05,158 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:05,422 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:05,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:05,422 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407639403] [2025-04-14 12:48:05,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407639403] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:48:05,422 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:48:05,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-04-14 12:48:05,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805023935] [2025-04-14 12:48:05,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:48:05,423 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-04-14 12:48:05,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:05,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-04-14 12:48:05,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-04-14 12:48:05,424 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:05,424 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:05,424 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 4 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 12:48:05,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:05,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:05,424 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:05,425 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:05,689 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:05,690 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,SelfDestructingSolverStorable71,SelfDestructingSolverStorable72,SelfDestructingSolverStorable73,SelfDestructingSolverStorable74,SelfDestructingSolverStorable75,SelfDestructingSolverStorable66,SelfDestructingSolverStorable67,SelfDestructingSolverStorable68,SelfDestructingSolverStorable69 [2025-04-14 12:48:05,690 INFO L403 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:05,690 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:05,690 INFO L139 ounterexampleChecker]: Examining path program with hash 2110830611, occurence #1 [2025-04-14 12:48:05,690 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:05,690 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:05,691 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:05,691 INFO L85 PathProgramCache]: Analyzing trace with hash -1346771779, now seen corresponding path program 6 times [2025-04-14 12:48:05,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:05,691 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2032794731] [2025-04-14 12:48:05,691 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:48:05,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:05,752 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 321 statements into 8 equivalence classes. [2025-04-14 12:48:07,110 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) and asserted 309 of 321 statements. [2025-04-14 12:48:07,110 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2025-04-14 12:48:07,110 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:07,297 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:07,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:07,298 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2032794731] [2025-04-14 12:48:07,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2032794731] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:48:07,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:48:07,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-04-14 12:48:07,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878430078] [2025-04-14 12:48:07,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:48:07,298 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-04-14 12:48:07,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:07,298 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-04-14 12:48:07,298 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-04-14 12:48:07,299 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:07,299 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:07,299 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:07,299 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:07,446 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:07,447 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2025-04-14 12:48:07,447 INFO L403 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:07,447 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:07,447 INFO L139 ounterexampleChecker]: Examining path program with hash 377067641, occurence #1 [2025-04-14 12:48:07,447 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:07,447 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:07,448 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:07,448 INFO L85 PathProgramCache]: Analyzing trace with hash -1358231906, now seen corresponding path program 7 times [2025-04-14 12:48:07,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:07,448 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775485089] [2025-04-14 12:48:07,448 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:48:07,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:07,494 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 345 statements into 1 equivalence classes. [2025-04-14 12:48:07,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 345 of 345 statements. [2025-04-14 12:48:07,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:07,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:08,305 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-04-14 12:48:08,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:08,306 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775485089] [2025-04-14 12:48:08,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775485089] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:08,306 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1328659014] [2025-04-14 12:48:08,306 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:48:08,306 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:08,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:08,308 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 12:48:08,308 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 12:48:08,709 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 345 statements into 1 equivalence classes. [2025-04-14 12:48:08,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 345 of 345 statements. [2025-04-14 12:48:08,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:08,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:08,845 INFO L256 TraceCheckSpWp]: Trace formula consists of 1592 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 12:48:08,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:08,896 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:08,896 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 12:48:08,896 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1328659014] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:48:08,896 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:48:08,896 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [8] total 10 [2025-04-14 12:48:08,897 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1297539961] [2025-04-14 12:48:08,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:48:08,897 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:48:08,897 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:08,897 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:48:08,897 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2025-04-14 12:48:08,897 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:08,897 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:08,897 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 18.75) internal successors, (75), 4 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:08,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:08,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:08,897 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:08,898 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:09,062 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:09,063 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:09,082 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 12:48:09,263 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,SelfDestructingSolverStorable77 [2025-04-14 12:48:09,264 INFO L403 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:09,264 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:09,264 INFO L139 ounterexampleChecker]: Examining path program with hash 2088599241, occurence #1 [2025-04-14 12:48:09,264 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:09,264 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:09,264 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:09,264 INFO L85 PathProgramCache]: Analyzing trace with hash 162100451, now seen corresponding path program 8 times [2025-04-14 12:48:09,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:09,265 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1997214075] [2025-04-14 12:48:09,265 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:48:09,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:09,290 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-04-14 12:48:09,328 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-04-14 12:48:09,329 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:48:09,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2025-04-14 12:48:09,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:09,676 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1997214075] [2025-04-14 12:48:09,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1997214075] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:09,677 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561488774] [2025-04-14 12:48:09,677 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:48:09,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:09,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:09,678 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 12:48:09,679 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 12:48:10,045 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 161 statements into 2 equivalence classes. [2025-04-14 12:48:10,129 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 161 of 161 statements. [2025-04-14 12:48:10,130 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-04-14 12:48:10,130 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:10,133 INFO L256 TraceCheckSpWp]: Trace formula consists of 913 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 12:48:10,135 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:10,350 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-04-14 12:48:10,350 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:48:10,630 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2025-04-14 12:48:10,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561488774] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:48:10,630 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:48:10,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 10] total 27 [2025-04-14 12:48:10,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784020502] [2025-04-14 12:48:10,630 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:48:10,630 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2025-04-14 12:48:10,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:10,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2025-04-14 12:48:10,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=581, Unknown=0, NotChecked=0, Total=702 [2025-04-14 12:48:10,631 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:10,631 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:10,631 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 9.481481481481481) internal successors, (256), 27 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:10,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:10,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:10,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:10,631 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:10,632 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:11,745 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:11,746 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:11,754 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 12:48:11,946 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable78 [2025-04-14 12:48:11,946 INFO L403 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:11,946 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:11,947 INFO L139 ounterexampleChecker]: Examining path program with hash 1004290155, occurence #1 [2025-04-14 12:48:11,947 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:11,947 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:11,947 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:11,947 INFO L85 PathProgramCache]: Analyzing trace with hash 446487293, now seen corresponding path program 9 times [2025-04-14 12:48:11,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:11,947 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166128866] [2025-04-14 12:48:11,947 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:48:11,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:11,990 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 8 equivalence classes. [2025-04-14 12:48:12,037 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 143 of 204 statements. [2025-04-14 12:48:12,038 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:48:12,038 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:12,276 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2025-04-14 12:48:12,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:12,276 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166128866] [2025-04-14 12:48:12,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166128866] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:12,276 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1780903819] [2025-04-14 12:48:12,277 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:48:12,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:12,277 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:12,278 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 12:48:12,279 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 12:48:12,668 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 204 statements into 8 equivalence classes. [2025-04-14 12:48:12,841 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 143 of 204 statements. [2025-04-14 12:48:12,841 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:48:12,841 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:12,844 INFO L256 TraceCheckSpWp]: Trace formula consists of 774 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-04-14 12:48:12,847 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-04-14 12:48:13,032 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:48:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2025-04-14 12:48:13,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1780903819] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:48:13,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:48:13,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2025-04-14 12:48:13,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [703200353] [2025-04-14 12:48:13,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:48:13,246 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-04-14 12:48:13,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:13,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-04-14 12:48:13,247 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2025-04-14 12:48:13,247 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:13,247 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:13,247 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 7.238095238095238) internal successors, (152), 21 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:13,247 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,248 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:13,248 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:13,248 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:13,632 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:13,641 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 12:48:13,833 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,SelfDestructingSolverStorable79 [2025-04-14 12:48:13,833 INFO L403 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:13,833 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:13,833 INFO L139 ounterexampleChecker]: Examining path program with hash 1004290155, occurence #2 [2025-04-14 12:48:13,833 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:48:13,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 25 [2025-04-14 12:48:13,834 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:13,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 12:48:13,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:13,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 34 [2025-04-14 12:48:13,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:13,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 12:48:13,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:13,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 12:48:13,834 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:13,834 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 51 [2025-04-14 12:48:13,914 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:13,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1458405638, now seen corresponding path program 1 times [2025-04-14 12:48:13,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:13,914 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431310234] [2025-04-14 12:48:13,914 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:13,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:13,929 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 52 statements into 1 equivalence classes. [2025-04-14 12:48:13,998 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 52 of 52 statements. [2025-04-14 12:48:13,998 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:13,998 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:48:14,000 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:48:14,000 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:48:14,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 96 [2025-04-14 12:48:14,000 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:14,000 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 124 is hopeless, skipping. [2025-04-14 12:48:14,000 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 143 [2025-04-14 12:48:14,013 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:14,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2024816890, now seen corresponding path program 1 times [2025-04-14 12:48:14,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:14,013 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141528139] [2025-04-14 12:48:14,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:14,039 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-04-14 12:48:14,063 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-04-14 12:48:14,063 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:14,064 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:14,419 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:14,420 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:14,420 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141528139] [2025-04-14 12:48:14,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141528139] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:14,420 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [2011808401] [2025-04-14 12:48:14,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:14,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:14,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 144 statements into 1 equivalence classes. [2025-04-14 12:48:14,477 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 144 of 144 statements. [2025-04-14 12:48:14,477 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:14,477 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:14,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 12:48:14,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:14,752 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2025-04-14 12:48:14,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [2011808401] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:14,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:14,752 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 12:48:14,752 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:14,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 182 [2025-04-14 12:48:14,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:14,752 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 187 is hopeless, skipping. [2025-04-14 12:48:14,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 195 [2025-04-14 12:48:14,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:14,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 198 [2025-04-14 12:48:14,752 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:14,752 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 200 [2025-04-14 12:48:14,752 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:14,752 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:48:14,752 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:14,753 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:14,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1433016905, now seen corresponding path program 10 times [2025-04-14 12:48:14,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:14,753 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045671274] [2025-04-14 12:48:14,753 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:48:14,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:14,785 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 205 statements into 2 equivalence classes. [2025-04-14 12:48:14,819 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-04-14 12:48:14,820 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:48:14,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 50 proven. 108 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 12:48:16,021 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:16,021 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045671274] [2025-04-14 12:48:16,021 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045671274] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:16,021 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [52569969] [2025-04-14 12:48:16,021 INFO L95 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2025-04-14 12:48:16,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:16,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:16,023 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:48:16,024 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-04-14 12:48:16,438 INFO L108 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST partitioned 205 statements into 2 equivalence classes. [2025-04-14 12:48:16,524 INFO L111 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) and asserted 205 of 205 statements. [2025-04-14 12:48:16,525 INFO L114 AnnotateAndAsserter]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 2 check-sat command(s) [2025-04-14 12:48:16,525 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:16,529 INFO L256 TraceCheckSpWp]: Trace formula consists of 1106 conjuncts, 39 conjuncts are in the unsatisfiable core [2025-04-14 12:48:16,532 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:17,515 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 53 proven. 105 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 12:48:17,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:48:18,520 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 50 proven. 108 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2025-04-14 12:48:18,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [52569969] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:48:18,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:48:18,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 105 [2025-04-14 12:48:18,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825277572] [2025-04-14 12:48:18,521 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:48:18,521 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2025-04-14 12:48:18,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:18,523 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2025-04-14 12:48:18,524 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2597, Invalid=8533, Unknown=0, NotChecked=0, Total=11130 [2025-04-14 12:48:18,524 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:18,524 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:18,525 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 4.839622641509434) internal successors, (513), 105 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:18,525 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:19,006 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:19,007 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:19,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-04-14 12:48:19,207 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable80,SelfDestructingSolverStorable81,SelfDestructingSolverStorable82,SelfDestructingSolverStorable83,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:19,207 INFO L403 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:19,208 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:19,208 INFO L139 ounterexampleChecker]: Examining path program with hash 1004290155, occurence #3 [2025-04-14 12:48:19,208 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:48:19,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 31 [2025-04-14 12:48:19,208 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:19,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 37 [2025-04-14 12:48:19,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:19,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 40 [2025-04-14 12:48:19,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:19,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 43 [2025-04-14 12:48:19,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:19,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 46 [2025-04-14 12:48:19,208 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:19,208 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 57 [2025-04-14 12:48:19,286 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:19,286 INFO L85 PathProgramCache]: Analyzing trace with hash 1518090592, now seen corresponding path program 1 times [2025-04-14 12:48:19,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:19,286 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197346335] [2025-04-14 12:48:19,286 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:19,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:19,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 58 statements into 1 equivalence classes. [2025-04-14 12:48:19,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 58 of 58 statements. [2025-04-14 12:48:19,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:19,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:48:19,419 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:48:19,419 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:48:19,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 102 [2025-04-14 12:48:19,419 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:19,419 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 130 is hopeless, skipping. [2025-04-14 12:48:19,419 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 149 [2025-04-14 12:48:19,433 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:19,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1007790944, now seen corresponding path program 1 times [2025-04-14 12:48:19,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:19,434 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [477655239] [2025-04-14 12:48:19,434 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:19,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:19,464 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-14 12:48:19,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-14 12:48:19,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:19,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:19,869 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 7 proven. 18 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2025-04-14 12:48:19,869 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:19,869 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [477655239] [2025-04-14 12:48:19,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [477655239] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:19,869 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [644572771] [2025-04-14 12:48:19,869 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:19,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:19,899 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 150 statements into 1 equivalence classes. [2025-04-14 12:48:19,932 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 150 of 150 statements. [2025-04-14 12:48:19,933 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:19,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:19,936 INFO L256 TraceCheckSpWp]: Trace formula consists of 940 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-04-14 12:48:19,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:20,242 INFO L134 CoverageAnalysis]: Checked inductivity of 251 backedges. 10 proven. 15 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2025-04-14 12:48:20,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [644572771] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:20,242 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:20,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 25 [2025-04-14 12:48:20,242 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:20,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 188 [2025-04-14 12:48:20,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:20,242 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 193 is hopeless, skipping. [2025-04-14 12:48:20,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 201 [2025-04-14 12:48:20,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:20,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 204 [2025-04-14 12:48:20,242 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:20,242 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 206 [2025-04-14 12:48:20,242 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:20,242 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:48:20,243 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:20,243 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:20,243 INFO L85 PathProgramCache]: Analyzing trace with hash 793431017, now seen corresponding path program 11 times [2025-04-14 12:48:20,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:20,243 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359898675] [2025-04-14 12:48:20,243 INFO L95 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2025-04-14 12:48:20,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:20,278 INFO L108 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 partitioned 211 statements into 11 equivalence classes. [2025-04-14 12:48:20,465 INFO L111 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) and asserted 211 of 211 statements. [2025-04-14 12:48:20,465 INFO L114 AnnotateAndAsserter]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2025-04-14 12:48:20,465 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:20,777 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 291 trivial. 0 not checked. [2025-04-14 12:48:20,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:20,778 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359898675] [2025-04-14 12:48:20,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359898675] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:48:20,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:48:20,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-04-14 12:48:20,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852503289] [2025-04-14 12:48:20,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:48:20,778 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-04-14 12:48:20,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:20,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-04-14 12:48:20,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-04-14 12:48:20,778 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:20,778 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:20,779 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.0) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:20,779 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:21,008 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:21,009 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:21,009 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable84,SelfDestructingSolverStorable85,SelfDestructingSolverStorable86,SelfDestructingSolverStorable87 [2025-04-14 12:48:21,009 INFO L403 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:21,009 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:21,009 INFO L139 ounterexampleChecker]: Examining path program with hash -668846087, occurence #1 [2025-04-14 12:48:21,009 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:21,009 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:21,010 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:21,010 INFO L85 PathProgramCache]: Analyzing trace with hash -683311895, now seen corresponding path program 12 times [2025-04-14 12:48:21,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:21,010 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835592928] [2025-04-14 12:48:21,010 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:48:21,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:21,053 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 259 statements into 11 equivalence classes. [2025-04-14 12:48:21,483 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 234 of 259 statements. [2025-04-14 12:48:21,483 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 12:48:21,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:22,157 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 26 proven. 46 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2025-04-14 12:48:22,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:22,158 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835592928] [2025-04-14 12:48:22,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835592928] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:22,158 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1811024382] [2025-04-14 12:48:22,158 INFO L95 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2025-04-14 12:48:22,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:22,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:22,160 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:48:22,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-04-14 12:48:22,623 INFO L108 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE partitioned 259 statements into 11 equivalence classes. [2025-04-14 12:48:36,982 INFO L111 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) and asserted 234 of 259 statements. [2025-04-14 12:48:36,982 INFO L114 AnnotateAndAsserter]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2025-04-14 12:48:36,982 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:36,992 INFO L256 TraceCheckSpWp]: Trace formula consists of 1169 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-04-14 12:48:36,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:37,304 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2025-04-14 12:48:37,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-04-14 12:48:37,634 INFO L134 CoverageAnalysis]: Checked inductivity of 341 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2025-04-14 12:48:37,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1811024382] provided 0 perfect and 2 imperfect interpolant sequences [2025-04-14 12:48:37,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-04-14 12:48:37,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 29 [2025-04-14 12:48:37,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720719766] [2025-04-14 12:48:37,634 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-04-14 12:48:37,635 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-04-14 12:48:37,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:37,635 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-04-14 12:48:37,635 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=684, Unknown=0, NotChecked=0, Total=812 [2025-04-14 12:48:37,635 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:37,635 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:37,636 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 9.068965517241379) internal successors, (263), 29 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:37,636 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:38,488 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:38,488 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:38,488 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:38,489 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:38,490 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:48:38,502 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-04-14 12:48:38,690 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable88 [2025-04-14 12:48:38,690 INFO L403 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:38,691 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:38,691 INFO L139 ounterexampleChecker]: Examining path program with hash -668846087, occurence #2 [2025-04-14 12:48:38,691 INFO L145 ounterexampleChecker]: Trying to synthesize and prove commutativity condition. [2025-04-14 12:48:38,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 32 [2025-04-14 12:48:38,691 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:38,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 39 [2025-04-14 12:48:38,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:38,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 42 [2025-04-14 12:48:38,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:38,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 45 [2025-04-14 12:48:38,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:38,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 48 [2025-04-14 12:48:38,691 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:38,691 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 59 [2025-04-14 12:48:38,767 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:38,767 INFO L85 PathProgramCache]: Analyzing trace with hash 883865726, now seen corresponding path program 1 times [2025-04-14 12:48:38,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:38,767 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287138049] [2025-04-14 12:48:38,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:38,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:38,786 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-04-14 12:48:38,869 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-04-14 12:48:38,869 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:38,869 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is sat [2025-04-14 12:48:38,871 INFO L130 FreeRefinementEngine]: Strategy SMTINTERPOL found a feasible trace [2025-04-14 12:48:38,872 INFO L180 ounterexampleChecker]: Commutativity condition check vielded CONDITION_NOT_SATISFIED. Marking as hopeless. [2025-04-14 12:48:38,872 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 79 is hopeless, skipping. [2025-04-14 12:48:38,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 152 [2025-04-14 12:48:38,872 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:38,872 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 180 is hopeless, skipping. [2025-04-14 12:48:38,872 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 199 [2025-04-14 12:48:38,884 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:38,884 INFO L85 PathProgramCache]: Analyzing trace with hash -1407930754, now seen corresponding path program 1 times [2025-04-14 12:48:38,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy SMTINTERPOL [2025-04-14 12:48:38,884 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855339933] [2025-04-14 12:48:38,884 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:38,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:38,920 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-04-14 12:48:38,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-04-14 12:48:38,961 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:38,961 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:39,412 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 7 proven. 25 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2025-04-14 12:48:39,412 INFO L136 FreeRefinementEngine]: Strategy SMTINTERPOL found an infeasible trace [2025-04-14 12:48:39,412 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855339933] [2025-04-14 12:48:39,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855339933] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:39,412 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolSpWp [670000135] [2025-04-14 12:48:39,412 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-04-14 12:48:39,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:39,447 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-04-14 12:48:39,495 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-04-14 12:48:39,495 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:39,495 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:39,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 1132 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-04-14 12:48:39,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:39,792 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 22 proven. 10 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2025-04-14 12:48:39,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolSpWp [670000135] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:39,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-04-14 12:48:39,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 21 [2025-04-14 12:48:39,792 INFO L195 ounterexampleChecker]: Commutativity condition check failed due to imperfect proof (attempt 1 of 1). [2025-04-14 12:48:39,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 238 [2025-04-14 12:48:39,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:39,793 INFO L162 ounterexampleChecker]: Commutativity condition check at non-minimality point 243 is hopeless, skipping. [2025-04-14 12:48:39,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 251 [2025-04-14 12:48:39,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:39,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 254 [2025-04-14 12:48:39,793 INFO L209 ounterexampleChecker]: No commutativity condition found. [2025-04-14 12:48:39,793 INFO L166 ounterexampleChecker]: Performing commutativity condition check at non-minimality point 256 [2025-04-14 12:48:39,793 WARN L190 ounterexampleChecker]: Statements were already independent. [2025-04-14 12:48:39,793 WARN L214 ounterexampleChecker]: Failed to synthesize and prove commutativity condition. [2025-04-14 12:48:39,793 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:39,793 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:39,793 INFO L85 PathProgramCache]: Analyzing trace with hash 903512599, now seen corresponding path program 13 times [2025-04-14 12:48:39,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:39,793 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437652136] [2025-04-14 12:48:39,793 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:48:39,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:39,832 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-04-14 12:48:39,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-04-14 12:48:39,900 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:39,900 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:42,039 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 80 proven. 230 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-04-14 12:48:42,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:42,039 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437652136] [2025-04-14 12:48:42,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437652136] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:42,039 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763185597] [2025-04-14 12:48:42,039 INFO L95 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2025-04-14 12:48:42,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:42,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:42,041 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:48:42,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-04-14 12:48:42,537 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 261 statements into 1 equivalence classes. [2025-04-14 12:48:42,641 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 261 of 261 statements. [2025-04-14 12:48:42,641 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-04-14 12:48:42,641 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:42,647 INFO L256 TraceCheckSpWp]: Trace formula consists of 1352 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-04-14 12:48:42,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:48:42,729 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2025-04-14 12:48:42,729 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-04-14 12:48:42,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763185597] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:48:42,729 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-04-14 12:48:42,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [50] total 53 [2025-04-14 12:48:42,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [542058792] [2025-04-14 12:48:42,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:48:42,729 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-04-14 12:48:42,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:42,730 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-04-14 12:48:42,730 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=593, Invalid=2163, Unknown=0, NotChecked=0, Total=2756 [2025-04-14 12:48:42,730 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:42,730 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:42,731 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 20.0) internal successors, (80), 4 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:48:42,731 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:43,051 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:48:43,052 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:43,062 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-04-14 12:48:43,252 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable90,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable91,SelfDestructingSolverStorable92,SelfDestructingSolverStorable89 [2025-04-14 12:48:43,253 INFO L403 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:43,253 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:43,253 INFO L139 ounterexampleChecker]: Examining path program with hash 674316393, occurence #1 [2025-04-14 12:48:43,253 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:43,253 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:43,253 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:43,253 INFO L85 PathProgramCache]: Analyzing trace with hash -992602751, now seen corresponding path program 14 times [2025-04-14 12:48:43,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:43,253 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601749654] [2025-04-14 12:48:43,253 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-04-14 12:48:43,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:43,273 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 89 statements into 2 equivalence classes. [2025-04-14 12:48:43,291 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) and asserted 55 of 89 statements. [2025-04-14 12:48:43,291 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2025-04-14 12:48:43,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-04-14 12:48:44,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:44,365 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601749654] [2025-04-14 12:48:44,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601749654] provided 1 perfect and 0 imperfect interpolant sequences [2025-04-14 12:48:44,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-04-14 12:48:44,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2025-04-14 12:48:44,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93323185] [2025-04-14 12:48:44,365 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-04-14 12:48:44,365 INFO L562 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-04-14 12:48:44,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-04-14 12:48:44,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-04-14 12:48:44,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2025-04-14 12:48:44,366 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:44,366 INFO L485 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2025-04-14 12:48:44,366 INFO L486 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2777777777777777) internal successors, (59), 17 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 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:44,366 INFO L153 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:45,077 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-04-14 12:48:45,078 INFO L140 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-04-14 12:48:45,078 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable93 [2025-04-14 12:48:45,079 INFO L403 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2025-04-14 12:48:45,079 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis. [2025-04-14 12:48:45,079 INFO L139 ounterexampleChecker]: Examining path program with hash -773268991, occurence #1 [2025-04-14 12:48:45,079 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping... [2025-04-14 12:48:45,079 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check. [2025-04-14 12:48:45,079 INFO L155 PredicateUnifier]: Initialized classic predicate unifier [2025-04-14 12:48:45,079 INFO L85 PathProgramCache]: Analyzing trace with hash -60919007, now seen corresponding path program 15 times [2025-04-14 12:48:45,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-04-14 12:48:45,079 INFO L324 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135605416] [2025-04-14 12:48:45,079 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:48:45,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-04-14 12:48:45,101 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 109 statements into 11 equivalence classes. [2025-04-14 12:48:45,172 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 83 of 109 statements. [2025-04-14 12:48:45,172 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:48:45,172 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:48,219 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-04-14 12:48:48,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-04-14 12:48:48,219 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135605416] [2025-04-14 12:48:48,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1135605416] provided 0 perfect and 1 imperfect interpolant sequences [2025-04-14 12:48:48,219 INFO L324 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236161555] [2025-04-14 12:48:48,219 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-04-14 12:48:48,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-04-14 12:48:48,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-04-14 12:48:48,221 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-04-14 12:48:48,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-04-14 12:48:48,696 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 109 statements into 11 equivalence classes. [2025-04-14 12:48:48,976 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 83 of 109 statements. [2025-04-14 12:48:48,977 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-04-14 12:48:48,977 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-04-14 12:48:48,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 552 conjuncts, 107 conjuncts are in the unsatisfiable core [2025-04-14 12:48:48,987 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-04-14 12:49:14,170 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2025-04-14 12:49:14,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2025-04-14 13:01:38,690 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 13:01:38,694 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 13:01:38,694 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2025-04-14 13:01:39,706 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:39,707 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-04-14 13:01:39,716 WARN L310 FreeRefinementEngine]: Global settings require throwing the following exception [2025-04-14 13:01:39,717 WARN L466 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable94 [2025-04-14 13:01:39,717 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne3(DualJunctionSaa.java:170) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne2(DualJunctionSaa.java:149) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne1(DualJunctionSaa.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne0(DualJunctionSaa.java:120) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminateOne(DualJunctionSaa.java:106) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryExhaustivelyToEliminate(DualJunctionSaa.java:91) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:86) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:542) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:521) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:514) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:325) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:191) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:103) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:99) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:305) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:285) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:56) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:234) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:416) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:395) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:267) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:325) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:181) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isCounterexampleFeasible(PartialOrderCegarLoop.java:320) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:349) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:331) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:427) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:315) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:132) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack at de.uni_freiburg.informatik.ultimate.logic.NoopScript.pop(NoopScript.java:272) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:138) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.pop(UndoableWrapperScript.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.restore(UndoableWrapperScript.java:87) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:226) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:318) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1(Elim1Store.java:323) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyComplexEliminationRules(ElimStorePlain.java:223) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:188) ... 55 more [2025-04-14 13:01:39,723 INFO L158 Benchmark]: Toolchain (without parser) took 852926.07ms. Allocated memory was 125.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 88.7MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2025-04-14 13:01:39,724 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:01:39,724 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.98ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 71.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2025-04-14 13:01:39,724 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.32ms. Allocated memory is still 125.8MB. Free memory was 71.2MB in the beginning and 68.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 8.0GB. [2025-04-14 13:01:39,724 INFO L158 Benchmark]: Boogie Preprocessor took 57.57ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 65.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. [2025-04-14 13:01:39,725 INFO L158 Benchmark]: RCFGBuilder took 860.64ms. Allocated memory is still 125.8MB. Free memory was 65.7MB in the beginning and 66.4MB in the end (delta: -616.4kB). Peak memory consumption was 54.4MB. Max. memory is 8.0GB. [2025-04-14 13:01:39,725 INFO L158 Benchmark]: TraceAbstraction took 851701.77ms. Allocated memory was 125.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 65.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2025-04-14 13:01:39,726 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 155.2MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 254.98ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 71.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 47.32ms. Allocated memory is still 125.8MB. Free memory was 71.2MB in the beginning and 68.4MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 8.0GB. * Boogie Preprocessor took 57.57ms. Allocated memory is still 125.8MB. Free memory was 68.4MB in the beginning and 65.7MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB. * RCFGBuilder took 860.64ms. Allocated memory is still 125.8MB. Free memory was 65.7MB in the beginning and 66.4MB in the end (delta: -616.4kB). Peak memory consumption was 54.4MB. Max. memory is 8.0GB. * TraceAbstraction took 851701.77ms. Allocated memory was 125.8MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 65.6MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Not enough levels on assertion stack: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionSaa.tryToEliminate(DualJunctionSaa.java:190) RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown