/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 23:52:41,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 23:52:41,809 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 23:52:41,813 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 23:52:41,814 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 23:52:41,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 23:52:41,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 23:52:41,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 23:52:41,833 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 23:52:41,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 23:52:41,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 23:52:41,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 23:52:41,835 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 23:52:41,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 23:52:41,836 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 23:52:41,836 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 23:52:41,836 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 23:52:41,836 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 23:52:41,837 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 23:52:41,837 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 23:52:41,837 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 23:52:41,838 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 23:52:41,838 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 23:52:41,838 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 23:52:41,839 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 23:52:41,839 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 23:52:41,839 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 23:52:41,840 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 23:52:41,840 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 23:52:41,840 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 23:52:41,841 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 23:52:41,841 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 23:52:41,841 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 23:52:41,842 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 23:52:41,842 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 23:52:41,842 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 23:52:41,843 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 23:52:41,843 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 23:52:41,843 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 23:52:41,843 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-03 23:52:42,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 23:52:42,064 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 23:52:42,067 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 23:52:42,069 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 23:52:42,069 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 23:52:42,070 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-04-03 23:52:43,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 23:52:43,496 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 23:52:43,496 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-04-03 23:52:43,503 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc2b83be5/f93308dda6664fbca928432fa23f7789/FLAG4c11d3296 [2024-04-03 23:52:43,515 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cc2b83be5/f93308dda6664fbca928432fa23f7789 [2024-04-03 23:52:43,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 23:52:43,519 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 23:52:43,521 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 23:52:43,521 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 23:52:43,529 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 23:52:43,530 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,531 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd293c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43, skipping insertion in model container [2024-04-03 23:52:43,531 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,552 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 23:52:43,760 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2024-04-03 23:52:43,768 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 23:52:43,783 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 23:52:43,809 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c[2476,2489] [2024-04-03 23:52:43,810 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 23:52:43,821 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 23:52:43,822 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 23:52:43,828 INFO L206 MainTranslator]: Completed translation [2024-04-03 23:52:43,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43 WrapperNode [2024-04-03 23:52:43,828 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 23:52:43,829 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 23:52:43,830 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 23:52:43,830 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 23:52:43,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,842 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,866 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2024-04-03 23:52:43,867 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 23:52:43,867 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 23:52:43,868 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 23:52:43,868 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 23:52:43,875 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,878 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,878 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,882 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,886 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,887 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,888 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,891 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 23:52:43,891 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 23:52:43,892 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 23:52:43,892 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 23:52:43,893 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (1/1) ... [2024-04-03 23:52:43,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 23:52:43,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:43,937 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-03 23:52:43,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-03 23:52:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 23:52:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-03 23:52:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-03 23:52:43,990 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-03 23:52:43,990 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-03 23:52:43,991 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-03 23:52:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-03 23:52:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-03 23:52:43,992 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-03 23:52:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 23:52:43,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 23:52:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 23:52:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-03 23:52:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-03 23:52:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 23:52:43,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 23:52:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 23:52:43,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 23:52:43,996 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 23:52:44,139 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 23:52:44,141 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 23:52:44,426 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 23:52:44,492 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 23:52:44,492 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-03 23:52:44,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 11:52:44 BoogieIcfgContainer [2024-04-03 23:52:44,494 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 23:52:44,496 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 23:52:44,496 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 23:52:44,500 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 23:52:44,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 11:52:43" (1/3) ... [2024-04-03 23:52:44,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd9f9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 11:52:44, skipping insertion in model container [2024-04-03 23:52:44,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 11:52:43" (2/3) ... [2024-04-03 23:52:44,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5cd9f9a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 11:52:44, skipping insertion in model container [2024-04-03 23:52:44,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 11:52:44" (3/3) ... [2024-04-03 23:52:44,502 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-04-03 23:52:44,512 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 23:52:44,522 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 23:52:44,522 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 23:52:44,522 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 23:52:44,612 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-03 23:52:44,660 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 23:52:44,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 23:52:44,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:44,662 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 23:52:44,663 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-03 23:52:44,692 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 23:52:44,702 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:44,704 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 23:52:44,710 INFO L357 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, mHoare=true, 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;@2e6b29a5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 23:52:44,710 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-03 23:52:46,922 INFO L420 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)] === [2024-04-03 23:52:46,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:46,927 INFO L85 PathProgramCache]: Analyzing trace with hash 326408110, now seen corresponding path program 1 times [2024-04-03 23:52:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:46,936 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [741121766] [2024-04-03 23:52:46,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:46,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-04-03 23:52:47,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:47,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [741121766] [2024-04-03 23:52:47,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [741121766] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:52:47,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 23:52:47,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 23:52:47,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513587055] [2024-04-03 23:52:47,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:52:47,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 23:52:47,226 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:47,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 23:52:47,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 23:52:47,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:47,858 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:47,859 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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) [2024-04-03 23:52:47,859 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:49,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:49,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 23:52:49,118 INFO L420 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)] === [2024-04-03 23:52:49,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:49,120 INFO L85 PathProgramCache]: Analyzing trace with hash 980397473, now seen corresponding path program 1 times [2024-04-03 23:52:49,120 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:49,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [877748009] [2024-04-03 23:52:49,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:49,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:49,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-03 23:52:49,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:49,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [877748009] [2024-04-03 23:52:49,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [877748009] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:52:49,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1608242241] [2024-04-03 23:52:49,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:49,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:52:49,679 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:49,907 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:52:49,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 23:52:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:50,028 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-03 23:52:50,072 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:52:50,301 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-03 23:52:50,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:52:50,444 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-04-03 23:52:50,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1608242241] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:52:50,444 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:52:50,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-04-03 23:52:50,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829683270] [2024-04-03 23:52:50,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:52:50,449 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-04-03 23:52:50,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-04-03 23:52:50,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-04-03 23:52:50,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:50,663 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:50,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.904761904761905) internal successors, (208), 21 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 23:52:50,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:50,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:54,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:54,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:52:54,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-03 23:52:54,504 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2024-04-03 23:52:54,505 INFO L420 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)] === [2024-04-03 23:52:54,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:52:54,506 INFO L85 PathProgramCache]: Analyzing trace with hash 820020630, now seen corresponding path program 2 times [2024-04-03 23:52:54,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:52:54,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452730983] [2024-04-03 23:52:54,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:52:54,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:52:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:52:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-03 23:52:55,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:52:55,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452730983] [2024-04-03 23:52:55,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452730983] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:52:55,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1873249621] [2024-04-03 23:52:55,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 23:52:55,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:52:55,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:52:55,620 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:52:55,638 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 23:52:55,742 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 23:52:55,742 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:52:55,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-03 23:52:55,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:52:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 44 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-03 23:52:56,242 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:52:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-03 23:52:56,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1873249621] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:52:56,533 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:52:56,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 8] total 43 [2024-04-03 23:52:56,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641035965] [2024-04-03 23:52:56,534 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:52:56,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-04-03 23:52:56,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:52:56,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-04-03 23:52:56,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2024-04-03 23:52:56,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:56,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:52:56,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.488372093023256) internal successors, (279), 43 states have internal predecessors, (279), 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) [2024-04-03 23:52:56,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:52:56,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:52:56,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:06,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:06,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:06,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-03 23:53:06,594 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:06,595 INFO L420 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)] === [2024-04-03 23:53:06,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:53:06,596 INFO L85 PathProgramCache]: Analyzing trace with hash -2027470836, now seen corresponding path program 3 times [2024-04-03 23:53:06,596 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:53:06,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784921127] [2024-04-03 23:53:06,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:53:06,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:53:06,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 306 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-04-03 23:53:07,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784921127] [2024-04-03 23:53:07,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784921127] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:07,350 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1652564891] [2024-04-03 23:53:07,350 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 23:53:07,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:07,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:07,372 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:53:07,374 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 23:53:07,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-03 23:53:07,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:53:07,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-03 23:53:07,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:53:08,488 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-03 23:53:08,489 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:53:08,890 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 252 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-04-03 23:53:08,891 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1652564891] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:53:08,891 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:53:08,891 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 13] total 44 [2024-04-03 23:53:08,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1610167437] [2024-04-03 23:53:08,891 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:53:08,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-03 23:53:08,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:53:09,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-03 23:53:09,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1720, Unknown=0, NotChecked=0, Total=1892 [2024-04-03 23:53:09,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:09,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:53:09,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.636363636363637) internal successors, (336), 44 states have internal predecessors, (336), 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) [2024-04-03 23:53:09,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:09,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:09,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:09,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:12,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:12,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-03 23:53:12,165 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-03 23:53:12,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:12,363 INFO L420 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)] === [2024-04-03 23:53:12,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:53:12,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1897084805, now seen corresponding path program 4 times [2024-04-03 23:53:12,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:53:12,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181479419] [2024-04-03 23:53:12,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:53:12,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:53:12,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:12,710 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-04-03 23:53:12,710 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:12,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181479419] [2024-04-03 23:53:12,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181479419] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:12,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [448261206] [2024-04-03 23:53:12,714 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 23:53:12,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:12,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:12,716 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:53:12,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-03 23:53:12,850 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 23:53:12,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:53:12,852 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-03 23:53:12,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:53:13,032 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-04-03 23:53:13,033 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 23:53:13,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [448261206] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 23:53:13,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 23:53:13,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-04-03 23:53:13,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1720146430] [2024-04-03 23:53:13,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 23:53:13,035 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-03 23:53:13,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:53:13,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-03 23:53:13,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-04-03 23:53:13,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:13,294 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:53:13,295 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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) [2024-04-03 23:53:13,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:13,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:13,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:13,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-03 23:53:13,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:13,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-04-03 23:53:13,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:13,520 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-03 23:53:13,718 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:13,718 INFO L420 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)] === [2024-04-03 23:53:13,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:53:13,719 INFO L85 PathProgramCache]: Analyzing trace with hash 1120862621, now seen corresponding path program 5 times [2024-04-03 23:53:13,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:53:13,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676707330] [2024-04-03 23:53:13,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:53:13,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:53:13,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:14,317 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 43 proven. 99 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-04-03 23:53:14,318 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676707330] [2024-04-03 23:53:14,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676707330] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:14,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069112994] [2024-04-03 23:53:14,318 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 23:53:14,319 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:14,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:14,321 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:53:14,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-03 23:53:14,458 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-03 23:53:14,459 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:53:14,461 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-03 23:53:14,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:53:15,420 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:53:15,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:53:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-04-03 23:53:15,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069112994] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:53:15,757 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:53:15,757 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 8] total 48 [2024-04-03 23:53:15,757 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098784863] [2024-04-03 23:53:15,759 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:53:15,762 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-04-03 23:53:15,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:53:16,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-04-03 23:53:16,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2024-04-03 23:53:16,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:16,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:53:16,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.291666666666667) internal successors, (350), 48 states have internal predecessors, (350), 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) [2024-04-03 23:53:16,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:16,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:16,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:16,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-04-03 23:53:16,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:16,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:29,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-04-03 23:53:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:29,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-04-03 23:53:29,283 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-03 23:53:29,479 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:29,480 INFO L420 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)] === [2024-04-03 23:53:29,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:53:29,480 INFO L85 PathProgramCache]: Analyzing trace with hash -1025755341, now seen corresponding path program 6 times [2024-04-03 23:53:29,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:53:29,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993561602] [2024-04-03 23:53:29,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:53:29,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:53:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:30,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 421 proven. 368 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-04-03 23:53:30,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:30,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993561602] [2024-04-03 23:53:30,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993561602] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:30,144 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1104725141] [2024-04-03 23:53:30,144 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-03 23:53:30,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:30,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:30,146 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:53:30,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-03 23:53:30,369 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-04-03 23:53:30,369 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:53:30,373 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 50 conjunts are in the unsatisfiable core [2024-04-03 23:53:30,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:53:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 1387 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 23:53:31,942 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:53:32,485 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 422 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2024-04-03 23:53:32,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1104725141] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:53:32,485 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:53:32,485 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 51, 12] total 65 [2024-04-03 23:53:32,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003048380] [2024-04-03 23:53:32,486 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:53:32,486 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-03 23:53:32,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:53:33,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-03 23:53:33,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3848, Unknown=0, NotChecked=0, Total=4160 [2024-04-03 23:53:33,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:33,212 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:53:33,212 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.953846153846154) internal successors, (517), 65 states have internal predecessors, (517), 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) [2024-04-03 23:53:33,212 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-04-03 23:53:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-04-03 23:53:33,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:53:45,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:45,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:53:45,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-04-03 23:53:45,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-03 23:53:45,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-04-03 23:53:45,942 INFO L420 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)] === [2024-04-03 23:53:45,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:53:45,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1913009366, now seen corresponding path program 7 times [2024-04-03 23:53:45,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:53:45,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1915790995] [2024-04-03 23:53:45,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:53:45,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:53:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:48,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1 proven. 587 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2024-04-03 23:53:48,271 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:48,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1915790995] [2024-04-03 23:53:48,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1915790995] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:48,271 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [133517025] [2024-04-03 23:53:48,271 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-03 23:53:48,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:48,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:48,273 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:53:48,276 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-03 23:53:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:48,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 93 conjunts are in the unsatisfiable core [2024-04-03 23:53:48,462 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:53:49,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 173 proven. 387 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-04-03 23:53:49,476 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:53:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 84 proven. 481 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-04-03 23:53:51,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [133517025] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:53:51,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:53:51,710 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 32 [2024-04-03 23:53:51,710 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298609113] [2024-04-03 23:53:51,710 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:53:51,712 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-03 23:53:51,712 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:53:52,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-03 23:53:52,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-04-03 23:53:52,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:52,606 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:53:52,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 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) [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-04-03 23:53:52,608 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:57,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-04-03 23:53:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-04-03 23:53:57,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-03 23:53:57,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:57,221 INFO L420 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)] === [2024-04-03 23:53:57,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:53:57,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1637310004, now seen corresponding path program 8 times [2024-04-03 23:53:57,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:53:57,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267791131] [2024-04-03 23:53:57,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:53:57,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:53:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:53:59,158 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 323 proven. 479 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2024-04-03 23:53:59,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:53:59,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267791131] [2024-04-03 23:53:59,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267791131] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:53:59,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345046947] [2024-04-03 23:53:59,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 23:53:59,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:53:59,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:53:59,160 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:53:59,186 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-03 23:53:59,346 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 23:53:59,346 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:53:59,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 60 conjunts are in the unsatisfiable core [2024-04-03 23:53:59,356 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:54:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 37 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:54:01,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:54:01,996 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 329 proven. 368 refuted. 0 times theorem prover too weak. 1392 trivial. 0 not checked. [2024-04-03 23:54:01,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345046947] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:54:01,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:54:01,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 61, 14] total 77 [2024-04-03 23:54:01,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795884091] [2024-04-03 23:54:01,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:54:01,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-04-03 23:54:01,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:54:03,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-04-03 23:54:03,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=5528, Unknown=0, NotChecked=0, Total=5852 [2024-04-03 23:54:03,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:54:03,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:54:03,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.675324675324675) internal successors, (514), 77 states have internal predecessors, (514), 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) [2024-04-03 23:54:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:54:03,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-04-03 23:54:03,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:54:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:54:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:54:27,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:54:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:54:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:54:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:54:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:54:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:54:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:54:27,134 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-03 23:54:27,327 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:54:27,327 INFO L420 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)] === [2024-04-03 23:54:27,327 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:54:27,328 INFO L85 PathProgramCache]: Analyzing trace with hash -1114499695, now seen corresponding path program 9 times [2024-04-03 23:54:27,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:54:27,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661043411] [2024-04-03 23:54:27,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:54:27,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:54:27,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:54:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 208 proven. 1024 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2024-04-03 23:54:28,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:54:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661043411] [2024-04-03 23:54:28,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661043411] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:54:28,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1969473271] [2024-04-03 23:54:28,664 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 23:54:28,664 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:54:28,665 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:54:28,666 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:54:28,668 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-03 23:54:28,924 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-04-03 23:54:28,924 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:54:28,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 72 conjunts are in the unsatisfiable core [2024-04-03 23:54:28,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:54:31,471 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 2758 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-03 23:54:31,471 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:54:32,081 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 327 refuted. 0 times theorem prover too weak. 2433 trivial. 0 not checked. [2024-04-03 23:54:32,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1969473271] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:54:32,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:54:32,082 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 73, 10] total 86 [2024-04-03 23:54:32,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876269469] [2024-04-03 23:54:32,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:54:32,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-04-03 23:54:32,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:54:33,223 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-04-03 23:54:33,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=6884, Unknown=0, NotChecked=0, Total=7310 [2024-04-03 23:54:33,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:54:33,225 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:54:33,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.255813953488372) internal successors, (624), 86 states have internal predecessors, (624), 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) [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:54:33,225 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:54:33,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:54:33,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:01,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:55:01,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:55:01,797 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-03 23:55:01,990 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-03 23:55:01,990 INFO L420 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)] === [2024-04-03 23:55:01,991 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:55:01,991 INFO L85 PathProgramCache]: Analyzing trace with hash -776414106, now seen corresponding path program 10 times [2024-04-03 23:55:01,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:55:01,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013334377] [2024-04-03 23:55:01,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:55:01,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:55:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:55:07,105 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 242 proven. 493 refuted. 0 times theorem prover too weak. 3559 trivial. 0 not checked. [2024-04-03 23:55:07,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:55:07,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013334377] [2024-04-03 23:55:07,106 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013334377] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:55:07,106 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [280514066] [2024-04-03 23:55:07,106 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 23:55:07,106 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:55:07,106 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:55:07,107 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:55:07,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-03 23:55:07,298 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 23:55:07,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:55:07,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 84 conjunts are in the unsatisfiable core [2024-04-03 23:55:07,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:55:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 3835 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-04-03 23:55:10,731 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:55:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 200 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2024-04-03 23:55:11,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [280514066] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:55:11,411 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:55:11,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 85, 8] total 106 [2024-04-03 23:55:11,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406029352] [2024-04-03 23:55:11,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:55:11,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-04-03 23:55:11,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:55:13,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-04-03 23:55:13,046 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=10683, Unknown=0, NotChecked=0, Total=11130 [2024-04-03 23:55:13,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:13,046 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:55:13,047 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 5.783018867924528) internal successors, (613), 106 states have internal predecessors, (613), 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) [2024-04-03 23:55:13,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:55:13,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:55:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:55:13,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:55:57,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:55:57,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-04-03 23:55:57,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-03 23:55:57,383 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:55:57,383 INFO L420 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)] === [2024-04-03 23:55:57,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:55:57,384 INFO L85 PathProgramCache]: Analyzing trace with hash 592794458, now seen corresponding path program 11 times [2024-04-03 23:55:57,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:55:57,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606976990] [2024-04-03 23:55:57,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:55:57,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:55:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:56:01,544 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 1400 proven. 897 refuted. 0 times theorem prover too weak. 4181 trivial. 0 not checked. [2024-04-03 23:56:01,545 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:56:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606976990] [2024-04-03 23:56:01,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606976990] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:56:01,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99492568] [2024-04-03 23:56:01,545 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 23:56:01,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:56:01,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:56:01,547 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:56:01,549 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-03 23:56:01,824 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-04-03 23:56:01,824 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:56:01,837 INFO L262 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 104 conjunts are in the unsatisfiable core [2024-04-03 23:56:01,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:56:07,001 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 45 proven. 6433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:56:07,001 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:56:08,210 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 1753 proven. 323 refuted. 0 times theorem prover too weak. 4402 trivial. 0 not checked. [2024-04-03 23:56:08,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99492568] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:56:08,210 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:56:08,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 105, 15] total 133 [2024-04-03 23:56:08,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [147496566] [2024-04-03 23:56:08,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:56:08,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-04-03 23:56:08,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:56:09,535 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-04-03 23:56:09,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=17051, Unknown=0, NotChecked=0, Total=17556 [2024-04-03 23:56:09,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:56:09,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:56:09,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 5.917293233082707) internal successors, (787), 133 states have internal predecessors, (787), 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) [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:56:09,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:56:09,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:56:09,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-04-03 23:56:09,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:57:18,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:57:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:57:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-04-03 23:57:18,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 717 states. [2024-04-03 23:57:18,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-03 23:57:19,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-04-03 23:57:19,136 INFO L420 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)] === [2024-04-03 23:57:19,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:57:19,137 INFO L85 PathProgramCache]: Analyzing trace with hash -1157958774, now seen corresponding path program 12 times [2024-04-03 23:57:19,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:57:19,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647322193] [2024-04-03 23:57:19,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:57:19,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:57:19,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:57:24,420 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 29 proven. 2470 refuted. 0 times theorem prover too weak. 4629 trivial. 0 not checked. [2024-04-03 23:57:24,420 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:57:24,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647322193] [2024-04-03 23:57:24,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647322193] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:57:24,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1428038424] [2024-04-03 23:57:24,421 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-03 23:57:24,421 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:57:24,421 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:57:24,422 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:57:24,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-03 23:57:24,785 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-04-03 23:57:24,785 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:57:24,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 225 conjunts are in the unsatisfiable core [2024-04-03 23:57:24,800 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:57:26,058 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 0 proven. 2173 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2024-04-03 23:57:26,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:57:26,767 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 0 proven. 2169 refuted. 0 times theorem prover too weak. 4959 trivial. 0 not checked. [2024-04-03 23:57:26,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1428038424] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:57:26,768 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:57:26,768 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 10] total 26 [2024-04-03 23:57:26,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16425657] [2024-04-03 23:57:26,768 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:57:26,769 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-03 23:57:26,769 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:57:41,267 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-03 23:57:41,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-04-03 23:57:41,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:57:41,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:57:41,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 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) [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:57:41,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:57:41,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:57:41,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-04-03 23:57:41,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 717 states. [2024-04-03 23:57:41,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-04-03 23:57:49,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 717 states. [2024-04-03 23:57:49,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-03 23:57:49,345 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-03 23:57:49,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-04-03 23:57:49,538 INFO L420 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)] === [2024-04-03 23:57:49,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:57:49,538 INFO L85 PathProgramCache]: Analyzing trace with hash -1369268920, now seen corresponding path program 13 times [2024-04-03 23:57:49,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:57:49,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282035239] [2024-04-03 23:57:49,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:57:49,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:57:49,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:57:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 7536 backedges. 1851 proven. 1087 refuted. 0 times theorem prover too weak. 4598 trivial. 0 not checked. [2024-04-03 23:57:53,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:57:53,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282035239] [2024-04-03 23:57:53,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282035239] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:57:53,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1254489682] [2024-04-03 23:57:53,805 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-03 23:57:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:57:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:57:53,809 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:57:53,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-03 23:57:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:57:54,055 INFO L262 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 112 conjunts are in the unsatisfiable core [2024-04-03 23:57:54,062 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:57:58,776 INFO L134 CoverageAnalysis]: Checked inductivity of 7536 backedges. 90 proven. 7446 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 23:57:58,776 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:57:59,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7536 backedges. 1879 proven. 864 refuted. 0 times theorem prover too weak. 4793 trivial. 0 not checked. [2024-04-03 23:57:59,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1254489682] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:57:59,996 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:57:59,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 113, 21] total 136 [2024-04-03 23:57:59,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061952991] [2024-04-03 23:57:59,996 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:57:59,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 136 states [2024-04-03 23:57:59,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:58:01,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2024-04-03 23:58:01,399 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=631, Invalid=17729, Unknown=0, NotChecked=0, Total=18360 [2024-04-03 23:58:01,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:58:01,399 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:58:01,400 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 136 states, 136 states have (on average 5.919117647058823) internal successors, (805), 136 states have internal predecessors, (805), 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) [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 717 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-03 23:58:01,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 979 states. [2024-04-03 23:59:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-03 23:59:52,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-04-03 23:59:52,931 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-03 23:59:53,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-03 23:59:53,126 INFO L420 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)] === [2024-04-03 23:59:53,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 23:59:53,127 INFO L85 PathProgramCache]: Analyzing trace with hash -815024332, now seen corresponding path program 14 times [2024-04-03 23:59:53,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 23:59:53,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471446798] [2024-04-03 23:59:53,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 23:59:53,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 23:59:53,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 23:59:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 8533 backedges. 517 proven. 1334 refuted. 0 times theorem prover too weak. 6682 trivial. 0 not checked. [2024-04-03 23:59:56,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 23:59:56,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471446798] [2024-04-03 23:59:56,332 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [471446798] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 23:59:56,332 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [121537203] [2024-04-03 23:59:56,332 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 23:59:56,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 23:59:56,332 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 23:59:56,337 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 23:59:56,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-03 23:59:56,577 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-03 23:59:56,578 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 23:59:56,584 INFO L262 TraceCheckSpWp]: Trace formula consists of 1236 conjuncts, 60 conjunts are in the unsatisfiable core [2024-04-03 23:59:56,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 23:59:57,137 INFO L134 CoverageAnalysis]: Checked inductivity of 8533 backedges. 517 proven. 1282 refuted. 0 times theorem prover too weak. 6734 trivial. 0 not checked. [2024-04-03 23:59:57,138 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 23:59:57,793 INFO L134 CoverageAnalysis]: Checked inductivity of 8533 backedges. 517 proven. 1282 refuted. 0 times theorem prover too weak. 6734 trivial. 0 not checked. [2024-04-03 23:59:57,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [121537203] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 23:59:57,794 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 23:59:57,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 6 [2024-04-03 23:59:57,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063800310] [2024-04-03 23:59:57,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 23:59:57,795 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-03 23:59:57,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 23:59:59,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-03 23:59:59,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-04-03 23:59:59,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:59:59,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 23:59:59,462 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 29.5) internal successors, (177), 6 states have internal predecessors, (177), 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) [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-03 23:59:59,462 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 979 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-04-03 23:59:59,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:01:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:01:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-04-04 00:01:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-04-04 00:01:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-04-04 00:01:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 00:01:22,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-04-04 00:01:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-04-04 00:01:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 00:01:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-04-04 00:01:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-04 00:01:22,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 353 states. [2024-04-04 00:01:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 979 states. [2024-04-04 00:01:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 00:01:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 369 states. [2024-04-04 00:01:22,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 00:01:22,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 00:01:22,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:01:22,892 INFO L420 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)] === [2024-04-04 00:01:22,893 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 00:01:22,893 INFO L85 PathProgramCache]: Analyzing trace with hash 1525697130, now seen corresponding path program 15 times [2024-04-04 00:01:22,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 00:01:22,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840621195] [2024-04-04 00:01:22,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 00:01:22,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 00:01:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 00:01:32,459 INFO L134 CoverageAnalysis]: Checked inductivity of 8236 backedges. 31 proven. 2952 refuted. 0 times theorem prover too weak. 5253 trivial. 0 not checked. [2024-04-04 00:01:32,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 00:01:32,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840621195] [2024-04-04 00:01:32,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840621195] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 00:01:32,462 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194745111] [2024-04-04 00:01:32,463 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 00:01:32,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 00:01:32,463 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 00:01:32,464 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 00:01:32,467 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 00:01:32,903 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 30 check-sat command(s) [2024-04-04 00:01:32,903 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 00:01:32,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 1218 conjuncts, 241 conjunts are in the unsatisfiable core [2024-04-04 00:01:32,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 00:01:35,010 INFO L134 CoverageAnalysis]: Checked inductivity of 8236 backedges. 0 proven. 2638 refuted. 0 times theorem prover too weak. 5598 trivial. 0 not checked. [2024-04-04 00:01:35,012 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 00:01:35,909 INFO L134 CoverageAnalysis]: Checked inductivity of 8236 backedges. 0 proven. 2585 refuted. 0 times theorem prover too weak. 5651 trivial. 0 not checked. [2024-04-04 00:01:35,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194745111] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 00:01:35,909 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 00:01:35,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 14, 10] total 28 [2024-04-04 00:01:35,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [261184200] [2024-04-04 00:01:35,910 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 00:01:35,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-04 00:01:35,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 00:02:03,181 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-04 00:02:03,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756 [2024-04-04 00:02:03,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:02:03,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 00:02:03,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 13.928571428571429) internal successors, (390), 28 states have internal predecessors, (390), 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) [2024-04-04 00:02:03,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 00:02:03,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-04-04 00:02:03,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 353 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 979 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 369 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 00:02:03,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-04 00:03:20,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-04-04 00:03:20,689 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:03:20,689 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:03:20,689 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 00:03:20,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-04 00:03:20,863 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-04 00:03:20,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-04 00:03:20,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-04 00:03:20,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-04 00:03:20,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-04 00:03:20,866 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-04 00:03:20,870 INFO L445 BasicCegarLoop]: Path program histogram: [15, 1] [2024-04-04 00:03:20,873 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 00:03:20,873 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 00:03:20,876 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:03:20 BasicIcfg [2024-04-04 00:03:20,876 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 00:03:20,876 INFO L158 Benchmark]: Toolchain (without parser) took 637357.01ms. Allocated memory was 165.7MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 99.0MB in the beginning and 4.4GB in the end (delta: -4.3GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2024-04-04 00:03:20,876 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 00:03:20,876 INFO L158 Benchmark]: CACSL2BoogieTranslator took 308.12ms. Allocated memory is still 165.7MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 00:03:20,877 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.44ms. Allocated memory is still 165.7MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 00:03:20,877 INFO L158 Benchmark]: Boogie Preprocessor took 23.39ms. Allocated memory is still 165.7MB. Free memory was 85.5MB in the beginning and 84.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 00:03:20,877 INFO L158 Benchmark]: RCFGBuilder took 602.35ms. Allocated memory was 165.7MB in the beginning and 244.3MB in the end (delta: 78.6MB). Free memory was 83.9MB in the beginning and 200.3MB in the end (delta: -116.4MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. [2024-04-04 00:03:20,877 INFO L158 Benchmark]: TraceAbstraction took 636379.42ms. Allocated memory was 244.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 199.2MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. [2024-04-04 00:03:20,879 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 165.7MB. Free memory is still 96.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 308.12ms. Allocated memory is still 165.7MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.44ms. Allocated memory is still 165.7MB. Free memory was 87.3MB in the beginning and 85.5MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.39ms. Allocated memory is still 165.7MB. Free memory was 85.5MB in the beginning and 84.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 602.35ms. Allocated memory was 165.7MB in the beginning and 244.3MB in the end (delta: 78.6MB). Free memory was 83.9MB in the beginning and 200.3MB in the end (delta: -116.4MB). Peak memory consumption was 12.5MB. Max. memory is 8.0GB. * TraceAbstraction took 636379.42ms. Allocated memory was 244.3MB in the beginning and 8.0GB in the end (delta: 7.8GB). Free memory was 199.2MB in the beginning and 4.4GB in the end (delta: -4.2GB). Peak memory consumption was 3.6GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 21589332, independent: 20895243, independent conditional: 20893375, independent unconditional: 1868, dependent: 694089, dependent conditional: 693539, dependent unconditional: 550, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 20919970, independent: 20895243, independent conditional: 20893375, independent unconditional: 1868, dependent: 24727, dependent conditional: 24727, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20919970, independent: 20895243, independent conditional: 20893375, independent unconditional: 1868, dependent: 24727, dependent conditional: 24727, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20919970, independent: 20895243, independent conditional: 20893375, independent unconditional: 1868, dependent: 24727, dependent conditional: 24727, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21144090, independent: 20895243, independent conditional: 68566, independent unconditional: 20826677, dependent: 248847, dependent conditional: 197752, dependent unconditional: 51095, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21144090, independent: 20895243, independent conditional: 38848, independent unconditional: 20856395, dependent: 248847, dependent conditional: 18498, dependent unconditional: 230349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21144090, independent: 20895243, independent conditional: 38848, independent unconditional: 20856395, dependent: 248847, dependent conditional: 18498, dependent unconditional: 230349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1823, independent: 1775, independent conditional: 28, independent unconditional: 1747, dependent: 48, dependent conditional: 46, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1823, independent: 1749, independent conditional: 0, independent unconditional: 1749, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 48, dependent conditional: 46, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 48, dependent conditional: 46, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, independent: 91, independent conditional: 81, independent unconditional: 10, dependent: 123, dependent conditional: 82, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21144090, independent: 20893468, independent conditional: 38820, independent unconditional: 20854648, dependent: 248799, dependent conditional: 18452, dependent unconditional: 230347, unknown: 1823, unknown conditional: 74, unknown unconditional: 1749] , Statistics on independence cache: Total cache size (in pairs): 1823, Positive cache size: 1775, Positive conditional cache size: 28, Positive unconditional cache size: 1747, Negative cache size: 48, Negative conditional cache size: 46, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 208972, Maximal queried relation: 14, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 21144090, independent: 20895243, independent conditional: 68566, independent unconditional: 20826677, dependent: 248847, dependent conditional: 197752, dependent unconditional: 51095, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 21144090, independent: 20895243, independent conditional: 38848, independent unconditional: 20856395, dependent: 248847, dependent conditional: 18498, dependent unconditional: 230349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 21144090, independent: 20895243, independent conditional: 38848, independent unconditional: 20856395, dependent: 248847, dependent conditional: 18498, dependent unconditional: 230349, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1823, independent: 1775, independent conditional: 28, independent unconditional: 1747, dependent: 48, dependent conditional: 46, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1823, independent: 1749, independent conditional: 0, independent unconditional: 1749, dependent: 74, dependent conditional: 0, dependent unconditional: 74, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 74, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 48, dependent conditional: 46, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 74, independent: 26, independent conditional: 24, independent unconditional: 2, dependent: 48, dependent conditional: 46, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 214, independent: 91, independent conditional: 81, independent unconditional: 10, dependent: 123, dependent conditional: 82, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 21144090, independent: 20893468, independent conditional: 38820, independent unconditional: 20854648, dependent: 248799, dependent conditional: 18452, dependent unconditional: 230347, unknown: 1823, unknown conditional: 74, unknown unconditional: 1749] , Statistics on independence cache: Total cache size (in pairs): 1823, Positive cache size: 1775, Positive conditional cache size: 28, Positive unconditional cache size: 1747, Negative cache size: 48, Negative conditional cache size: 46, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 208972 ], Independence queries for same thread: 669362 - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 89]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 90]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 161 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 636.2s, OverallIterations: 16, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 496.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3301, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 3.6s SatisfiabilityAnalysisTime, 76.8s InterpolantComputationTime, 12448 NumberOfCodeBlocks, 12434 NumberOfCodeBlocksAsserted, 161 NumberOfCheckSat, 18326 ConstructedInterpolants, 0 QuantifiedInterpolants, 90699 SizeOfPredicates, 571 NumberOfNonLiveVariables, 11787 ConjunctsInSsa, 1197 ConjunctsInUnsatCore, 45 InterpolantComputations, 2 PerfectInterpolantSequences, 103780/156606 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown