/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf --traceabstraction.dfs.order.used.in.por PSEUDO_LOCKSTEP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 18:44:30,683 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 18:44:30,752 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 18:44:30,755 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 18:44:30,756 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 18:44:30,780 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 18:44:30,783 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 18:44:30,784 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 18:44:30,784 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 18:44:30,788 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 18:44:30,789 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 18:44:30,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 18:44:30,790 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 18:44:30,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 18:44:30,791 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 18:44:30,791 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 18:44:30,791 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 18:44:30,791 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 18:44:30,792 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 18:44:30,792 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 18:44:30,792 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 18:44:30,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 18:44:30,792 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 18:44:30,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 18:44:30,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 18:44:30,793 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 18:44:30,793 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 18:44:30,793 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 18:44:30,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 18:44:30,794 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:44:30,794 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 18:44:30,795 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 18:44:30,796 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/UAutomizer-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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 18:44:30,949 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 18:44:30,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 18:44:30,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 18:44:30,963 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 18:44:30,964 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 18:44:30,965 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/test-hard1.wvr.c [2023-11-17 18:44:32,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 18:44:32,193 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 18:44:32,194 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-hard1.wvr.c [2023-11-17 18:44:32,199 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0743bfa2/de0743eed8e54ec694b0eee7b043d5c1/FLAG23c733c51 [2023-11-17 18:44:32,210 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c0743bfa2/de0743eed8e54ec694b0eee7b043d5c1 [2023-11-17 18:44:32,211 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 18:44:32,212 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 18:44:32,213 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 18:44:32,214 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 18:44:32,218 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 18:44:32,219 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,219 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73e67a51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32, skipping insertion in model container [2023-11-17 18:44:32,220 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,237 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 18:44:32,363 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/test-hard1.wvr.c[3425,3438] [2023-11-17 18:44:32,370 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:44:32,376 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 18:44:32,398 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/test-hard1.wvr.c[3425,3438] [2023-11-17 18:44:32,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:44:32,404 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:44:32,404 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:44:32,409 INFO L206 MainTranslator]: Completed translation [2023-11-17 18:44:32,409 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32 WrapperNode [2023-11-17 18:44:32,409 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 18:44:32,410 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 18:44:32,410 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 18:44:32,410 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 18:44:32,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,444 INFO L138 Inliner]: procedures = 24, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2023-11-17 18:44:32,444 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 18:44:32,445 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 18:44:32,445 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 18:44:32,445 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 18:44:32,451 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,457 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,457 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,462 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,465 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,466 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,467 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,469 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 18:44:32,469 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 18:44:32,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 18:44:32,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 18:44:32,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (1/1) ... [2023-11-17 18:44:32,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:44:32,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:44:32,495 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-17 18:44:32,500 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-17 18:44:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 18:44:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 18:44:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 18:44:32,514 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 18:44:32,514 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 18:44:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-11-17 18:44:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 18:44:32,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 18:44:32,515 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 18:44:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 18:44:32,516 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 18:44:32,517 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-17 18:44:32,585 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 18:44:32,587 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 18:44:32,791 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 18:44:32,865 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 18:44:32,865 INFO L307 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-17 18:44:32,866 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:44:32 BoogieIcfgContainer [2023-11-17 18:44:32,866 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 18:44:32,876 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 18:44:32,876 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 18:44:32,878 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 18:44:32,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:44:32" (1/3) ... [2023-11-17 18:44:32,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281ccd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:44:32, skipping insertion in model container [2023-11-17 18:44:32,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:44:32" (2/3) ... [2023-11-17 18:44:32,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@281ccd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:44:32, skipping insertion in model container [2023-11-17 18:44:32,879 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:44:32" (3/3) ... [2023-11-17 18:44:32,880 INFO L112 eAbstractionObserver]: Analyzing ICFG test-hard1.wvr.c [2023-11-17 18:44:32,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 18:44:32,904 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 18:44:32,904 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 18:44:32,904 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 18:44:32,961 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-11-17 18:44:33,002 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:44:33,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 18:44:33,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:44:33,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-11-17 18:44:33,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-11-17 18:44:33,073 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 18:44:33,082 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 18:44:33,089 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;@3dff3097, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:44:33,090 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-11-17 18:44:33,441 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)] === [2023-11-17 18:44:33,445 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:44:33,446 INFO L85 PathProgramCache]: Analyzing trace with hash 1012752811, now seen corresponding path program 1 times [2023-11-17 18:44:33,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:44:33,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587914932] [2023-11-17 18:44:33,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:44:33,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:44:33,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:44:33,731 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-17 18:44:33,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:44:33,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587914932] [2023-11-17 18:44:33,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1587914932] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:44:33,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:44:33,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 18:44:33,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581030457] [2023-11-17 18:44:33,734 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:44:33,739 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 18:44:33,739 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:44:33,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 18:44:33,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 18:44:33,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:33,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:44:33,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.5) internal successors, (117), 2 states have internal predecessors, (117), 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) [2023-11-17 18:44:33,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:33,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:33,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 18:44:33,809 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)] === [2023-11-17 18:44:33,810 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:44:33,810 INFO L85 PathProgramCache]: Analyzing trace with hash 761096476, now seen corresponding path program 1 times [2023-11-17 18:44:33,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:44:33,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459994906] [2023-11-17 18:44:33,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:44:33,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:44:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:44:34,482 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2023-11-17 18:44:34,483 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:44:34,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459994906] [2023-11-17 18:44:34,483 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459994906] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:44:34,483 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:44:34,483 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 18:44:34,484 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031650449] [2023-11-17 18:44:34,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:44:34,485 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 18:44:34,486 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:44:34,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 18:44:34,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 18:44:34,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:34,489 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:44:34,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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) [2023-11-17 18:44:34,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:34,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:34,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:34,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:44:34,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 18:44:34,729 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)] === [2023-11-17 18:44:34,730 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:44:34,730 INFO L85 PathProgramCache]: Analyzing trace with hash -850885797, now seen corresponding path program 2 times [2023-11-17 18:44:34,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:44:34,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230519488] [2023-11-17 18:44:34,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:44:34,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:44:34,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:44:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 12 proven. 105 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 18:44:37,138 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:44:37,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230519488] [2023-11-17 18:44:37,138 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [230519488] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:44:37,138 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1191150343] [2023-11-17 18:44:37,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 18:44:37,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:44:37,139 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:44:37,196 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:44:37,199 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-17 18:44:37,326 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 18:44:37,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:44:37,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-17 18:44:37,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:44:41,770 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 7 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:44:41,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:44:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 12 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:44:44,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1191150343] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:44:44,297 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:44:44,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 28, 27] total 76 [2023-11-17 18:44:44,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630092291] [2023-11-17 18:44:44,298 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:44:44,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2023-11-17 18:44:44,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:44:44,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2023-11-17 18:44:44,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=831, Invalid=4869, Unknown=0, NotChecked=0, Total=5700 [2023-11-17 18:44:44,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:44,301 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:44:44,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 4.276315789473684) internal successors, (325), 76 states have internal predecessors, (325), 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) [2023-11-17 18:44:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:44:44,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:44:54,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:44:54,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-11-17 18:44:54,677 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-17 18:44:54,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-11-17 18:44:54,869 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)] === [2023-11-17 18:44:54,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:44:54,869 INFO L85 PathProgramCache]: Analyzing trace with hash -164609811, now seen corresponding path program 3 times [2023-11-17 18:44:54,869 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:44:54,869 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547202446] [2023-11-17 18:44:54,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:44:54,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:44:54,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:44:56,699 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 13 proven. 139 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-17 18:44:56,699 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:44:56,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547202446] [2023-11-17 18:44:56,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547202446] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:44:56,700 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1366827945] [2023-11-17 18:44:56,700 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 18:44:56,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:44:56,700 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:44:56,717 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:44:56,758 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-17 18:44:56,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2023-11-17 18:44:56,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:44:56,889 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-17 18:44:56,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:45:02,043 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 23 proven. 144 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:45:02,043 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:45:03,788 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 37 proven. 130 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:45:03,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1366827945] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:45:03,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:45:03,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 31, 32] total 86 [2023-11-17 18:45:03,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48228611] [2023-11-17 18:45:03,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:45:03,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2023-11-17 18:45:03,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:45:03,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2023-11-17 18:45:03,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1174, Invalid=6136, Unknown=0, NotChecked=0, Total=7310 [2023-11-17 18:45:03,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:03,792 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:45:03,792 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 4.0813953488372094) internal successors, (351), 86 states have internal predecessors, (351), 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) [2023-11-17 18:45:03,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:03,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:45:03,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-11-17 18:45:03,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:12,576 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 18:45:14,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 18:45:16,417 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-17 18:45:20,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:20,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:45:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2023-11-17 18:45:20,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2023-11-17 18:45:20,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-11-17 18:45:20,242 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:45:20,242 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)] === [2023-11-17 18:45:20,243 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:45:20,243 INFO L85 PathProgramCache]: Analyzing trace with hash 114382571, now seen corresponding path program 4 times [2023-11-17 18:45:20,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:45:20,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447330256] [2023-11-17 18:45:20,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:45:20,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:45:20,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:45:20,514 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2023-11-17 18:45:20,515 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:45:20,515 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447330256] [2023-11-17 18:45:20,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447330256] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:45:20,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:45:20,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-17 18:45:20,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954929541] [2023-11-17 18:45:20,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:45:20,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 18:45:20,518 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:45:20,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 18:45:20,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 18:45:20,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:20,519 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:45:20,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.6) internal successors, (123), 5 states have internal predecessors, (123), 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) [2023-11-17 18:45:20,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:20,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:45:20,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 104 states. [2023-11-17 18:45:20,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2023-11-17 18:45:20,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:45:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-11-17 18:45:21,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-17 18:45:21,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:45:21,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-17 18:45:21,825 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)] === [2023-11-17 18:45:21,825 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:45:21,825 INFO L85 PathProgramCache]: Analyzing trace with hash 1815963208, now seen corresponding path program 5 times [2023-11-17 18:45:21,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:45:21,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [586269324] [2023-11-17 18:45:21,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:45:21,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:45:21,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:45:23,939 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 22 proven. 206 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-17 18:45:23,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:45:23,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [586269324] [2023-11-17 18:45:23,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [586269324] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:45:23,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805510384] [2023-11-17 18:45:23,940 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-11-17 18:45:23,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:45:23,940 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:45:23,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:45:23,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-17 18:45:24,077 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-11-17 18:45:24,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:45:24,080 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-17 18:45:24,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:45:30,174 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 16 proven. 216 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:45:30,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:45:32,010 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 73 proven. 159 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 18:45:32,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805510384] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:45:32,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:45:32,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 39, 38] total 104 [2023-11-17 18:45:32,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795848403] [2023-11-17 18:45:32,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:45:32,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2023-11-17 18:45:32,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:45:32,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2023-11-17 18:45:32,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1346, Invalid=9366, Unknown=0, NotChecked=0, Total=10712 [2023-11-17 18:45:32,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:32,014 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:45:32,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 3.8365384615384617) internal successors, (399), 104 states have internal predecessors, (399), 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) [2023-11-17 18:45:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:45:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-11-17 18:45:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-17 18:45:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:45:32,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:45:43,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:45:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2023-11-17 18:45:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2023-11-17 18:45:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:45:43,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2023-11-17 18:45:43,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-17 18:45:43,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:45:43,312 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)] === [2023-11-17 18:45:43,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:45:43,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1429546063, now seen corresponding path program 6 times [2023-11-17 18:45:43,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:45:43,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115474616] [2023-11-17 18:45:43,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:45:43,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:45:43,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:45:48,022 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 7 proven. 344 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 18:45:48,022 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:45:48,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2115474616] [2023-11-17 18:45:48,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2115474616] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:45:48,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1936420535] [2023-11-17 18:45:48,023 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-17 18:45:48,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:45:48,023 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:45:48,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-17 18:45:48,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-17 18:45:48,229 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-11-17 18:45:48,230 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:45:48,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 80 conjunts are in the unsatisfiable core [2023-11-17 18:45:48,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:46:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:46:21,605 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:49:29,121 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 0 proven. 350 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 18:49:29,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1936420535] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:49:29,121 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:49:29,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 57, 52] total 142 [2023-11-17 18:49:29,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169103389] [2023-11-17 18:49:29,122 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:49:29,122 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 142 states [2023-11-17 18:49:29,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:49:29,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2023-11-17 18:49:29,127 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2496, Invalid=17487, Unknown=39, NotChecked=0, Total=20022 [2023-11-17 18:49:29,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:49:29,127 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:49:29,128 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 142 states, 142 states have (on average 3.23943661971831) internal successors, (460), 142 states have internal predecessors, (460), 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) [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 94 states. [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 129 states. [2023-11-17 18:49:29,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-11-17 18:53:56,126 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-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 [2023-11-17 18:53:56,128 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:53:56,143 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:53:57,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-17 18:53:57,152 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2023-11-17 18:53:57,160 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 [2023-11-17 18:53:57,328 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:53:57,329 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2023-11-17 18:53:57,330 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-11-17 18:53:57,331 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-11-17 18:53:57,331 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-11-17 18:53:57,331 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-11-17 18:53:57,331 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-11-17 18:53:57,334 INFO L445 BasicCegarLoop]: Path program histogram: [6, 1] [2023-11-17 18:53:57,336 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 18:53:57,336 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 18:53:57,337 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:53:57 BasicIcfg [2023-11-17 18:53:57,337 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 18:53:57,338 INFO L158 Benchmark]: Toolchain (without parser) took 565125.38ms. Allocated memory was 360.7MB in the beginning and 798.0MB in the end (delta: 437.3MB). Free memory was 310.2MB in the beginning and 263.0MB in the end (delta: 47.1MB). Peak memory consumption was 484.9MB. Max. memory is 8.0GB. [2023-11-17 18:53:57,338 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 223.3MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:53:57,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.17ms. Allocated memory is still 360.7MB. Free memory was 310.2MB in the beginning and 298.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 18:53:57,338 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.34ms. Allocated memory is still 360.7MB. Free memory was 298.1MB in the beginning and 296.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:53:57,338 INFO L158 Benchmark]: Boogie Preprocessor took 23.80ms. Allocated memory is still 360.7MB. Free memory was 296.5MB in the beginning and 295.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 18:53:57,339 INFO L158 Benchmark]: RCFGBuilder took 396.98ms. Allocated memory is still 360.7MB. Free memory was 295.0MB in the beginning and 271.3MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2023-11-17 18:53:57,339 INFO L158 Benchmark]: TraceAbstraction took 564461.35ms. Allocated memory was 360.7MB in the beginning and 798.0MB in the end (delta: 437.3MB). Free memory was 270.8MB in the beginning and 263.0MB in the end (delta: 7.8MB). Peak memory consumption was 446.1MB. Max. memory is 8.0GB. [2023-11-17 18:53:57,340 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 223.3MB. Free memory is still 171.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 196.17ms. Allocated memory is still 360.7MB. Free memory was 310.2MB in the beginning and 298.1MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.34ms. Allocated memory is still 360.7MB. Free memory was 298.1MB in the beginning and 296.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.80ms. Allocated memory is still 360.7MB. Free memory was 296.5MB in the beginning and 295.0MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 396.98ms. Allocated memory is still 360.7MB. Free memory was 295.0MB in the beginning and 271.3MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 564461.35ms. Allocated memory was 360.7MB in the beginning and 798.0MB in the end (delta: 437.3MB). Free memory was 270.8MB in the beginning and 263.0MB in the end (delta: 7.8MB). Peak memory consumption was 446.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9966, independent: 8557, independent conditional: 5958, independent unconditional: 2599, dependent: 1384, dependent conditional: 1360, dependent unconditional: 24, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8815, independent: 8557, independent conditional: 5958, independent unconditional: 2599, dependent: 233, dependent conditional: 209, dependent unconditional: 24, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8815, independent: 8557, independent conditional: 5958, independent unconditional: 2599, dependent: 233, dependent conditional: 209, dependent unconditional: 24, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9444, independent: 8557, independent conditional: 141, independent unconditional: 8416, dependent: 857, dependent conditional: 458, dependent unconditional: 399, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9444, independent: 8557, independent conditional: 141, independent unconditional: 8416, dependent: 857, dependent conditional: 283, dependent unconditional: 574, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9444, independent: 8557, independent conditional: 141, independent unconditional: 8416, dependent: 857, dependent conditional: 283, dependent unconditional: 574, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2494, independent: 2405, independent conditional: 58, independent unconditional: 2347, dependent: 82, dependent conditional: 58, dependent unconditional: 24, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2494, independent: 2344, independent conditional: 0, independent unconditional: 2344, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 150, independent: 61, independent conditional: 58, independent unconditional: 3, dependent: 82, dependent conditional: 58, dependent unconditional: 24, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, independent: 61, independent conditional: 58, independent unconditional: 3, dependent: 82, dependent conditional: 58, dependent unconditional: 24, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5498, independent: 357, independent conditional: 304, independent unconditional: 53, dependent: 1025, dependent conditional: 922, dependent unconditional: 103, unknown: 4116, unknown conditional: 4116, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9444, independent: 6152, independent conditional: 83, independent unconditional: 6069, dependent: 775, dependent conditional: 225, dependent unconditional: 550, unknown: 2517, unknown conditional: 146, unknown unconditional: 2371] , Statistics on independence cache: Total cache size (in pairs): 2487, Positive cache size: 2405, Positive conditional cache size: 58, Positive unconditional cache size: 2347, Negative cache size: 82, Negative conditional cache size: 58, Negative unconditional cache size: 24, Unknown cache size: 7, Unknown conditional cache size: 7, Unknown unconditional cache size: 0, Eliminated conditions: 175, Maximal queried relation: 5, Independence queries for same thread: 1151 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 157, Number of trivial persistent sets: 121, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2623, independent: 2599, independent conditional: 0, independent unconditional: 2599, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9966, independent: 8557, independent conditional: 5958, independent unconditional: 2599, dependent: 1384, dependent conditional: 1360, dependent unconditional: 24, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 8815, independent: 8557, independent conditional: 5958, independent unconditional: 2599, dependent: 233, dependent conditional: 209, dependent unconditional: 24, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 8815, independent: 8557, independent conditional: 5958, independent unconditional: 2599, dependent: 233, dependent conditional: 209, dependent unconditional: 24, unknown: 25, unknown conditional: 25, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9444, independent: 8557, independent conditional: 141, independent unconditional: 8416, dependent: 857, dependent conditional: 458, dependent unconditional: 399, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 9444, independent: 8557, independent conditional: 141, independent unconditional: 8416, dependent: 857, dependent conditional: 283, dependent unconditional: 574, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 9444, independent: 8557, independent conditional: 141, independent unconditional: 8416, dependent: 857, dependent conditional: 283, dependent unconditional: 574, unknown: 30, unknown conditional: 30, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2494, independent: 2405, independent conditional: 58, independent unconditional: 2347, dependent: 82, dependent conditional: 58, dependent unconditional: 24, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2494, independent: 2344, independent conditional: 0, independent unconditional: 2344, dependent: 150, dependent conditional: 0, dependent unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 150, independent: 61, independent conditional: 58, independent unconditional: 3, dependent: 82, dependent conditional: 58, dependent unconditional: 24, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 150, independent: 61, independent conditional: 58, independent unconditional: 3, dependent: 82, dependent conditional: 58, dependent unconditional: 24, unknown: 7, unknown conditional: 7, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 5498, independent: 357, independent conditional: 304, independent unconditional: 53, dependent: 1025, dependent conditional: 922, dependent unconditional: 103, unknown: 4116, unknown conditional: 4116, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 9444, independent: 6152, independent conditional: 83, independent unconditional: 6069, dependent: 775, dependent conditional: 225, dependent unconditional: 550, unknown: 2517, unknown conditional: 146, unknown unconditional: 2371] , Statistics on independence cache: Total cache size (in pairs): 2487, Positive cache size: 2405, Positive conditional cache size: 58, Positive unconditional cache size: 2347, Negative cache size: 82, Negative conditional cache size: 58, Negative unconditional cache size: 24, Unknown cache size: 7, Unknown conditional cache size: 7, Unknown unconditional cache size: 0, Eliminated conditions: 175, Maximal queried relation: 5, Independence queries for same thread: 1151 - TimeoutResultAtElement [Line: 139]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 132]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 131]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 130]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 167 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 564.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 307.6s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 343, 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: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 254.0s InterpolantComputationTime, 1855 NumberOfCodeBlocks, 1855 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 2528 ConstructedInterpolants, 16 QuantifiedInterpolants, 68810 SizeOfPredicates, 100 NumberOfNonLiveVariables, 1544 ConjunctsInSsa, 223 ConjunctsInUnsatCore, 15 InterpolantComputations, 3 PerfectInterpolantSequences, 728/3092 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