/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-fffa3fa-m [2023-09-04 23:44:43,710 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-04 23:44:43,778 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-04 23:44:43,785 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-04 23:44:43,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-04 23:44:43,786 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-04 23:44:43,818 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-04 23:44:43,819 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-04 23:44:43,819 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-04 23:44:43,823 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-04 23:44:43,823 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-04 23:44:43,823 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-04 23:44:43,824 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-04 23:44:43,825 INFO L153 SettingsManager]: * Use SBE=true [2023-09-04 23:44:43,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-04 23:44:43,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-04 23:44:43,826 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-04 23:44:43,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-04 23:44:43,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-04 23:44:43,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-04 23:44:43,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-04 23:44:43,827 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-04 23:44:43,827 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-04 23:44:43,827 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-04 23:44:43,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-04 23:44:43,828 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-04 23:44:43,828 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-04 23:44:43,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-04 23:44:43,829 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-04 23:44:43,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-04 23:44:43,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:44:43,830 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-04 23:44:43,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-04 23:44:43,830 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-04 23:44:43,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-04 23:44:43,831 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-04 23:44:43,831 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-04 23:44:43,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-04 23:44:43,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-04 23:44:43,831 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-04 23:44:43,831 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-04 23:44:43,832 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-09-04 23:44:44,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-04 23:44:44,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-04 23:44:44,085 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-04 23:44:44,085 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-04 23:44:44,086 INFO L274 PluginConnector]: CDTParser initialized [2023-09-04 23:44:44,086 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2023-09-04 23:44:45,199 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-04 23:44:45,354 INFO L384 CDTParser]: Found 1 translation units. [2023-09-04 23:44:45,355 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-2.wvr.c [2023-09-04 23:44:45,365 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff927c2d/c4c503d920cb4f90b3e487ae8a76d621/FLAG52740af11 [2023-09-04 23:44:45,375 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ff927c2d/c4c503d920cb4f90b3e487ae8a76d621 [2023-09-04 23:44:45,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-04 23:44:45,378 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-04 23:44:45,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-04 23:44:45,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-04 23:44:45,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-04 23:44:45,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@95d5c84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45, skipping insertion in model container [2023-09-04 23:44:45,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,425 INFO L176 MainTranslator]: Built tables and reachable declarations [2023-09-04 23:44:45,617 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/parallel-parallel-sum-2.wvr.c[4225,4238] [2023-09-04 23:44:45,622 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:44:45,633 INFO L201 MainTranslator]: Completed pre-run [2023-09-04 23:44:45,680 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/parallel-parallel-sum-2.wvr.c[4225,4238] [2023-09-04 23:44:45,683 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-04 23:44:45,693 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 23:44:45,694 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-04 23:44:45,699 INFO L206 MainTranslator]: Completed translation [2023-09-04 23:44:45,700 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45 WrapperNode [2023-09-04 23:44:45,700 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-04 23:44:45,701 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-04 23:44:45,701 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-04 23:44:45,701 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-04 23:44:45,707 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,731 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,775 INFO L138 Inliner]: procedures = 29, calls = 88, calls flagged for inlining = 22, calls inlined = 32, statements flattened = 404 [2023-09-04 23:44:45,775 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-04 23:44:45,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-04 23:44:45,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-04 23:44:45,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-04 23:44:45,787 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,787 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,811 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,814 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,816 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-04 23:44:45,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-04 23:44:45,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-04 23:44:45,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-04 23:44:45,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (1/1) ... [2023-09-04 23:44:45,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-04 23:44:45,837 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:44:45,849 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) [2023-09-04 23:44:45,855 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 [2023-09-04 23:44:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-04 23:44:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-04 23:44:45,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-04 23:44:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-04 23:44:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-04 23:44:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-04 23:44:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-04 23:44:45,887 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-04 23:44:45,887 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-04 23:44:45,888 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-04 23:44:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-09-04 23:44:45,889 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-09-04 23:44:45,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-04 23:44:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread5 [2023-09-04 23:44:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread5 [2023-09-04 23:44:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure thread6 [2023-09-04 23:44:45,890 INFO L138 BoogieDeclarations]: Found implementation of procedure thread6 [2023-09-04 23:44:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-04 23:44:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-04 23:44:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-04 23:44:45,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-04 23:44:45,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-04 23:44:45,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-04 23:44:45,892 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-04 23:44:45,994 INFO L236 CfgBuilder]: Building ICFG [2023-09-04 23:44:45,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-04 23:44:46,396 INFO L277 CfgBuilder]: Performing block encoding [2023-09-04 23:44:46,589 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-04 23:44:46,589 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-09-04 23:44:46,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:44:46 BoogieIcfgContainer [2023-09-04 23:44:46,593 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-04 23:44:46,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-04 23:44:46,597 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-04 23:44:46,600 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-04 23:44:46,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:44:45" (1/3) ... [2023-09-04 23:44:46,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe04ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:44:46, skipping insertion in model container [2023-09-04 23:44:46,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:44:45" (2/3) ... [2023-09-04 23:44:46,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fe04ff4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:44:46, skipping insertion in model container [2023-09-04 23:44:46,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:44:46" (3/3) ... [2023-09-04 23:44:46,602 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-2.wvr.c [2023-09-04 23:44:46,609 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-04 23:44:46,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-04 23:44:46,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-04 23:44:46,617 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-04 23:44:46,772 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2023-09-04 23:44:46,824 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:44:46,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-04 23:44:46,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:44:46,833 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) [2023-09-04 23:44:46,833 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 [2023-09-04 23:44:46,875 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-04 23:44:46,881 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-04 23:44:46,888 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=LoopsAndPotentialCycles, 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;@3d325290, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-04 23:44:46,888 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. Found a loop, use abstraction hammer [2023-09-04 23:44:47,009 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-09-04 23:44:47,013 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:44:47,013 INFO L85 PathProgramCache]: Analyzing trace with hash 2098537775, now seen corresponding path program 1 times [2023-09-04 23:44:47,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:44:47,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040429561] [2023-09-04 23:44:47,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:44:47,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:44:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:44:47,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 23:44:47,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:44:47,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040429561] [2023-09-04 23:44:47,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040429561] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:44:47,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 23:44:47,382 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-04 23:44:47,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [184739653] [2023-09-04 23:44:47,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:44:47,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-04 23:44:47,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:44:47,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-04 23:44:47,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-04 23:44:47,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:47,406 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:44:47,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 109.5) internal successors, (219), 2 states have internal predecessors, (219), 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) [2023-09-04 23:44:47,407 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:44:47,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:47,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-04 23:44:47,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-09-04 23:44:47,648 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:44:47,648 INFO L85 PathProgramCache]: Analyzing trace with hash -1682331058, now seen corresponding path program 1 times [2023-09-04 23:44:47,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:44:47,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283939018] [2023-09-04 23:44:47,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:44:47,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:44:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:44:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-04 23:44:49,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:44:49,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283939018] [2023-09-04 23:44:49,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283939018] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-04 23:44:49,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-04 23:44:49,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-09-04 23:44:49,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246672911] [2023-09-04 23:44:49,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-04 23:44:49,208 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-09-04 23:44:49,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:44:49,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-09-04 23:44:49,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2023-09-04 23:44:49,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:49,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:44:49,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 22.0) internal successors, (220), 10 states have internal predecessors, (220), 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) [2023-09-04 23:44:49,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:49,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:44:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:50,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-04 23:44:50,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-04 23:44:50,161 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-09-04 23:44:50,161 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:44:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash -1163487008, now seen corresponding path program 1 times [2023-09-04 23:44:50,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:44:50,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972826288] [2023-09-04 23:44:50,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:44:50,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:44:50,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:44:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-09-04 23:44:51,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:44:51,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972826288] [2023-09-04 23:44:51,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972826288] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:44:51,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786657609] [2023-09-04 23:44:51,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:44:51,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:44:51,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:44:51,129 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) [2023-09-04 23:44:51,150 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-04 23:44:51,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:44:51,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 618 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-04 23:44:51,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:44:51,819 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-04 23:44:51,819 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:44:52,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-04 23:44:52,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786657609] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:44:52,091 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:44:52,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 11, 11] total 29 [2023-09-04 23:44:52,091 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106712561] [2023-09-04 23:44:52,091 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:44:52,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-09-04 23:44:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:44:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-09-04 23:44:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=723, Unknown=0, NotChecked=0, Total=812 [2023-09-04 23:44:52,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:52,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:44:52,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 17.103448275862068) internal successors, (496), 29 states have internal predecessors, (496), 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) [2023-09-04 23:44:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:44:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-04 23:44:52,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-04 23:48:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:48:22,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-09-04 23:48:22,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:48:22,299 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-04 23:48:22,489 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 [2023-09-04 23:48:22,490 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 8 more)] === [2023-09-04 23:48:22,490 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-04 23:48:22,490 INFO L85 PathProgramCache]: Analyzing trace with hash -1556121538, now seen corresponding path program 1 times [2023-09-04 23:48:22,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-04 23:48:22,491 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975117500] [2023-09-04 23:48:22,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:48:22,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-04 23:48:22,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:48:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 27 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:48:23,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-04 23:48:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975117500] [2023-09-04 23:48:23,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975117500] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-04 23:48:23,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037895072] [2023-09-04 23:48:23,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-04 23:48:23,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-04 23:48:23,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-04 23:48:23,469 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) [2023-09-04 23:48:23,472 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-04 23:48:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-04 23:48:23,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 19 conjunts are in the unsatisfiable core [2023-09-04 23:48:23,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-04 23:48:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 10 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:48:24,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-04 23:48:24,875 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-04 23:48:24,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037895072] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-04 23:48:24,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-04 23:48:24,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 16] total 43 [2023-09-04 23:48:24,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037241826] [2023-09-04 23:48:24,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-04 23:48:24,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2023-09-04 23:48:24,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-04 23:48:24,878 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2023-09-04 23:48:24,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=1627, Unknown=0, NotChecked=0, Total=1806 [2023-09-04 23:48:24,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:48:24,879 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-04 23:48:24,880 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 13.813953488372093) internal successors, (594), 43 states have internal predecessors, (594), 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) [2023-09-04 23:48:24,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-04 23:48:24,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-09-04 23:48:24,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-09-04 23:48:24,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Received shutdown request... [2023-09-04 23:49:19,219 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-04 23:49:19,220 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 [2023-09-04 23:49:19,220 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 [2023-09-04 23:49:19,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-04 23:49:19,449 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 [2023-09-04 23:49:19,449 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-04 23:49:19,451 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2023-09-04 23:49:19,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Err9INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 11 remaining) [2023-09-04 23:49:19,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2023-09-04 23:49:19,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 11 remaining) [2023-09-04 23:49:19,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 11 remaining) [2023-09-04 23:49:19,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 11 remaining) [2023-09-04 23:49:19,452 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Err7INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 11 remaining) [2023-09-04 23:49:19,453 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork4Err3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 11 remaining) [2023-09-04 23:49:19,453 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread1Thread1of1ForFork4Err5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 11 remaining) [2023-09-04 23:49:19,453 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork0Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 11 remaining) [2023-09-04 23:49:19,453 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thread4Thread1of1ForFork0Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 11 remaining) [2023-09-04 23:49:19,494 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-09-04 23:49:19,496 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-04 23:49:19,496 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-04 23:49:19,500 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.09 11:49:19 BasicIcfg [2023-09-04 23:49:19,500 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-04 23:49:19,501 INFO L158 Benchmark]: Toolchain (without parser) took 274122.01ms. Allocated memory was 230.7MB in the beginning and 503.3MB in the end (delta: 272.6MB). Free memory was 184.1MB in the beginning and 231.0MB in the end (delta: -46.9MB). Peak memory consumption was 390.4MB. Max. memory is 7.0GB. [2023-09-04 23:49:19,504 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-04 23:49:19,504 INFO L158 Benchmark]: CACSL2BoogieTranslator took 321.10ms. Allocated memory is still 230.7MB. Free memory was 184.1MB in the beginning and 171.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. [2023-09-04 23:49:19,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.25ms. Allocated memory is still 230.7MB. Free memory was 171.0MB in the beginning and 167.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. [2023-09-04 23:49:19,508 INFO L158 Benchmark]: Boogie Preprocessor took 45.23ms. Allocated memory is still 230.7MB. Free memory was 167.9MB in the beginning and 165.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-04 23:49:19,508 INFO L158 Benchmark]: RCFGBuilder took 771.23ms. Allocated memory is still 230.7MB. Free memory was 165.8MB in the beginning and 103.9MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 7.0GB. [2023-09-04 23:49:19,508 INFO L158 Benchmark]: TraceAbstraction took 272903.14ms. Allocated memory was 230.7MB in the beginning and 503.3MB in the end (delta: 272.6MB). Free memory was 102.9MB in the beginning and 231.0MB in the end (delta: -128.1MB). Peak memory consumption was 308.6MB. Max. memory is 7.0GB. [2023-09-04 23:49:19,514 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 118.4MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 321.10ms. Allocated memory is still 230.7MB. Free memory was 184.1MB in the beginning and 171.0MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 74.25ms. Allocated memory is still 230.7MB. Free memory was 171.0MB in the beginning and 167.9MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 45.23ms. Allocated memory is still 230.7MB. Free memory was 167.9MB in the beginning and 165.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 771.23ms. Allocated memory is still 230.7MB. Free memory was 165.8MB in the beginning and 103.9MB in the end (delta: 61.9MB). Peak memory consumption was 61.9MB. Max. memory is 7.0GB. * TraceAbstraction took 272903.14ms. Allocated memory was 230.7MB in the beginning and 503.3MB in the end (delta: 272.6MB). Free memory was 102.9MB in the beginning and 231.0MB in the end (delta: -128.1MB). Peak memory consumption was 308.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 33880, independent: 32031, independent conditional: 32031, independent unconditional: 0, dependent: 1849, dependent conditional: 1849, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32087, independent: 32031, independent conditional: 32031, independent unconditional: 0, dependent: 56, dependent conditional: 56, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32087, independent: 32031, independent conditional: 32031, independent unconditional: 0, dependent: 56, dependent conditional: 56, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32270, independent: 32031, independent conditional: 0, independent unconditional: 32031, dependent: 239, dependent conditional: 183, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 32270, independent: 32031, independent conditional: 0, independent unconditional: 32031, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 32270, independent: 32031, independent conditional: 0, independent unconditional: 32031, dependent: 239, dependent conditional: 0, dependent unconditional: 239, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 32087, independent: 32031, independent conditional: 0, independent unconditional: 32031, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 32087, independent: 32027, independent conditional: 0, independent unconditional: 32027, dependent: 60, dependent conditional: 0, dependent unconditional: 60, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 60, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 60, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 60, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 56, dependent conditional: 0, dependent unconditional: 56, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 150, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 146, dependent conditional: 0, dependent unconditional: 146, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 32270, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 183, dependent conditional: 0, dependent unconditional: 183, unknown: 32087, unknown conditional: 0, unknown unconditional: 32087] , Statistics on independence cache: Total cache size (in pairs): 32087, Positive cache size: 32031, Positive conditional cache size: 0, Positive unconditional cache size: 32031, Negative cache size: 56, Negative conditional cache size: 0, Negative unconditional cache size: 56, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 183, Maximal queried relation: 4, Independence queries for same thread: 1793 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 5 - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 166]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 160]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 161]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 80]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 81]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 13 procedures, 367 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 272.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 265.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 133, 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, 0.6s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1381 NumberOfCodeBlocks, 1381 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 1844 ConstructedInterpolants, 0 QuantifiedInterpolants, 8566 SizeOfPredicates, 36 NumberOfNonLiveVariables, 1296 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 50/103 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