/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/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 18:43:21,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 18:43:21,730 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 18:43:21,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 18:43:21,735 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 18:43:21,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 18:43:21,764 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 18:43:21,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 18:43:21,765 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 18:43:21,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 18:43:21,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 18:43:21,769 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 18:43:21,770 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 18:43:21,771 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 18:43:21,771 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 18:43:21,771 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 18:43:21,772 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 18:43:21,772 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 18:43:21,772 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 18:43:21,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 18:43:21,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 18:43:21,773 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 18:43:21,773 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 18:43:21,773 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 18:43:21,774 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 18:43:21,774 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 18:43:21,774 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 18:43:21,775 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 18:43:21,775 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 18:43:21,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:43:21,776 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 18:43:21,776 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 18:43:21,776 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 18:43:21,777 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 18:43:21,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 18:43:21,777 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 18:43:21,777 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 18:43:21,777 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 18:43:21,777 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 18:43:21,778 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 18:43:21,778 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 18:43:22,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 18:43:22,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 18:43:22,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 18:43:22,030 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 18:43:22,030 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 18:43:22,031 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-11-17 18:43:23,222 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 18:43:23,413 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 18:43:23,413 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-11-17 18:43:23,422 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6132b6dd/031a5c1d3ea248c78bd707d0b49d7ca3/FLAGbc5f23671 [2023-11-17 18:43:23,437 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6132b6dd/031a5c1d3ea248c78bd707d0b49d7ca3 [2023-11-17 18:43:23,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 18:43:23,441 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 18:43:23,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 18:43:23,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 18:43:23,446 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 18:43:23,447 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,448 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3a9c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23, skipping insertion in model container [2023-11-17 18:43:23,448 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,476 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 18:43:23,606 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2023-11-17 18:43:23,614 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:43:23,622 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 18:43:23,640 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c[2730,2743] [2023-11-17 18:43:23,648 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 18:43:23,655 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:43:23,656 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 18:43:23,662 INFO L206 MainTranslator]: Completed translation [2023-11-17 18:43:23,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23 WrapperNode [2023-11-17 18:43:23,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 18:43:23,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 18:43:23,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 18:43:23,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 18:43:23,671 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,713 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 156 [2023-11-17 18:43:23,713 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 18:43:23,714 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 18:43:23,714 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 18:43:23,714 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 18:43:23,722 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,725 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,725 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,746 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,749 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,751 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,753 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,755 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 18:43:23,756 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 18:43:23,756 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 18:43:23,756 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 18:43:23,757 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (1/1) ... [2023-11-17 18:43:23,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 18:43:23,772 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:43:23,784 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 18:43:23,800 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 18:43:23,824 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 18:43:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 18:43:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 18:43:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 18:43:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 18:43:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 18:43:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 18:43:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 18:43:23,825 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 18:43:23,825 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 18:43:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 18:43:23,827 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 18:43:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 18:43:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 18:43:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 18:43:23,828 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 18:43:23,828 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 18:43:23,830 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 18:43:23,975 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 18:43:23,977 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 18:43:24,395 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 18:43:24,479 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 18:43:24,480 INFO L307 CfgBuilder]: Removed 6 assume(true) statements. [2023-11-17 18:43:24,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:43:24 BoogieIcfgContainer [2023-11-17 18:43:24,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 18:43:24,484 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 18:43:24,484 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 18:43:24,487 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 18:43:24,487 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 06:43:23" (1/3) ... [2023-11-17 18:43:24,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56923222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:43:24, skipping insertion in model container [2023-11-17 18:43:24,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 06:43:23" (2/3) ... [2023-11-17 18:43:24,488 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56923222 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 06:43:24, skipping insertion in model container [2023-11-17 18:43:24,488 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 06:43:24" (3/3) ... [2023-11-17 18:43:24,489 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2023-11-17 18:43:24,497 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 18:43:24,506 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 18:43:24,506 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 18:43:24,506 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 18:43:24,563 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-17 18:43:24,604 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:43:24,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 18:43:24,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:43:24,606 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 18:43:24,612 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 18:43:24,638 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 18:43:24,649 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 18:43:24,655 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;@7926c406, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 18:43:24,655 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-17 18:43:24,894 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 1 more)] === [2023-11-17 18:43:24,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:43:24,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1132904010, now seen corresponding path program 1 times [2023-11-17 18:43:24,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:43:24,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560691132] [2023-11-17 18:43:24,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:43:24,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:43:25,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:43:25,205 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 18:43:25,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:43:25,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560691132] [2023-11-17 18:43:25,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560691132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:43:25,206 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:43:25,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 18:43:25,208 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687857601] [2023-11-17 18:43:25,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:43:25,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 18:43:25,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:43:25,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 18:43:25,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 18:43:25,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:25,236 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:43:25,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 94.0) internal successors, (188), 2 states have internal predecessors, (188), 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 18:43:25,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:25,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:25,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 18:43:25,285 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 1 more)] === [2023-11-17 18:43:25,286 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:43:25,286 INFO L85 PathProgramCache]: Analyzing trace with hash -1886392953, now seen corresponding path program 1 times [2023-11-17 18:43:25,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:43:25,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966651409] [2023-11-17 18:43:25,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:43:25,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:43:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:43:25,836 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-17 18:43:25,837 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:43:25,837 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966651409] [2023-11-17 18:43:25,838 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966651409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 18:43:25,838 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 18:43:25,838 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-17 18:43:25,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430549893] [2023-11-17 18:43:25,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 18:43:25,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-17 18:43:25,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:43:25,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-17 18:43:25,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-11-17 18:43:25,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:25,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:43:25,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 26.0) internal successors, (182), 7 states have internal predecessors, (182), 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 18:43:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:25,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:26,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:26,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:43:26,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 18:43:26,131 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 1 more)] === [2023-11-17 18:43:26,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:43:26,133 INFO L85 PathProgramCache]: Analyzing trace with hash -413245434, now seen corresponding path program 1 times [2023-11-17 18:43:26,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:43:26,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381295746] [2023-11-17 18:43:26,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:43:26,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:43:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:43:26,668 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 18:43:26,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:43:26,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381295746] [2023-11-17 18:43:26,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381295746] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:43:26,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631752683] [2023-11-17 18:43:26,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:43:26,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:43:26,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:43:26,719 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 18:43:26,745 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 18:43:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:43:26,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 18:43:26,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:43:27,318 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 18:43:27,318 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:43:27,661 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-17 18:43:27,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631752683] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:43:27,661 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:43:27,675 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-11-17 18:43:27,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539013138] [2023-11-17 18:43:27,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:43:27,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-17 18:43:27,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:43:27,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-17 18:43:27,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-11-17 18:43:27,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:27,678 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:43:27,679 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 12.75) internal successors, (306), 24 states have internal predecessors, (306), 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 18:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:43:27,679 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:28,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:43:28,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 18:43:28,036 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 18:43:28,229 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 18:43:28,229 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 1 more)] === [2023-11-17 18:43:28,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:43:28,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1703094937, now seen corresponding path program 2 times [2023-11-17 18:43:28,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:43:28,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509286861] [2023-11-17 18:43:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:43:28,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:43:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:43:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 17 proven. 10 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 18:43:28,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:43:28,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509286861] [2023-11-17 18:43:28,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1509286861] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:43:28,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1059682095] [2023-11-17 18:43:28,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 18:43:28,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:43:28,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:43:28,623 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 18:43:28,650 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 18:43:28,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 18:43:28,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:43:28,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 531 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-17 18:43:28,827 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:43:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 18:43:29,090 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:43:29,373 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 9 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-17 18:43:29,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1059682095] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 18:43:29,374 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 18:43:29,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-11-17 18:43:29,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1291544642] [2023-11-17 18:43:29,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 18:43:29,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-11-17 18:43:29,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 18:43:29,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-11-17 18:43:29,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-11-17 18:43:29,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:29,377 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 18:43:29,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 16.875) internal successors, (405), 24 states have internal predecessors, (405), 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 18:43:29,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:29,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:43:29,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-11-17 18:43:29,378 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:29,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 18:43:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-17 18:43:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-17 18:43:29,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-17 18:43:29,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-17 18:43:30,146 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 18:43:30,147 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 1 more)] === [2023-11-17 18:43:30,147 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 18:43:30,148 INFO L85 PathProgramCache]: Analyzing trace with hash -152195637, now seen corresponding path program 3 times [2023-11-17 18:43:30,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 18:43:30,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223488166] [2023-11-17 18:43:30,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 18:43:30,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 18:43:30,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 18:43:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-11-17 18:43:40,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 18:43:40,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1223488166] [2023-11-17 18:43:40,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1223488166] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 18:43:40,018 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [504556974] [2023-11-17 18:43:40,018 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 18:43:40,018 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:43:40,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 18:43:40,019 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 18:43:40,027 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 18:43:40,275 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-11-17 18:43:40,276 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 18:43:40,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 132 conjunts are in the unsatisfiable core [2023-11-17 18:43:40,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 18:43:42,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-17 18:43:43,908 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 18:43:43,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-17 18:43:45,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 18:43:45,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-17 18:43:46,593 INFO L349 Elim1Store]: treesize reduction 23, result has 32.4 percent of original size [2023-11-17 18:43:46,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 34 [2023-11-17 18:43:46,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 18:43:46,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-17 18:43:46,981 INFO L349 Elim1Store]: treesize reduction 29, result has 23.7 percent of original size [2023-11-17 18:43:46,981 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 45 [2023-11-17 18:43:46,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-17 18:43:48,296 INFO L349 Elim1Store]: treesize reduction 142, result has 34.6 percent of original size [2023-11-17 18:43:48,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 2 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 17 case distinctions, treesize of input 79 treesize of output 133 [2023-11-17 18:44:16,464 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 18:44:16,464 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 13 [2023-11-17 18:44:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-17 18:44:16,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 18:44:22,519 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_24 Int) (v_ArrVal_240 (Array Int Int))) (or (< v_thread3Thread1of1ForFork1_~i~2_24 1) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240))) (let ((.cse7 (select .cse4 c_~A~0.base))) (let ((.cse5 (let ((.cse8 (* c_~N~0 4))) (store (select .cse4 c_~C~0.base) (+ .cse8 (- 4) c_~C~0.offset) (+ (select .cse7 (+ c_~A~0.offset .cse8 (- 4))) (select (select .cse4 c_~B~0.base) (+ .cse8 (- 4) c_~B~0.offset)))))) (.cse6 (* c_thread1Thread1of1ForFork2_~i~0 4))) (let ((.cse1 (select .cse7 (+ c_~A~0.offset .cse6))) (.cse0 (select .cse5 c_~C~0.offset)) (.cse3 (select .cse5 (+ (* v_thread3Thread1of1ForFork1_~i~2_24 4) c_~C~0.offset))) (.cse2 (select (select (store .cse4 c_~C~0.base .cse5) c_~B~0.base) (+ .cse6 c_~B~0.offset)))) (= (+ .cse0 (* 4294967296 (div (+ .cse1 c_~asum~0 c_~bsum~0 .cse2) 4294967296)) .cse3 c_~csum~0) (+ .cse1 (* (div (+ .cse0 .cse3 c_~csum~0) 4294967296) 4294967296) c_~asum~0 c_~bsum~0 .cse2)))))) (< c_~N~0 (+ v_thread3Thread1of1ForFork1_~i~2_24 1)))) is different from false [2023-11-17 18:44:22,595 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_24 Int) (v_ArrVal_240 (Array Int Int))) (or (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240))) (let ((.cse7 (select .cse4 c_~A~0.base))) (let ((.cse6 (* |c_thread1Thread1of1ForFork2_#t~post1| 4)) (.cse5 (let ((.cse8 (* c_~N~0 4))) (store (select .cse4 c_~C~0.base) (+ .cse8 (- 4) c_~C~0.offset) (+ (select .cse7 (+ c_~A~0.offset .cse8 (- 4))) (select (select .cse4 c_~B~0.base) (+ .cse8 (- 4) c_~B~0.offset))))))) (let ((.cse0 (select .cse5 c_~C~0.offset)) (.cse1 (select .cse5 (+ (* v_thread3Thread1of1ForFork1_~i~2_24 4) c_~C~0.offset))) (.cse2 (select .cse7 (+ c_~A~0.offset .cse6 4))) (.cse3 (select (select (store .cse4 c_~C~0.base .cse5) c_~B~0.base) (+ .cse6 4 c_~B~0.offset)))) (= (+ .cse0 .cse1 c_~csum~0 (* (div (+ c_~asum~0 c_~bsum~0 .cse2 .cse3) 4294967296) 4294967296)) (+ (* (div (+ .cse0 .cse1 c_~csum~0) 4294967296) 4294967296) c_~asum~0 c_~bsum~0 .cse2 .cse3)))))) (< v_thread3Thread1of1ForFork1_~i~2_24 1) (< c_~N~0 (+ v_thread3Thread1of1ForFork1_~i~2_24 1)))) is different from false [2023-11-17 18:44:24,081 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_thread3Thread1of1ForFork1_~i~2_24 Int) (v_ArrVal_240 (Array Int Int))) (or (let ((.cse7 (store (store |c_#memory_int| c_~C~0.base (store (select |c_#memory_int| c_~C~0.base) c_~C~0.offset (+ (select (select |c_#memory_int| c_~A~0.base) c_~A~0.offset) (select (select |c_#memory_int| c_~B~0.base) c_~B~0.offset)))) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240))) (let ((.cse6 (select .cse7 c_~A~0.base))) (let ((.cse5 (* c_thread1Thread1of1ForFork2_~i~0 4)) (.cse4 (let ((.cse8 (* c_~N~0 4))) (store (select .cse7 c_~C~0.base) (+ .cse8 (- 4) c_~C~0.offset) (+ (select .cse6 (+ c_~A~0.offset .cse8 (- 4))) (select (select .cse7 c_~B~0.base) (+ .cse8 (- 4) c_~B~0.offset))))))) (let ((.cse0 (select .cse4 c_~C~0.offset)) (.cse2 (select .cse6 (+ c_~A~0.offset .cse5 4))) (.cse3 (select (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240) c_~C~0.base .cse4) c_~B~0.base) (+ .cse5 4 c_~B~0.offset))) (.cse1 (select .cse4 (+ (* v_thread3Thread1of1ForFork1_~i~2_24 4) c_~C~0.offset)))) (= (+ (* (div (+ .cse0 c_~csum~0 .cse1) 4294967296) 4294967296) .cse2 c_~asum~0 c_~bsum~0 .cse3) (+ .cse0 (* (div (+ .cse2 c_~asum~0 c_~bsum~0 .cse3) 4294967296) 4294967296) c_~csum~0 .cse1)))))) (< v_thread3Thread1of1ForFork1_~i~2_24 1) (< c_~N~0 (+ v_thread3Thread1of1ForFork1_~i~2_24 1)))) is different from false [2023-11-17 18:44:25,468 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_238 (Array Int Int)) (v_thread3Thread1of1ForFork1_~i~2_24 Int) (v_ArrVal_240 (Array Int Int))) (or (< v_thread3Thread1of1ForFork1_~i~2_24 1) (let ((.cse6 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_238))) (let ((.cse8 (select .cse6 c_~B~0.base))) (let ((.cse10 (store (store .cse6 c_~C~0.base (store (select .cse6 c_~C~0.base) c_~C~0.offset (+ (select .cse8 c_~B~0.offset) (select (select .cse6 c_~A~0.base) c_~A~0.offset)))) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240))) (let ((.cse9 (select .cse10 c_~A~0.base))) (let ((.cse7 (* c_thread1Thread1of1ForFork2_~i~0 4)) (.cse5 (let ((.cse11 (* c_~N~0 4))) (store (select .cse10 c_~C~0.base) (+ .cse11 (- 4) c_~C~0.offset) (+ (select .cse9 (+ c_~A~0.offset .cse11 (- 4))) (select (select .cse10 c_~B~0.base) (+ .cse11 (- 4) c_~B~0.offset))))))) (let ((.cse1 (select .cse5 c_~C~0.offset)) (.cse0 (select .cse9 (+ c_~A~0.offset .cse7 4))) (.cse3 (select .cse8 (+ .cse7 c_~B~0.offset))) (.cse4 (select (select (store (store .cse6 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240) c_~C~0.base .cse5) c_~B~0.base) (+ .cse7 4 c_~B~0.offset))) (.cse2 (select .cse5 (+ (* v_thread3Thread1of1ForFork1_~i~2_24 4) c_~C~0.offset)))) (= (+ .cse0 (* (div (+ .cse1 .cse2 c_~csum~0) 4294967296) 4294967296) c_~asum~0 c_~bsum~0 .cse3 .cse4) (+ .cse1 (* (div (+ .cse0 c_~asum~0 c_~bsum~0 .cse3 .cse4) 4294967296) 4294967296) .cse2 c_~csum~0)))))))) (< c_~N~0 (+ v_thread3Thread1of1ForFork1_~i~2_24 1)))) is different from false [2023-11-17 18:44:25,495 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_238 (Array Int Int)) (v_thread3Thread1of1ForFork1_~i~2_24 Int) (v_ArrVal_240 (Array Int Int))) (or (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_238))) (let ((.cse8 (select .cse5 c_~B~0.base))) (let ((.cse10 (store (store .cse5 c_~C~0.base (store (select .cse5 c_~C~0.base) c_~C~0.offset (+ (select .cse8 c_~B~0.offset) (select (select .cse5 c_~A~0.base) c_~A~0.offset)))) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240))) (let ((.cse9 (select .cse10 c_~A~0.base))) (let ((.cse7 (* c_thread1Thread1of1ForFork2_~i~0 4)) (.cse6 (let ((.cse11 (* c_~N~0 4))) (store (select .cse10 c_~C~0.base) (+ .cse11 (- 4) c_~C~0.offset) (+ (select .cse9 (+ c_~A~0.offset .cse11 (- 4))) (select (select .cse10 c_~B~0.base) (+ .cse11 (- 4) c_~B~0.offset))))))) (let ((.cse1 (select .cse6 c_~C~0.offset)) (.cse2 (select .cse6 (+ (* v_thread3Thread1of1ForFork1_~i~2_24 4) c_~C~0.offset))) (.cse0 (select .cse9 (+ c_~A~0.offset .cse7 4))) (.cse3 (select .cse8 (+ .cse7 c_~B~0.offset))) (.cse4 (select (select (store (store .cse5 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_240) c_~C~0.base .cse6) c_~B~0.base) (+ .cse7 4 c_~B~0.offset)))) (= (+ .cse0 (* (div (+ .cse1 .cse2 c_~csum~0) 4294967296) 4294967296) c_~asum~0 |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0 .cse3 .cse4) (+ .cse1 .cse2 c_~csum~0 (* (div (+ .cse0 c_~asum~0 |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0 .cse3 .cse4) 4294967296) 4294967296))))))))) (< v_thread3Thread1of1ForFork1_~i~2_24 1) (< c_~N~0 (+ v_thread3Thread1of1ForFork1_~i~2_24 1)))) is different from false [2023-11-17 18:45:10,310 WARN L293 SmtUtils]: Spent 39.93s on a formula simplification that was a NOOP. DAG size: 19 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-11-17 18:45:10,311 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 18:45:10,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 260763894 treesize of output 241543950 Received shutdown request... [2023-11-17 18:52:40,112 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 18:52:40,112 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-11-17 18:52:40,112 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 18:52:40,263 WARN L235 SmtUtils]: Removed 18 from assertion stack [2023-11-17 18:52:40,265 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-17 18:52:40,271 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 18:52:40,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 18:52:40,466 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 247 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 445351ms.. [2023-11-17 18:52:40,467 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-17 18:52:40,467 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-17 18:52:40,468 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-17 18:52:40,472 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-11-17 18:52:40,474 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 18:52:40,475 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 18:52:40,477 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 06:52:40 BasicIcfg [2023-11-17 18:52:40,477 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 18:52:40,477 INFO L158 Benchmark]: Toolchain (without parser) took 557036.29ms. Allocated memory was 194.0MB in the beginning and 808.5MB in the end (delta: 614.5MB). Free memory was 141.4MB in the beginning and 505.6MB in the end (delta: -364.3MB). Peak memory consumption was 490.8MB. Max. memory is 8.0GB. [2023-11-17 18:52:40,477 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 18:52:40,478 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.48ms. Allocated memory is still 194.0MB. Free memory was 141.0MB in the beginning and 129.2MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 18:52:40,478 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.07ms. Allocated memory is still 194.0MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:52:40,478 INFO L158 Benchmark]: Boogie Preprocessor took 41.66ms. Allocated memory is still 194.0MB. Free memory was 127.1MB in the beginning and 125.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 18:52:40,479 INFO L158 Benchmark]: RCFGBuilder took 725.46ms. Allocated memory was 194.0MB in the beginning and 307.2MB in the end (delta: 113.2MB). Free memory was 125.3MB in the beginning and 272.3MB in the end (delta: -147.0MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. [2023-11-17 18:52:40,479 INFO L158 Benchmark]: TraceAbstraction took 555993.23ms. Allocated memory was 307.2MB in the beginning and 808.5MB in the end (delta: 501.2MB). Free memory was 271.8MB in the beginning and 505.6MB in the end (delta: -233.9MB). Peak memory consumption was 506.4MB. Max. memory is 8.0GB. [2023-11-17 18:52:40,481 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 194.0MB. Free memory is still 140.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 221.48ms. Allocated memory is still 194.0MB. Free memory was 141.0MB in the beginning and 129.2MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.07ms. Allocated memory is still 194.0MB. Free memory was 129.2MB in the beginning and 127.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 41.66ms. Allocated memory is still 194.0MB. Free memory was 127.1MB in the beginning and 125.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 725.46ms. Allocated memory was 194.0MB in the beginning and 307.2MB in the end (delta: 113.2MB). Free memory was 125.3MB in the beginning and 272.3MB in the end (delta: -147.0MB). Peak memory consumption was 33.7MB. Max. memory is 8.0GB. * TraceAbstraction took 555993.23ms. Allocated memory was 307.2MB in the beginning and 808.5MB in the end (delta: 501.2MB). Free memory was 271.8MB in the beginning and 505.6MB in the end (delta: -233.9MB). Peak memory consumption was 506.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5053, independent: 4635, independent conditional: 1923, independent unconditional: 2712, dependent: 418, dependent conditional: 398, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4705, independent: 4635, independent conditional: 1923, independent unconditional: 2712, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4705, independent: 4635, independent conditional: 1923, independent unconditional: 2712, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4745, independent: 4635, independent conditional: 0, independent unconditional: 4635, dependent: 110, dependent conditional: 40, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4745, independent: 4635, independent conditional: 0, independent unconditional: 4635, dependent: 110, dependent conditional: 5, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4745, independent: 4635, independent conditional: 0, independent unconditional: 4635, dependent: 110, dependent conditional: 5, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2197, independent: 2176, independent conditional: 0, independent unconditional: 2176, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2197, independent: 2174, independent conditional: 0, independent unconditional: 2174, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 69, dependent conditional: 5, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4745, independent: 2459, independent conditional: 0, independent unconditional: 2459, dependent: 89, dependent conditional: 4, dependent unconditional: 85, unknown: 2197, unknown conditional: 1, unknown unconditional: 2196] , Statistics on independence cache: Total cache size (in pairs): 2197, Positive cache size: 2176, Positive conditional cache size: 0, Positive unconditional cache size: 2176, Negative cache size: 21, Negative conditional cache size: 1, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 35, Maximal queried relation: 1, Independence queries for same thread: 348 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 224, Number of trivial persistent sets: 186, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2732, independent: 2712, independent conditional: 0, independent unconditional: 2712, dependent: 20, dependent conditional: 0, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5053, independent: 4635, independent conditional: 1923, independent unconditional: 2712, dependent: 418, dependent conditional: 398, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4705, independent: 4635, independent conditional: 1923, independent unconditional: 2712, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 4705, independent: 4635, independent conditional: 1923, independent unconditional: 2712, dependent: 70, dependent conditional: 50, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4745, independent: 4635, independent conditional: 0, independent unconditional: 4635, dependent: 110, dependent conditional: 40, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 4745, independent: 4635, independent conditional: 0, independent unconditional: 4635, dependent: 110, dependent conditional: 5, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 4745, independent: 4635, independent conditional: 0, independent unconditional: 4635, dependent: 110, dependent conditional: 5, dependent unconditional: 105, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2197, independent: 2176, independent conditional: 0, independent unconditional: 2176, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2197, independent: 2174, independent conditional: 0, independent unconditional: 2174, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 21, dependent conditional: 1, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 103, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 69, dependent conditional: 5, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 4745, independent: 2459, independent conditional: 0, independent unconditional: 2459, dependent: 89, dependent conditional: 4, dependent unconditional: 85, unknown: 2197, unknown conditional: 1, unknown unconditional: 2196] , Statistics on independence cache: Total cache size (in pairs): 2197, Positive cache size: 2176, Positive conditional cache size: 0, Positive unconditional cache size: 2176, Negative cache size: 21, Negative conditional cache size: 1, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 35, Maximal queried relation: 1, Independence queries for same thread: 348 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 247 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 445351ms.. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 247 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 445351ms.. - TimeoutResultAtElement [Line: 95]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 247 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 445351ms.. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 247 with TraceHistMax 2,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 139 for 445351ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 261 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 555.9s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.5s, 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: 45, 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, 0.3s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1309 NumberOfCodeBlocks, 1309 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1756 ConstructedInterpolants, 0 QuantifiedInterpolants, 4518 SizeOfPredicates, 18 NumberOfNonLiveVariables, 1026 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 209/250 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