/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 --rcfgbuilder.only.consider.context.switches.at.boundaries.of.atomic.blocks true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 14:18:28,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 14:18:29,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 14:18:29,020 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 14:18:29,021 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 14:18:29,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 14:18:29,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 14:18:29,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 14:18:29,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 14:18:29,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 14:18:29,054 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 14:18:29,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 14:18:29,055 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 14:18:29,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 14:18:29,057 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 14:18:29,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 14:18:29,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 14:18:29,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 14:18:29,058 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 14:18:29,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 14:18:29,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 14:18:29,058 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 14:18:29,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 14:18:29,060 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 14:18:29,060 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 14:18:29,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 14:18:29,061 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 14:18:29,061 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 14:18:29,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 14:18:29,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:18:29,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 14:18:29,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 14:18:29,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 14:18:29,063 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 14:18:29,064 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Only consider context switches at boundaries of atomic blocks -> true [2023-11-17 14:18:29,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 14:18:29,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 14:18:29,325 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 14:18:29,326 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 14:18:29,326 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 14:18:29,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-17 14:18:30,455 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 14:18:30,634 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 14:18:30,635 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-11-17 14:18:30,647 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bbe8ab5/a609afe672194d3fb6604d8847f31385/FLAG88f85fe60 [2023-11-17 14:18:30,669 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4bbe8ab5/a609afe672194d3fb6604d8847f31385 [2023-11-17 14:18:30,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 14:18:30,673 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 14:18:30,676 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 14:18:30,676 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 14:18:30,680 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 14:18:30,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f04df15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30, skipping insertion in model container [2023-11-17 14:18:30,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,707 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 14:18:30,857 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-more-array-sum-alt.wvr.c[2800,2813] [2023-11-17 14:18:30,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:18:30,873 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 14:18:30,890 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-more-array-sum-alt.wvr.c[2800,2813] [2023-11-17 14:18:30,894 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 14:18:30,900 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 14:18:30,900 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 14:18:30,906 INFO L206 MainTranslator]: Completed translation [2023-11-17 14:18:30,907 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30 WrapperNode [2023-11-17 14:18:30,907 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 14:18:30,908 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 14:18:30,908 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 14:18:30,908 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 14:18:30,913 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,925 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,949 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 209 [2023-11-17 14:18:30,949 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 14:18:30,950 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 14:18:30,950 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 14:18:30,950 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 14:18:30,957 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,965 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,965 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,972 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,975 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,977 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,978 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,981 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 14:18:30,982 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 14:18:30,982 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 14:18:30,982 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 14:18:30,982 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (1/1) ... [2023-11-17 14:18:30,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 14:18:30,999 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:18:31,010 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 14:18:31,022 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 14:18:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 14:18:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 14:18:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 14:18:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 14:18:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-17 14:18:31,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-17 14:18:31,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-17 14:18:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-17 14:18:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-11-17 14:18:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-11-17 14:18:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 14:18:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 14:18:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 14:18:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-17 14:18:31,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 14:18:31,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 14:18:31,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 14:18:31,044 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 14:18:31,133 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 14:18:31,135 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 14:18:31,416 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 14:18:31,709 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 14:18:31,709 INFO L307 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-17 14:18:31,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:18:31 BoogieIcfgContainer [2023-11-17 14:18:31,711 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 14:18:31,713 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 14:18:31,713 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 14:18:31,716 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 14:18:31,716 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 02:18:30" (1/3) ... [2023-11-17 14:18:31,717 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac23cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:18:31, skipping insertion in model container [2023-11-17 14:18:31,718 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 02:18:30" (2/3) ... [2023-11-17 14:18:31,719 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac23cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 02:18:31, skipping insertion in model container [2023-11-17 14:18:31,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 02:18:31" (3/3) ... [2023-11-17 14:18:31,720 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-11-17 14:18:31,729 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 14:18:31,737 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 14:18:31,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 14:18:31,737 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 14:18:31,797 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-11-17 14:18:31,841 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:18:31,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 14:18:31,842 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:18:31,845 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 14:18:31,878 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 14:18:31,891 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 14:18:31,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-11-17 14:18:31,910 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;@1f083c1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 14:18:31,910 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-11-17 14:18:32,130 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 14:18:32,135 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:18:32,135 INFO L85 PathProgramCache]: Analyzing trace with hash -764359458, now seen corresponding path program 1 times [2023-11-17 14:18:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:18:32,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [793509500] [2023-11-17 14:18:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:18:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:18:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:18:32,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-17 14:18:32,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:18:32,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [793509500] [2023-11-17 14:18:32,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [793509500] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 14:18:32,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 14:18:32,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 14:18:32,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352318940] [2023-11-17 14:18:32,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 14:18:32,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 14:18:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:18:32,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 14:18:32,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-11-17 14:18:32,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:18:32,694 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:18:32,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 4 states have internal predecessors, (33), 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 14:18:32,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:18:32,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:18:32,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 14:18:32,794 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 14:18:32,794 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:18:32,795 INFO L85 PathProgramCache]: Analyzing trace with hash -59642360, now seen corresponding path program 1 times [2023-11-17 14:18:32,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:18:32,795 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258220403] [2023-11-17 14:18:32,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:18:32,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:18:32,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:18:33,049 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:18:33,049 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:18:33,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258220403] [2023-11-17 14:18:33,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [258220403] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:18:33,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131183573] [2023-11-17 14:18:33,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:18:33,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:18:33,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:18:33,057 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 14:18:33,084 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 14:18:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:18:33,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-17 14:18:33,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:18:33,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:18:33,348 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:18:33,454 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 14:18:33,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2131183573] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:18:33,455 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:18:33,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 17 [2023-11-17 14:18:33,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108934956] [2023-11-17 14:18:33,456 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:18:33,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2023-11-17 14:18:33,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:18:33,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2023-11-17 14:18:33,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=239, Unknown=0, NotChecked=0, Total=306 [2023-11-17 14:18:33,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:18:33,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:18:33,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.2222222222222223) internal successors, (58), 17 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 14:18:33,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:18:33,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:18:33,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:18:33,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 14:18:33,678 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-17 14:18:33,878 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,SelfDestructingSolverStorable1 [2023-11-17 14:18:33,879 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 14:18:33,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:18:33,879 INFO L85 PathProgramCache]: Analyzing trace with hash 311751198, now seen corresponding path program 2 times [2023-11-17 14:18:33,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:18:33,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003236785] [2023-11-17 14:18:33,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:18:33,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:18:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 14:18:34,048 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:18:34,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 14:18:34,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003236785] [2023-11-17 14:18:34,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003236785] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 14:18:34,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [285231054] [2023-11-17 14:18:34,049 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 14:18:34,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:18:34,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 14:18:34,051 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 14:18:34,074 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 14:18:34,183 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 14:18:34,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 14:18:34,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-17 14:18:34,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 14:18:34,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:18:34,291 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 14:18:34,359 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-17 14:18:34,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [285231054] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 14:18:34,363 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 14:18:34,363 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2023-11-17 14:18:34,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497748540] [2023-11-17 14:18:34,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 14:18:34,364 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-11-17 14:18:34,364 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 14:18:34,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-17 14:18:34,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2023-11-17 14:18:34,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:18:34,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 14:18:34,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 4.714285714285714) internal successors, (66), 13 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-17 14:18:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:18:34,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-11-17 14:18:34,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 14:18:34,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 14:18:34,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-17 14:18:34,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 14:18:34,581 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 14:18:34,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 14:18:34,781 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 14:18:34,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 14:18:34,781 INFO L85 PathProgramCache]: Analyzing trace with hash 455812353, now seen corresponding path program 3 times [2023-11-17 14:18:34,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 14:18:34,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991210721] [2023-11-17 14:18:34,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 14:18:34,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 14:18:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 14:18:34,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-17 14:18:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-17 14:18:34,969 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-17 14:18:34,970 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-17 14:18:34,970 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-11-17 14:18:34,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-11-17 14:18:34,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-11-17 14:18:34,972 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-11-17 14:18:34,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 14:18:34,977 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1] [2023-11-17 14:18:34,980 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 14:18:34,980 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 14:18:35,049 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-17 14:18:35,050 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated [2023-11-17 14:18:35,052 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre15 could not be translated [2023-11-17 14:18:35,054 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre17 could not be translated [2023-11-17 14:18:35,060 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-17 14:18:35,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-17 14:18:35,061 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not [2023-11-17 14:18:35,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-17 14:18:35,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated [2023-11-17 14:18:35,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-11-17 14:18:35,062 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated [2023-11-17 14:18:35,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-17 14:18:35,063 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated [2023-11-17 14:18:35,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 02:18:35 BasicIcfg [2023-11-17 14:18:35,074 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 14:18:35,075 INFO L158 Benchmark]: Toolchain (without parser) took 4401.76ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 126.7MB in the beginning and 180.6MB in the end (delta: -54.0MB). Peak memory consumption was 109.1MB. Max. memory is 8.0GB. [2023-11-17 14:18:35,076 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 169.9MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 14:18:35,079 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.68ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 114.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2023-11-17 14:18:35,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.56ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:18:35,079 INFO L158 Benchmark]: Boogie Preprocessor took 31.14ms. Allocated memory is still 169.9MB. Free memory was 112.0MB in the beginning and 110.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 14:18:35,080 INFO L158 Benchmark]: RCFGBuilder took 729.35ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 105.3MB in the end (delta: 4.9MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. [2023-11-17 14:18:35,080 INFO L158 Benchmark]: TraceAbstraction took 3361.71ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 104.8MB in the beginning and 180.6MB in the end (delta: -75.8MB). Peak memory consumption was 86.2MB. Max. memory is 8.0GB. [2023-11-17 14:18:35,083 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 169.9MB. Free memory is still 128.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 231.68ms. Allocated memory is still 169.9MB. Free memory was 126.3MB in the beginning and 114.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.56ms. Allocated memory is still 169.9MB. Free memory was 114.5MB in the beginning and 112.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 31.14ms. Allocated memory is still 169.9MB. Free memory was 112.0MB in the beginning and 110.3MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 729.35ms. Allocated memory is still 169.9MB. Free memory was 110.3MB in the beginning and 105.3MB in the end (delta: 4.9MB). Peak memory consumption was 30.2MB. Max. memory is 8.0GB. * TraceAbstraction took 3361.71ms. Allocated memory was 169.9MB in the beginning and 213.9MB in the end (delta: 44.0MB). Free memory was 104.8MB in the beginning and 180.6MB in the end (delta: -75.8MB). Peak memory consumption was 86.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre13 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre15 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~pre17 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expected StepInfo for loop construct to contain Condition, but it did not - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem19 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem20 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem21 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1138, independent: 1037, independent conditional: 469, independent unconditional: 568, dependent: 101, dependent conditional: 83, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071, independent: 1037, independent conditional: 469, independent unconditional: 568, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1071, independent: 1037, independent conditional: 469, independent unconditional: 568, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083, independent: 1037, independent conditional: 0, independent unconditional: 1037, dependent: 46, dependent conditional: 12, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1083, independent: 1037, independent conditional: 0, independent unconditional: 1037, dependent: 46, dependent conditional: 1, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1083, independent: 1037, independent conditional: 0, independent unconditional: 1037, dependent: 46, dependent conditional: 1, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 491, independent: 472, independent conditional: 0, independent unconditional: 472, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 491, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 96, dependent conditional: 10, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1083, independent: 565, independent conditional: 0, independent unconditional: 565, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 491, unknown conditional: 1, unknown unconditional: 490] , Statistics on independence cache: Total cache size (in pairs): 491, Positive cache size: 472, Positive conditional cache size: 0, Positive unconditional cache size: 472, Negative cache size: 19, Negative conditional cache size: 1, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 1, Independence queries for same thread: 67 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 38, Number of trivial persistent sets: 21, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 586, independent: 568, independent conditional: 0, independent unconditional: 568, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1138, independent: 1037, independent conditional: 469, independent unconditional: 568, dependent: 101, dependent conditional: 83, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1071, independent: 1037, independent conditional: 469, independent unconditional: 568, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1071, independent: 1037, independent conditional: 469, independent unconditional: 568, dependent: 34, dependent conditional: 16, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1083, independent: 1037, independent conditional: 0, independent unconditional: 1037, dependent: 46, dependent conditional: 12, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1083, independent: 1037, independent conditional: 0, independent unconditional: 1037, dependent: 46, dependent conditional: 1, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1083, independent: 1037, independent conditional: 0, independent unconditional: 1037, dependent: 46, dependent conditional: 1, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 491, independent: 472, independent conditional: 0, independent unconditional: 472, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 491, independent: 470, independent conditional: 0, independent unconditional: 470, dependent: 21, dependent conditional: 0, dependent unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 21, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, independent: 40, independent conditional: 0, independent unconditional: 40, dependent: 96, dependent conditional: 10, dependent unconditional: 85, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1083, independent: 565, independent conditional: 0, independent unconditional: 565, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 491, unknown conditional: 1, unknown unconditional: 490] , Statistics on independence cache: Total cache size (in pairs): 491, Positive cache size: 472, Positive conditional cache size: 0, Positive unconditional cache size: 472, Negative cache size: 19, Negative conditional cache size: 1, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 11, Maximal queried relation: 1, Independence queries for same thread: 67 - CounterExampleResult [Line: 104]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L40] 0 int* A; [L41] 0 int res1, res2, M, N; [L86] 0 pthread_t t1, t2, t3; [L89] 0 M = __VERIFIER_nondet_int() [L90] 0 N = __VERIFIER_nondet_int() [L91] CALL, EXPR 0 create_fresh_int_array(N) [L110] CALL 0 assume_abort_if_not(size >= 0) [L37] COND FALSE 0 !(!cond) [L110] RET 0 assume_abort_if_not(size >= 0) [L111] CALL 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L37] COND FALSE 0 !(!cond) [L111] RET 0 assume_abort_if_not(size <= (((size_t) 4294967295) / sizeof(int))) [L113] 0 int* arr = (int*)malloc(sizeof(int) * (size_t)size); [L114] 0 int i = 0; VAL [A={0:0}, M=1, N=2, \old(size)=2, arr={-2:0}, i=0, res1=0, res2=0, size=2] [L114] COND TRUE 0 i < size [L115] 0 arr[i] = __VERIFIER_nondet_int() [L114] 0 i++ VAL [A={0:0}, M=1, N=2, \old(size)=2, arr={-2:0}, i=1, res1=0, res2=0, size=2] [L114] COND TRUE 0 i < size [L115] 0 arr[i] = __VERIFIER_nondet_int() [L114] 0 i++ VAL [A={0:0}, M=1, N=2, \old(size)=2, arr={-2:0}, i=2, res1=0, res2=0, size=2] [L114] COND FALSE 0 !(i < size) [L117] 0 return arr; [L91] RET, EXPR 0 create_fresh_int_array(N) [L91] 0 A = create_fresh_int_array(N) [L93] CALL 0 assume_abort_if_not(M >= 0 && M <= N) [L37] COND FALSE 0 !(!cond) [L93] RET 0 assume_abort_if_not(M >= 0 && M <= N) [L96] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [A={-2:0}, M=1, N=2, res1=0, res2=0, t1={3:0}, t2={5:0}, t3={6:0}] [L47] 1 int i=0; VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=0, res1=0, res2=0] [L47] COND TRUE 1 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L121] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L122] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L122] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L123] 1 return a + b; [L49] RET, EXPR 1 plus(res1, A[i]) [L49] 1 int tmp = plus(res1, A[i]); [L60] 2 int i=0; VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=0, res1=0, res2=0] [L52] 1 res1 = tmp VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=0, res1=-1, res2=0, tmp=-1] [L60] COND TRUE 2 i= 0 || a >= -2147483648 - b) [L37] COND FALSE 1 !(!cond) [L121] RET 1 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L122] CALL 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 1 !(!cond) [L122] RET 1 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L123] 1 return a + b; [L49] RET, EXPR 1 plus(res1, A[i]) [L49] 1 int tmp = plus(res1, A[i]); [L52] 1 res1 = tmp VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=1, res1=8, res2=0, tmp=8] [L47] 1 i++ VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=2, res1=8, res2=0, tmp=8] [L47] COND FALSE 1 !(i= 0 || a >= -2147483648 - b) [L37] COND FALSE 2 !(!cond) [L121] RET 2 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L122] CALL 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 2 !(!cond) [L122] RET 2 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L123] 2 return a + b; [L62] RET, EXPR 2 plus(res2, A[i]) [L62] 2 int tmp = plus(res2, A[i]); [L75] EXPR 3 A[i] [L75] CALL, EXPR 3 plus(res2, A[i]) [L121] CALL 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L37] COND FALSE 3 !(!cond) [L121] RET 3 assume_abort_if_not(b >= 0 || a >= -2147483648 - b) [L122] CALL 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L37] COND FALSE 3 !(!cond) [L122] RET 3 assume_abort_if_not(b <= 0 || a <= 2147483647 - b) [L123] 3 return a + b; [L75] RET, EXPR 3 plus(res2, A[i]) [L75] 3 int tmp = plus(res2, A[i]); [L65] 2 res2 = tmp VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=0, res1=8, res2=-1, tmp=-1] [L60] 2 i++ VAL [A={-2:0}, M=1, N=2, _argptr={0:0}, _argptr={0:0}, i=1, res1=8, res2=-1, tmp=-1] [L60] COND FALSE 2 !(i