/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/pthread-ext/37_stack_lock_p0_vs_concur.i -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.datarace-free-lbe-02cf818-m [2023-11-17 17:06:10,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-17 17:06:11,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistent.epf [2023-11-17 17:06:11,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-17 17:06:11,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-17 17:06:11,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-17 17:06:11,043 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-17 17:06:11,043 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-17 17:06:11,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-17 17:06:11,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-17 17:06:11,044 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-17 17:06:11,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-17 17:06:11,045 INFO L153 SettingsManager]: * Use SBE=true [2023-11-17 17:06:11,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-17 17:06:11,045 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-17 17:06:11,045 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-17 17:06:11,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-17 17:06:11,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-17 17:06:11,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-17 17:06:11,046 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-17 17:06:11,046 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-17 17:06:11,047 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-17 17:06:11,047 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-17 17:06:11,047 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-17 17:06:11,047 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-17 17:06:11,048 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-17 17:06:11,048 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-17 17:06:11,048 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-11-17 17:06:11,048 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-17 17:06:11,048 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:06:11,049 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-17 17:06:11,049 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-17 17:06:11,049 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-17 17:06:11,049 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-17 17:06:11,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-17 17:06:11,049 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-17 17:06:11,050 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-11-17 17:06:11,050 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-17 17:06:11,050 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-11-17 17:06:11,050 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2023-11-17 17:06:11,050 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> PSEUDO_LOCKSTEP [2023-11-17 17:06:11,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-17 17:06:11,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-17 17:06:11,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-17 17:06:11,233 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-17 17:06:11,234 INFO L274 PluginConnector]: CDTParser initialized [2023-11-17 17:06:11,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-11-17 17:06:12,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-17 17:06:12,473 INFO L384 CDTParser]: Found 1 translation units. [2023-11-17 17:06:12,473 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i [2023-11-17 17:06:12,484 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b6828de3/97e035c0d4014c299c00f3288b3b6efd/FLAGa79da7220 [2023-11-17 17:06:12,495 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b6828de3/97e035c0d4014c299c00f3288b3b6efd [2023-11-17 17:06:12,497 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-17 17:06:12,498 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-11-17 17:06:12,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-17 17:06:12,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-17 17:06:12,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-17 17:06:12,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,503 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64072907 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12, skipping insertion in model container [2023-11-17 17:06:12,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,539 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-17 17:06:12,772 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i[30907,30920] [2023-11-17 17:06:12,780 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:06:12,788 INFO L202 MainTranslator]: Completed pre-run [2023-11-17 17:06:12,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/37_stack_lock_p0_vs_concur.i[30907,30920] [2023-11-17 17:06:12,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-17 17:06:12,861 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:06:12,861 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-17 17:06:12,867 INFO L206 MainTranslator]: Completed translation [2023-11-17 17:06:12,867 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12 WrapperNode [2023-11-17 17:06:12,867 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-17 17:06:12,870 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-17 17:06:12,870 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-17 17:06:12,870 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-17 17:06:12,875 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,887 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,909 INFO L138 Inliner]: procedures = 173, calls = 30, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2023-11-17 17:06:12,909 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-17 17:06:12,910 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-17 17:06:12,910 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-17 17:06:12,910 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-17 17:06:12,915 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,932 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,935 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,940 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,942 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-17 17:06:12,943 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-17 17:06:12,943 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-17 17:06:12,943 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-17 17:06:12,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (1/1) ... [2023-11-17 17:06:12,953 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-17 17:06:12,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:06:12,974 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 17:06:13,041 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 17:06:13,059 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2023-11-17 17:06:13,060 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-17 17:06:13,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-17 17:06:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-17 17:06:13,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-17 17:06:13,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-17 17:06:13,063 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 17:06:13,193 INFO L239 CfgBuilder]: Building ICFG [2023-11-17 17:06:13,195 INFO L265 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-17 17:06:13,313 INFO L280 CfgBuilder]: Performing block encoding [2023-11-17 17:06:13,385 INFO L302 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-17 17:06:13,386 INFO L307 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-17 17:06:13,387 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:06:13 BoogieIcfgContainer [2023-11-17 17:06:13,387 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-17 17:06:13,389 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-17 17:06:13,389 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-17 17:06:13,391 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-17 17:06:13,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:06:12" (1/3) ... [2023-11-17 17:06:13,391 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f378fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:06:13, skipping insertion in model container [2023-11-17 17:06:13,391 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:06:12" (2/3) ... [2023-11-17 17:06:13,392 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f378fa3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:06:13, skipping insertion in model container [2023-11-17 17:06:13,392 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:06:13" (3/3) ... [2023-11-17 17:06:13,392 INFO L112 eAbstractionObserver]: Analyzing ICFG 37_stack_lock_p0_vs_concur.i [2023-11-17 17:06:13,398 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-17 17:06:13,404 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-17 17:06:13,405 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-17 17:06:13,405 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-17 17:06:13,436 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-17 17:06:13,463 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:06:13,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-11-17 17:06:13,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:06:13,466 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 17:06:13,509 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 17:06:13,539 INFO L159 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-11-17 17:06:13,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2023-11-17 17:06:13,559 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;@377d05fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-17 17:06:13,559 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-17 17:06:13,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:06:13,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:06:13,777 INFO L85 PathProgramCache]: Analyzing trace with hash -646214766, now seen corresponding path program 1 times [2023-11-17 17:06:13,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:06:13,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1016500535] [2023-11-17 17:06:13,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:13,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:06:13,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:13,936 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-17 17:06:13,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:06:13,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1016500535] [2023-11-17 17:06:13,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1016500535] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:06:13,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:06:13,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-17 17:06:13,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386315953] [2023-11-17 17:06:13,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:06:13,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-17 17:06:13,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:06:13,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-17 17:06:13,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-17 17:06:13,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:13,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:06:13,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 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 17:06:13,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:13,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:13,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-17 17:06:14,000 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:06:14,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:06:14,000 INFO L85 PathProgramCache]: Analyzing trace with hash 250484070, now seen corresponding path program 1 times [2023-11-17 17:06:14,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:06:14,000 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000606959] [2023-11-17 17:06:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:14,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:06:14,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-17 17:06:14,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:06:14,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2000606959] [2023-11-17 17:06:14,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2000606959] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:06:14,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:06:14,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 17:06:14,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912212483] [2023-11-17 17:06:14,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:06:14,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-17 17:06:14,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:06:14,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-17 17:06:14,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-17 17:06:14,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:14,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:06:14,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 17:06:14,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:14,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:14,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:14,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:14,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-17 17:06:14,226 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:06:14,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:06:14,227 INFO L85 PathProgramCache]: Analyzing trace with hash -1320070046, now seen corresponding path program 1 times [2023-11-17 17:06:14,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:06:14,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674096372] [2023-11-17 17:06:14,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:14,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:06:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:14,649 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:06:14,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:06:14,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674096372] [2023-11-17 17:06:14,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674096372] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:06:14,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614705000] [2023-11-17 17:06:14,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:14,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:06:14,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:06:14,699 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 17:06:14,700 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 17:06:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:14,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-17 17:06:14,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:06:14,865 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 17:06:14,950 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-17 17:06:14,950 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 17:06:14,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-17 17:06:15,026 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 17:06:15,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:06:15,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:06:15,147 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:06:15,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 52 [2023-11-17 17:06:15,162 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:06:15,162 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 1 case distinctions, treesize of input 9 treesize of output 8 [2023-11-17 17:06:15,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 54 treesize of output 42 [2023-11-17 17:06:15,207 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 6 treesize of output 4 [2023-11-17 17:06:15,212 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 6 treesize of output 4 [2023-11-17 17:06:15,216 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 36 treesize of output 28 [2023-11-17 17:06:15,445 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:06:15,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614705000] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:06:15,445 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:06:15,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 16 [2023-11-17 17:06:15,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535754524] [2023-11-17 17:06:15,446 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:06:15,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2023-11-17 17:06:15,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:06:15,447 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-17 17:06:15,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=218, Unknown=1, NotChecked=0, Total=272 [2023-11-17 17:06:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:15,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:06:15,448 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 6.5) internal successors, (104), 17 states have internal predecessors, (104), 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 17:06:15,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:15,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:15,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:15,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:15,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:15,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:06:15,756 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 17:06:15,953 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 17:06:15,954 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:06:15,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:06:15,954 INFO L85 PathProgramCache]: Analyzing trace with hash -299021820, now seen corresponding path program 1 times [2023-11-17 17:06:15,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:06:15,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041961401] [2023-11-17 17:06:15,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:15,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:06:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:16,072 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-11-17 17:06:16,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:06:16,073 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041961401] [2023-11-17 17:06:16,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041961401] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-17 17:06:16,073 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-17 17:06:16,073 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-17 17:06:16,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674567308] [2023-11-17 17:06:16,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-17 17:06:16,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-17 17:06:16,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:06:16,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-17 17:06:16,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-17 17:06:16,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:16,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:06:16,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 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 17:06:16,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:06:16,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:06:16,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:06:16,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-17 17:06:16,252 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:06:16,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:06:16,252 INFO L85 PathProgramCache]: Analyzing trace with hash 42982788, now seen corresponding path program 2 times [2023-11-17 17:06:16,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:06:16,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1405310318] [2023-11-17 17:06:16,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:16,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:06:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:17,192 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:06:17,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:06:17,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1405310318] [2023-11-17 17:06:17,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1405310318] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:06:17,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [271274176] [2023-11-17 17:06:17,193 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-17 17:06:17,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:06:17,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:06:17,209 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 17:06:17,210 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 17:06:17,309 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-17 17:06:17,309 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:06:17,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-17 17:06:17,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:06:17,325 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 17:06:17,377 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-17 17:06:17,378 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-17 17:06:17,401 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-17 17:06:17,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2023-11-17 17:06:17,539 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:17,540 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-17 17:06:17,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-11-17 17:06:17,689 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:17,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-17 17:06:17,809 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:06:17,810 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 27 treesize of output 31 [2023-11-17 17:06:17,932 INFO L349 Elim1Store]: treesize reduction 44, result has 38.0 percent of original size [2023-11-17 17:06:17,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 51 [2023-11-17 17:06:18,070 INFO L349 Elim1Store]: treesize reduction 40, result has 40.3 percent of original size [2023-11-17 17:06:18,071 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 36 treesize of output 48 [2023-11-17 17:06:18,154 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 82 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:06:18,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-17 17:06:18,179 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) is different from false [2023-11-17 17:06:19,314 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-17 17:06:19,315 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 49 [2023-11-17 17:06:19,347 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 575 treesize of output 563 [2023-11-17 17:06:19,362 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 122 treesize of output 118 [2023-11-17 17:06:19,373 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 150 treesize of output 134 [2023-11-17 17:06:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 1 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 3 not checked. [2023-11-17 17:06:20,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [271274176] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-17 17:06:20,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-17 17:06:20,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 15, 16] total 44 [2023-11-17 17:06:20,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808994887] [2023-11-17 17:06:20,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-17 17:06:20,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2023-11-17 17:06:20,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-17 17:06:20,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2023-11-17 17:06:20,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1619, Unknown=12, NotChecked=84, Total=1980 [2023-11-17 17:06:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:20,483 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-11-17 17:06:20,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 44 states have (on average 5.909090909090909) internal successors, (260), 45 states have internal predecessors, (260), 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 17:06:20,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:20,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:20,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:06:20,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:06:20,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:24,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2023-11-17 17:06:24,651 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse3 (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|))) (let ((.cse4 (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)))) (.cse1 (select .cse3 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|)) (.cse0 (< 64 c_~next_alloc_idx~0)) (.cse2 (= c_~next_alloc_idx~0 0))) (and (or .cse0 (not (= (+ .cse1 1) 0)) .cse2 (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| (store .cse3 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)))) (or .cse4 (= 0 |c_thr1Thread1of1ForFork0_push_#t~mem3#1|)) (or .cse4 (= .cse1 0)) (or .cse0 .cse2 (forall ((v_ArrVal_173 (Array Int Int)) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| Int)) (let ((.cse5 (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|))) (or (not (= (select |c_#valid| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0)) (not (= (+ (select .cse5 0) 1) 0)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| (store .cse5 0 c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0) 0)))))) (= 5 c_~top~0) (or .cse0 .cse2 (forall ((v_ArrVal_169 Int) (v_ArrVal_173 (Array Int Int)) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| Int)) (let ((.cse6 (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|))) (or (not (= (select (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_169) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0)) (not (= (+ (select .cse6 0) 1) 0)) (not (= (select (select (store (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| (store .cse6 0 c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0) 0)))))) (let ((.cse9 (+ c_~next_alloc_idx~0 2))) (or (< 62 c_~next_alloc_idx~0) (forall ((v_ArrVal_169 Int) (v_ArrVal_173 (Array Int Int)) (v_ArrVal_164 Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| Int)) (let ((.cse7 (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36|) 0 c_~next_alloc_idx~0)))) (let ((.cse8 (select .cse7 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|))) (or (not (= (select (select (store (store .cse7 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| (store .cse8 0 .cse9)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0) 0)) (not (= (select (store (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_164) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| v_ArrVal_169) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0)) (not (= (+ (select .cse8 0) 1) 0)))))) (= .cse9 0)))))) is different from false [2023-11-17 17:06:26,159 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|))) (let ((.cse2 (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)))) (.cse0 (select .cse1 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|))) (and (or (< 64 c_~next_alloc_idx~0) (not (= (+ .cse0 1) 0)) (= c_~next_alloc_idx~0 0) (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| (store .cse1 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)))) (or .cse2 (= 0 |c_thr1Thread1of1ForFork0_push_#t~mem3#1|)) (or .cse2 (= .cse0 0)) (not (= c_~top~0 0))))) is different from false [2023-11-17 17:06:26,620 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 (select |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|))) (let ((.cse2 (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)))) (.cse0 (select .cse1 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|))) (and (or (< 64 c_~next_alloc_idx~0) (not (= (+ .cse0 1) 0)) (= c_~next_alloc_idx~0 0) (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store (store |c_#memory_int| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| (store .cse1 |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset| c_~next_alloc_idx~0)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0)))) (or .cse2 (= 0 |c_thr1Thread1of1ForFork0_push_#t~mem3#1|)) (or .cse2 (= .cse0 0)) (= 5 c_~top~0) (let ((.cse5 (+ c_~next_alloc_idx~0 2))) (or (< 62 c_~next_alloc_idx~0) (forall ((v_ArrVal_169 Int) (v_ArrVal_173 (Array Int Int)) (v_ArrVal_164 Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| Int)) (let ((.cse3 (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36|) 0 c_~next_alloc_idx~0)))) (let ((.cse4 (select .cse3 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|))) (or (not (= (select (select (store (store .cse3 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| (store .cse4 0 .cse5)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0) 0)) (not (= (select (store (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_164) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| v_ArrVal_169) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0)) (not (= (+ (select .cse4 0) 1) 0)))))) (= .cse5 0)))))) is different from false [2023-11-17 17:06:26,625 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_173 (Array Int Int))) (not (= (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base|) |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.offset|) 0))) (let ((.cse2 (+ c_~next_alloc_idx~0 2))) (or (< 62 c_~next_alloc_idx~0) (forall ((v_ArrVal_169 Int) (v_ArrVal_173 (Array Int Int)) (v_ArrVal_164 Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| Int) (|v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| Int)) (let ((.cse0 (store |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| (store (select |c_#memory_int| |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36|) 0 c_~next_alloc_idx~0)))) (let ((.cse1 (select .cse0 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|))) (or (not (= (select (select (store (store .cse0 |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32| (store .cse1 0 .cse2)) |c_ULTIMATE.start_main_~#t~0#1.base| v_ArrVal_173) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0) 0)) (not (= (select (store (store |c_#valid| |c_thr1Thread1of1ForFork0_push_~#newTop~0#1.base| v_ArrVal_164) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_36| v_ArrVal_169) |v_thr1Thread1of1ForFork0_push_~#newTop~0#1.base_32|) 0)) (not (= (+ (select .cse1 0) 1) 0)))))) (= .cse2 0)))) is different from false [2023-11-17 17:06:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-17 17:06:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-17 17:06:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-17 17:06:27,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-17 17:06:27,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-11-17 17:06:27,862 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 17:06:28,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:06:28,044 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-17 17:06:28,044 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-17 17:06:28,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1217772185, now seen corresponding path program 3 times [2023-11-17 17:06:28,045 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-17 17:06:28,045 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113000290] [2023-11-17 17:06:28,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-17 17:06:28,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-17 17:06:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-17 17:06:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 1 proven. 394 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-17 17:06:29,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-17 17:06:29,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113000290] [2023-11-17 17:06:29,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113000290] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-17 17:06:29,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [700196781] [2023-11-17 17:06:29,731 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-11-17 17:06:29,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:06:29,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-11-17 17:06:29,753 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 17:06:29,754 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 17:06:29,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-11-17 17:06:29,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-17 17:06:29,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 67 conjunts are in the unsatisfiable core [2023-11-17 17:06:29,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-17 17:06:29,928 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 17:06:29,981 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2023-11-17 17:06:29,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2023-11-17 17:06:30,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-17 17:06:30,108 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 14 treesize of output 9 [2023-11-17 17:06:30,162 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:30,162 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2023-11-17 17:06:30,196 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 11 treesize of output 7 [2023-11-17 17:06:30,311 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:30,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2023-11-17 17:06:30,417 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:30,417 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 29 [2023-11-17 17:06:30,525 INFO L349 Elim1Store]: treesize reduction 36, result has 61.7 percent of original size [2023-11-17 17:06:30,525 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 85 [2023-11-17 17:06:30,818 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:30,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2023-11-17 17:06:31,005 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:31,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 44 [2023-11-17 17:06:31,259 INFO L349 Elim1Store]: treesize reduction 96, result has 44.5 percent of original size [2023-11-17 17:06:31,260 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 68 treesize of output 116 [2023-11-17 17:06:31,720 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:31,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 56 treesize of output 55 [2023-11-17 17:06:32,169 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-17 17:06:32,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 90 [2023-11-17 17:06:33,316 INFO L349 Elim1Store]: treesize reduction 156, result has 83.1 percent of original size [2023-11-17 17:06:33,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 91 case distinctions, treesize of input 174 treesize of output 857 [2023-11-17 17:11:55,208 WARN L293 SmtUtils]: Spent 5.12s on a formula simplification that was a NOOP. DAG size: 13006 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 17:15:18,163 WARN L293 SmtUtils]: Spent 7.68s on a formula simplification. DAG size of input: 8139 DAG size of output: 8142 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-17 17:15:31,500 WARN L293 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 8120 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-11-17 17:15:32,077 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 17:15:32,077 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 17:15:32,077 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 17:15:32,093 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-17 17:15:32,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-11-17 17:15:32,298 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-17 17:15:32,298 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 183 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-95-4-22-3-10-3-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. [2023-11-17 17:15:32,306 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1, 1] [2023-11-17 17:15:32,307 INFO L307 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was TIMEOUT (1/2) [2023-11-17 17:15:32,309 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-17 17:15:32,309 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-17 17:15:32,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 05:15:32 BasicIcfg [2023-11-17 17:15:32,313 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-17 17:15:32,314 INFO L158 Benchmark]: Toolchain (without parser) took 559816.19ms. Allocated memory was 336.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 283.1MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 940.6MB. Max. memory is 8.0GB. [2023-11-17 17:15:32,316 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 243.3MB. Free memory is still 192.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-11-17 17:15:32,316 INFO L158 Benchmark]: CACSL2BoogieTranslator took 369.64ms. Allocated memory is still 336.6MB. Free memory was 283.1MB in the beginning and 263.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2023-11-17 17:15:32,317 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.62ms. Allocated memory is still 336.6MB. Free memory was 263.1MB in the beginning and 261.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-11-17 17:15:32,317 INFO L158 Benchmark]: Boogie Preprocessor took 32.34ms. Allocated memory is still 336.6MB. Free memory was 261.1MB in the beginning and 259.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-11-17 17:15:32,317 INFO L158 Benchmark]: RCFGBuilder took 444.48ms. Allocated memory is still 336.6MB. Free memory was 259.4MB in the beginning and 299.2MB in the end (delta: -39.8MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. [2023-11-17 17:15:32,317 INFO L158 Benchmark]: TraceAbstraction took 558925.00ms. Allocated memory was 336.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 298.7MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 955.9MB. Max. memory is 8.0GB. [2023-11-17 17:15:32,319 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 243.3MB. Free memory is still 192.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 369.64ms. Allocated memory is still 336.6MB. Free memory was 283.1MB in the beginning and 263.1MB in the end (delta: 19.9MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 39.62ms. Allocated memory is still 336.6MB. Free memory was 263.1MB in the beginning and 261.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 32.34ms. Allocated memory is still 336.6MB. Free memory was 261.1MB in the beginning and 259.4MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 444.48ms. Allocated memory is still 336.6MB. Free memory was 259.4MB in the beginning and 299.2MB in the end (delta: -39.8MB). Peak memory consumption was 21.4MB. Max. memory is 8.0GB. * TraceAbstraction took 558925.00ms. Allocated memory was 336.6MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 298.7MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 955.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2529, independent: 2181, independent conditional: 855, independent unconditional: 1326, dependent: 346, dependent conditional: 306, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2236, independent: 2181, independent conditional: 855, independent unconditional: 1326, dependent: 53, dependent conditional: 13, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2236, independent: 2181, independent conditional: 855, independent unconditional: 1326, dependent: 53, dependent conditional: 13, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2315, independent: 2181, independent conditional: 32, independent unconditional: 2149, dependent: 132, dependent conditional: 45, dependent unconditional: 87, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2315, independent: 2181, independent conditional: 32, independent unconditional: 2149, dependent: 132, dependent conditional: 24, dependent unconditional: 108, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2315, independent: 2181, independent conditional: 32, independent unconditional: 2149, dependent: 132, dependent conditional: 24, dependent unconditional: 108, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1055, independent: 998, independent conditional: 31, independent unconditional: 967, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1055, independent: 956, independent conditional: 0, independent unconditional: 956, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 42, independent conditional: 31, independent unconditional: 11, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 42, independent conditional: 31, independent unconditional: 11, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, independent: 162, independent conditional: 76, independent unconditional: 86, dependent: 144, dependent conditional: 40, dependent unconditional: 105, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2315, independent: 1183, independent conditional: 1, independent unconditional: 1182, dependent: 77, dependent conditional: 9, dependent unconditional: 68, unknown: 1055, unknown conditional: 48, unknown unconditional: 1007] , Statistics on independence cache: Total cache size (in pairs): 1053, Positive cache size: 998, Positive conditional cache size: 31, Positive unconditional cache size: 967, Negative cache size: 55, Negative conditional cache size: 15, Negative unconditional cache size: 40, Unknown cache size: 2, Unknown conditional cache size: 2, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 3, Independence queries for same thread: 293 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 133, Number of trivial persistent sets: 85, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1366, independent: 1326, independent conditional: 0, independent unconditional: 1326, dependent: 40, dependent conditional: 0, dependent unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2529, independent: 2181, independent conditional: 855, independent unconditional: 1326, dependent: 346, dependent conditional: 306, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2236, independent: 2181, independent conditional: 855, independent unconditional: 1326, dependent: 53, dependent conditional: 13, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2236, independent: 2181, independent conditional: 855, independent unconditional: 1326, dependent: 53, dependent conditional: 13, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2315, independent: 2181, independent conditional: 32, independent unconditional: 2149, dependent: 132, dependent conditional: 45, dependent unconditional: 87, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2315, independent: 2181, independent conditional: 32, independent unconditional: 2149, dependent: 132, dependent conditional: 24, dependent unconditional: 108, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2315, independent: 2181, independent conditional: 32, independent unconditional: 2149, dependent: 132, dependent conditional: 24, dependent unconditional: 108, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1055, independent: 998, independent conditional: 31, independent unconditional: 967, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1055, independent: 956, independent conditional: 0, independent unconditional: 956, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 99, independent: 42, independent conditional: 31, independent unconditional: 11, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 99, independent: 42, independent conditional: 31, independent unconditional: 11, dependent: 55, dependent conditional: 15, dependent unconditional: 40, unknown: 2, unknown conditional: 2, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 316, independent: 162, independent conditional: 76, independent unconditional: 86, dependent: 144, dependent conditional: 40, dependent unconditional: 105, unknown: 10, unknown conditional: 10, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2315, independent: 1183, independent conditional: 1, independent unconditional: 1182, dependent: 77, dependent conditional: 9, dependent unconditional: 68, unknown: 1055, unknown conditional: 48, unknown unconditional: 1007] , Statistics on independence cache: Total cache size (in pairs): 1053, Positive cache size: 998, Positive conditional cache size: 31, Positive unconditional cache size: 967, Negative cache size: 55, Negative conditional cache size: 15, Negative unconditional cache size: 40, Unknown cache size: 2, Unknown conditional cache size: 2, Unknown unconditional cache size: 0, Eliminated conditions: 21, Maximal queried relation: 3, Independence queries for same thread: 293 - TimeoutResultAtElement [Line: 729]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 183 with TraceHistMax 6,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ATOM-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-95-4-22-3-10-3-9-2-8-2-7-2-6-2-5-2-4-2-3-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 558.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 8.1s, 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: 99, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 513 NumberOfCodeBlocks, 513 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 660 ConstructedInterpolants, 110 QuantifiedInterpolants, 10103 SizeOfPredicates, 20 NumberOfNonLiveVariables, 392 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 96/357 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