/usr/bin/java -Xmx7000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data --traceabstraction.prune.known.deadend.states.from.previous.iterations false -s ../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_ERROR_LOCATION -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-07 06:46:27,843 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-07 06:46:27,901 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-07 06:46:27,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-07 06:46:27,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-07 06:46:27,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-07 06:46:27,915 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-07 06:46:27,916 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-07 06:46:27,916 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-07 06:46:27,916 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-07 06:46:27,916 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-07 06:46:27,917 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-07 06:46:27,917 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-07 06:46:27,917 INFO L153 SettingsManager]: * Use SBE=true [2023-09-07 06:46:27,917 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-07 06:46:27,917 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-07 06:46:27,918 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-07 06:46:27,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-07 06:46:27,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-07 06:46:27,918 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-07 06:46:27,918 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-07 06:46:27,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-07 06:46:27,919 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-07 06:46:27,919 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-07 06:46:27,919 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-07 06:46:27,919 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-07 06:46:27,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-07 06:46:27,920 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-07 06:46:27,920 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-07 06:46:27,920 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-07 06:46:27,920 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 06:46:27,920 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-07 06:46:27,921 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-07 06:46:27,922 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-07 06:46:27,922 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-07 06:46:27,923 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_ERROR_LOCATION [2023-09-07 06:46:28,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-07 06:46:28,118 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-07 06:46:28,119 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-07 06:46:28,120 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-07 06:46:28,122 INFO L274 PluginConnector]: CDTParser initialized [2023-09-07 06:46:28,123 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-09-07 06:46:29,047 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-07 06:46:29,221 INFO L384 CDTParser]: Found 1 translation units. [2023-09-07 06:46:29,222 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-09-07 06:46:29,227 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d36bd66/572b1ecad0c04901a5131986f1f92d57/FLAG4f4753b56 [2023-09-07 06:46:29,236 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/78d36bd66/572b1ecad0c04901a5131986f1f92d57 [2023-09-07 06:46:29,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-07 06:46:29,241 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-07 06:46:29,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-07 06:46:29,242 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-07 06:46:29,245 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-07 06:46:29,245 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,246 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50bc899b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29, skipping insertion in model container [2023-09-07 06:46:29,246 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,258 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-07 06:46:29,388 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-counter-fun.wvr.c[2681,2694] [2023-09-07 06:46:29,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 06:46:29,407 INFO L202 MainTranslator]: Completed pre-run [2023-09-07 06:46:29,426 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-counter-fun.wvr.c[2681,2694] [2023-09-07 06:46:29,428 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-07 06:46:29,434 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 06:46:29,434 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-07 06:46:29,438 INFO L206 MainTranslator]: Completed translation [2023-09-07 06:46:29,438 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29 WrapperNode [2023-09-07 06:46:29,438 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-07 06:46:29,439 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-07 06:46:29,439 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-07 06:46:29,439 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-07 06:46:29,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,465 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 202 [2023-09-07 06:46:29,466 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-07 06:46:29,466 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-07 06:46:29,466 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-07 06:46:29,466 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-07 06:46:29,472 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,472 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,474 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,475 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,482 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,489 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,490 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,492 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-07 06:46:29,493 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-07 06:46:29,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-07 06:46:29,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-07 06:46:29,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (1/1) ... [2023-09-07 06:46:29,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-07 06:46:29,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:46:29,523 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-09-07 06:46:29,538 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-09-07 06:46:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-07 06:46:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-07 06:46:29,558 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-07 06:46:29,558 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-07 06:46:29,559 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-07 06:46:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-07 06:46:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-07 06:46:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-07 06:46:29,559 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-07 06:46:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-07 06:46:29,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-07 06:46:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-07 06:46:29,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-07 06:46:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-07 06:46:29,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-07 06:46:29,562 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-07 06:46:29,662 INFO L236 CfgBuilder]: Building ICFG [2023-09-07 06:46:29,663 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-07 06:46:29,935 INFO L277 CfgBuilder]: Performing block encoding [2023-09-07 06:46:30,060 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-07 06:46:30,060 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-07 06:46:30,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:46:30 BoogieIcfgContainer [2023-09-07 06:46:30,062 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-07 06:46:30,063 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-07 06:46:30,063 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-07 06:46:30,065 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-07 06:46:30,065 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.09 06:46:29" (1/3) ... [2023-09-07 06:46:30,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29467de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:46:30, skipping insertion in model container [2023-09-07 06:46:30,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.09 06:46:29" (2/3) ... [2023-09-07 06:46:30,066 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29467de6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.09 06:46:30, skipping insertion in model container [2023-09-07 06:46:30,066 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.09 06:46:30" (3/3) ... [2023-09-07 06:46:30,067 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2023-09-07 06:46:30,072 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-07 06:46:30,079 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-07 06:46:30,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-07 06:46:30,079 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-07 06:46:30,128 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-07 06:46:30,170 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 06:46:30,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-07 06:46:30,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:46:30,173 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-09-07 06:46:30,203 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-09-07 06:46:30,215 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-07 06:46:30,220 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION ======== [2023-09-07 06:46:30,224 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@449d7ae4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-07 06:46:30,224 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. Found a loop, use abstraction hammer [2023-09-07 06:46:30,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:46:30,383 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:46:30,383 INFO L85 PathProgramCache]: Analyzing trace with hash -2069359471, now seen corresponding path program 1 times [2023-09-07 06:46:30,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:46:30,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [835350733] [2023-09-07 06:46:30,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:46:30,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:46:30,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:46:30,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 06:46:30,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:46:30,593 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [835350733] [2023-09-07 06:46:30,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [835350733] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 06:46:30,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 06:46:30,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-07 06:46:30,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313302479] [2023-09-07 06:46:30,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 06:46:30,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-07 06:46:30,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:46:30,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-07 06:46:30,618 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-07 06:46:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:30,619 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:46:30,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 62.0) internal successors, (124), 2 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:46:30,620 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:46:30,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:30,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-07 06:46:30,680 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:46:30,681 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:46:30,681 INFO L85 PathProgramCache]: Analyzing trace with hash 192653242, now seen corresponding path program 1 times [2023-09-07 06:46:30,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:46:30,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312061208] [2023-09-07 06:46:30,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:46:30,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:46:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:46:31,071 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-07 06:46:31,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:46:31,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312061208] [2023-09-07 06:46:31,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312061208] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-07 06:46:31,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-07 06:46:31,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-07 06:46:31,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132928363] [2023-09-07 06:46:31,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-07 06:46:31,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-07 06:46:31,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:46:31,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-07 06:46:31,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-07 06:46:31,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:31,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:46:31,075 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 18.142857142857142) internal successors, (127), 7 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:46:31,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:31,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:46:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:31,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 06:46:31,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-07 06:46:31,221 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:46:31,221 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:46:31,221 INFO L85 PathProgramCache]: Analyzing trace with hash 495359632, now seen corresponding path program 1 times [2023-09-07 06:46:31,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:46:31,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211049446] [2023-09-07 06:46:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:46:31,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:46:31,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:46:31,500 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 06:46:31,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:46:31,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211049446] [2023-09-07 06:46:31,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211049446] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:46:31,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033106949] [2023-09-07 06:46:31,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:46:31,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:46:31,503 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:46:31,535 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:46:31,536 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-07 06:46:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:46:31,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-07 06:46:31,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:46:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 06:46:31,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:46:31,913 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-07 06:46:31,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2033106949] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:46:31,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:46:31,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-09-07 06:46:31,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031398753] [2023-09-07 06:46:31,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:46:31,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-09-07 06:46:31,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:46:31,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-09-07 06:46:31,917 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-09-07 06:46:31,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:31,918 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:46:31,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 11.1875) internal successors, (179), 16 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:46:31,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:31,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 06:46:31,918 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:46:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 06:46:32,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-09-07 06:46:32,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-07 06:46:32,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-09-07 06:46:32,304 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:46:32,304 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:46:32,304 INFO L85 PathProgramCache]: Analyzing trace with hash 83075406, now seen corresponding path program 2 times [2023-09-07 06:46:32,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:46:32,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451097217] [2023-09-07 06:46:32,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:46:32,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:46:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:46:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-07 06:46:32,758 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:46:32,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451097217] [2023-09-07 06:46:32,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451097217] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:46:32,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1661716820] [2023-09-07 06:46:32,762 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-07 06:46:32,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:46:32,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:46:32,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-07 06:46:32,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-07 06:46:32,872 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-07 06:46:32,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:46:32,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-07 06:46:32,883 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:46:33,052 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 06:46:33,052 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:46:33,085 INFO L351 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 12 [2023-09-07 06:46:33,288 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-07 06:46:33,288 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1661716820] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-07 06:46:33,289 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-07 06:46:33,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 20 [2023-09-07 06:46:33,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638536561] [2023-09-07 06:46:33,289 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-07 06:46:33,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-09-07 06:46:33,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-07 06:46:33,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-09-07 06:46:33,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2023-09-07 06:46:33,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:33,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-07 06:46:33,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 9.05) internal successors, (181), 20 states have internal predecessors, (181), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-09-07 06:46:33,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:33,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-07 06:46:33,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-09-07 06:46:33,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer Found a loop, use abstraction hammer [2023-09-07 06:46:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-07 06:46:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-07 06:46:33,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-07 06:46:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-07 06:46:33,695 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-07 06:46:33,892 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:46:33,893 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-09-07 06:46:33,893 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-07 06:46:33,894 INFO L85 PathProgramCache]: Analyzing trace with hash 495906083, now seen corresponding path program 3 times [2023-09-07 06:46:33,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-07 06:46:33,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983636370] [2023-09-07 06:46:33,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-07 06:46:33,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-07 06:46:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-07 06:46:34,142 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-07 06:46:34,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-07 06:46:34,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983636370] [2023-09-07 06:46:34,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983636370] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-07 06:46:34,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1210953337] [2023-09-07 06:46:34,143 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-07 06:46:34,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 06:46:34,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-07 06:46:34,145 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) [2023-09-07 06:46:34,147 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-07 06:46:34,274 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-07 06:46:34,274 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-07 06:46:34,276 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 47 conjunts are in the unsatisfiable core [2023-09-07 06:46:34,280 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-07 06:46:34,710 INFO L351 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 15 treesize of output 11 [2023-09-07 06:46:34,910 INFO L351 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 6 treesize of output 5 [2023-09-07 06:46:34,955 INFO L351 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 6 treesize of output 5 [2023-09-07 06:46:35,344 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-07 06:46:35,344 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-07 06:46:35,742 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_138 Int) (~f~0.offset Int) (v_ArrVal_134 (Array Int Int)) (~f~0.base Int)) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_134))) (let ((.cse3 (select .cse4 ~f~0.base))) (let ((.cse0 (select .cse3 (+ (* c_~counter~0 4) ~f~0.offset))) (.cse1 (select .cse4 c_~f_inv~0.base)) (.cse2 (select .cse3 (+ (* v_~counter~0_138 4) ~f~0.offset)))) (or (< .cse0 0) (not (= c_~counter~0 (select .cse1 (+ (* .cse0 4) c_~f_inv~0.offset)))) (< .cse2 0) (< c_~n_inv~0 (+ .cse0 1)) (< c_~n_inv~0 (+ .cse2 1)) (= 0 (select .cse1 (+ (* .cse2 4) c_~f_inv~0.offset)))))))) is different from false [2023-09-07 06:46:35,843 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_138 Int) (~f~0.offset Int) (v_ArrVal_133 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (~f~0.base Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_133) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_134))) (let ((.cse3 (select .cse4 ~f~0.base))) (let ((.cse0 (select .cse4 c_~f_inv~0.base)) (.cse2 (select .cse3 (+ (* v_~counter~0_138 4) ~f~0.offset))) (.cse1 (select .cse3 (+ (* c_~counter~0 4) ~f~0.offset)))) (or (not (= c_~counter~0 (select .cse0 (+ (* .cse1 4) c_~f_inv~0.offset)))) (< .cse1 0) (< .cse2 0) (< c_~n_inv~0 (+ .cse2 1)) (= (select .cse0 (+ (* .cse2 4) c_~f_inv~0.offset)) 0) (< c_~n_inv~0 (+ .cse1 1))))))) is different from false [2023-09-07 06:46:36,003 WARN L839 $PredicateComparison]: unable to prove that (forall ((v_~counter~0_138 Int) (~f~0.offset Int) (v_ArrVal_133 (Array Int Int)) (v_ArrVal_134 (Array Int Int)) (~f~0.base Int)) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_133) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_134))) (let ((.cse3 (select .cse4 ~f~0.base))) (let ((.cse1 (select .cse3 (+ (* v_~counter~0_138 4) ~f~0.offset))) (.cse0 (select .cse4 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|)) (.cse2 (select .cse3 (+ (* c_~counter~0 4) ~f~0.offset)))) (or (= (select .cse0 (+ (* .cse1 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) 0) (< .cse2 0) (< .cse1 0) (< c_~n_inv~0 (+ .cse1 1)) (not (= (select .cse0 (+ (* .cse2 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) c_~counter~0)) (< c_~n_inv~0 (+ .cse2 1))))))) is different from false [2023-09-07 06:46:36,417 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:46:36,417 INFO L351 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 232 treesize of output 148 [2023-09-07 06:46:36,626 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:46:36,627 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 2288 treesize of output 2452 [2023-09-07 06:46:37,004 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:46:37,004 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 1119 treesize of output 1231 [2023-09-07 06:46:37,418 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-07 06:46:37,418 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 10 new quantified variables, introduced 28 case distinctions, treesize of input 1074 treesize of output 1198 Received shutdown request... [2023-09-07 07:00:43,159 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:00:43,159 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-07 07:00:43,162 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 [2023-09-07 07:00:43,204 WARN L266 SmtUtils]: Removed 2 from assertion stack [2023-09-07 07:00:43,206 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-09-07 07:00:43,211 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-07 07:00:43,406 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-07 07:00:43,407 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 167 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. [2023-09-07 07:00:43,411 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-09-07 07:00:43,412 INFO L307 ceAbstractionStarter]: Result for error location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION was TIMEOUT (1/3) [2023-09-07 07:00:43,413 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-07 07:00:43,413 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-07 07:00:43,416 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.09 07:00:43 BasicIcfg [2023-09-07 07:00:43,416 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-07 07:00:43,416 INFO L158 Benchmark]: Toolchain (without parser) took 854175.52ms. Allocated memory was 166.7MB in the beginning and 879.8MB in the end (delta: 713.0MB). Free memory was 131.0MB in the beginning and 824.2MB in the end (delta: -693.2MB). Peak memory consumption was 545.6MB. Max. memory is 7.0GB. [2023-09-07 07:00:43,417 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 166.7MB. Free memory was 121.9MB in the beginning and 121.9MB in the end (delta: 67.9kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-07 07:00:43,417 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.94ms. Allocated memory is still 166.7MB. Free memory was 130.6MB in the beginning and 119.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-07 07:00:43,429 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.69ms. Allocated memory is still 166.7MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:00:43,430 INFO L158 Benchmark]: Boogie Preprocessor took 25.81ms. Allocated memory is still 166.7MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-07 07:00:43,430 INFO L158 Benchmark]: RCFGBuilder took 569.27ms. Allocated memory is still 166.7MB. Free memory was 114.8MB in the beginning and 80.1MB in the end (delta: 34.8MB). Peak memory consumption was 34.6MB. Max. memory is 7.0GB. [2023-09-07 07:00:43,430 INFO L158 Benchmark]: TraceAbstraction took 853353.09ms. Allocated memory was 166.7MB in the beginning and 879.8MB in the end (delta: 713.0MB). Free memory was 79.2MB in the beginning and 824.2MB in the end (delta: -745.0MB). Peak memory consumption was 494.3MB. Max. memory is 7.0GB. [2023-09-07 07:00:43,431 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 166.7MB. Free memory was 121.9MB in the beginning and 121.9MB in the end (delta: 67.9kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 196.94ms. Allocated memory is still 166.7MB. Free memory was 130.6MB in the beginning and 119.0MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 26.69ms. Allocated memory is still 166.7MB. Free memory was 119.0MB in the beginning and 116.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 25.81ms. Allocated memory is still 166.7MB. Free memory was 116.9MB in the beginning and 114.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 569.27ms. Allocated memory is still 166.7MB. Free memory was 114.8MB in the beginning and 80.1MB in the end (delta: 34.8MB). Peak memory consumption was 34.6MB. Max. memory is 7.0GB. * TraceAbstraction took 853353.09ms. Allocated memory was 166.7MB in the beginning and 879.8MB in the end (delta: 713.0MB). Free memory was 79.2MB in the beginning and 824.2MB in the end (delta: -745.0MB). Peak memory consumption was 494.3MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 112, independent: 62, independent conditional: 62, independent unconditional: 0, dependent: 50, dependent conditional: 50, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 66, independent: 62, independent conditional: 62, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 66, independent: 62, independent conditional: 62, independent unconditional: 0, dependent: 4, dependent conditional: 4, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 73, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 11, dependent conditional: 7, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 73, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 73, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 66, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 66, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 64, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 73, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 66, unknown conditional: 0, unknown unconditional: 66] , Statistics on independence cache: Total cache size (in pairs): 66, Positive cache size: 62, Positive conditional cache size: 0, Positive unconditional cache size: 62, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7, Maximal queried relation: 4, Independence queries for same thread: 46 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 6, RedundantProofs: 3, ProvenStates: 23 - TimeoutResultAtElement [Line: 88]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 167 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 71ms.. - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION with 1 thread instances CFG has 5 procedures, 169 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 853.2s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 821 NumberOfCodeBlocks, 821 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1098 ConstructedInterpolants, 0 QuantifiedInterpolants, 2677 SizeOfPredicates, 23 NumberOfNonLiveVariables, 693 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 8 InterpolantComputations, 2 PerfectInterpolantSequences, 41/83 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