/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 ONLY_ONE_CEGAR -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 [2023-09-08 01:23:16,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 01:23:16,612 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-08 01:23:16,618 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 01:23:16,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 01:23:16,619 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 01:23:16,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 01:23:16,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 01:23:16,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 01:23:16,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 01:23:16,640 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 01:23:16,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 01:23:16,641 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 01:23:16,642 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 01:23:16,642 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 01:23:16,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 01:23:16,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 01:23:16,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 01:23:16,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 01:23:16,643 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 01:23:16,643 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 01:23:16,644 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 01:23:16,644 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 01:23:16,644 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 01:23:16,645 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 01:23:16,645 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 01:23:16,645 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 01:23:16,645 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 01:23:16,646 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 01:23:16,646 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 01:23:16,646 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 01:23:16,646 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 01:23:16,646 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 01:23:16,647 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-08 01:23:16,647 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 01:23:16,647 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 01:23:16,647 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 01:23:16,648 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 01:23:16,648 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 01:23:16,648 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 01:23:16,648 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-08 01:23:16,649 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 01:23:16,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 01:23:16,863 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 01:23:16,865 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 01:23:16,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 01:23:16,868 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 01:23:16,869 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-09-08 01:23:17,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 01:23:18,112 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 01:23:18,112 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-fun.wvr.c [2023-09-08 01:23:18,119 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6712371/317691687ffa45659c8a383dad363ad6/FLAG7ec0a7c45 [2023-09-08 01:23:18,129 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fb6712371/317691687ffa45659c8a383dad363ad6 [2023-09-08 01:23:18,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 01:23:18,134 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 01:23:18,135 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 01:23:18,135 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 01:23:18,141 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 01:23:18,141 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,142 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72fb9810 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18, skipping insertion in model container [2023-09-08 01:23:18,142 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,169 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 01:23:18,323 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] [2023-09-08 01:23:18,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 01:23:18,344 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 01:23:18,365 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] [2023-09-08 01:23:18,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 01:23:18,374 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 01:23:18,374 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 01:23:18,380 INFO L206 MainTranslator]: Completed translation [2023-09-08 01:23:18,380 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18 WrapperNode [2023-09-08 01:23:18,380 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 01:23:18,381 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 01:23:18,381 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 01:23:18,382 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 01:23:18,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,393 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,418 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 13, calls inlined = 15, statements flattened = 202 [2023-09-08 01:23:18,419 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 01:23:18,419 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 01:23:18,419 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 01:23:18,419 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 01:23:18,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,430 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,437 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,451 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,452 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,453 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 01:23:18,456 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 01:23:18,456 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 01:23:18,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 01:23:18,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (1/1) ... [2023-09-08 01:23:18,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 01:23:18,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:23:18,498 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) [2023-09-08 01:23:18,521 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 [2023-09-08 01:23:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 01:23:18,535 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 01:23:18,535 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 01:23:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 01:23:18,536 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 01:23:18,536 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 01:23:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 01:23:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 01:23:18,537 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 01:23:18,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 01:23:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 01:23:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 01:23:18,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 01:23:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 01:23:18,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 01:23:18,540 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-09-08 01:23:18,615 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 01:23:18,616 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 01:23:18,881 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 01:23:19,072 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 01:23:19,072 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 01:23:19,074 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:23:19 BoogieIcfgContainer [2023-09-08 01:23:19,074 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 01:23:19,078 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 01:23:19,078 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 01:23:19,081 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 01:23:19,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:23:18" (1/3) ... [2023-09-08 01:23:19,082 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6734ab4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:23:19, skipping insertion in model container [2023-09-08 01:23:19,082 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:23:18" (2/3) ... [2023-09-08 01:23:19,083 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6734ab4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:23:19, skipping insertion in model container [2023-09-08 01:23:19,083 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:23:19" (3/3) ... [2023-09-08 01:23:19,085 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-fun.wvr.c [2023-09-08 01:23:19,091 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 01:23:19,098 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 01:23:19,098 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 01:23:19,098 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 01:23:19,168 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-09-08 01:23:19,209 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 01:23:19,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 01:23:19,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:23:19,210 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) [2023-09-08 01:23:19,213 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 [2023-09-08 01:23:19,252 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 01:23:19,259 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 01:23:19,265 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;@7499e1f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 01:23:19,265 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. Found a loop, use abstraction hammer [2023-09-08 01:23:19,384 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 01:23:19,388 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:23:19,389 INFO L85 PathProgramCache]: Analyzing trace with hash -2069359471, now seen corresponding path program 1 times [2023-09-08 01:23:19,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:23:19,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041161425] [2023-09-08 01:23:19,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:23:19,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:23:19,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:23:19,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 01:23:19,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:23:19,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041161425] [2023-09-08 01:23:19,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041161425] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 01:23:19,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 01:23:19,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 01:23:19,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719006779] [2023-09-08 01:23:19,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 01:23:19,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 01:23:19,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:23:19,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 01:23:19,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 01:23:19,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:19,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:23:19,700 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) [2023-09-08 01:23:19,700 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 [2023-09-08 01:23:19,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:19,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 01:23:19,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 01:23:19,798 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:23:19,798 INFO L85 PathProgramCache]: Analyzing trace with hash 192653242, now seen corresponding path program 1 times [2023-09-08 01:23:19,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:23:19,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572782698] [2023-09-08 01:23:19,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:23:19,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:23:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:23:20,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-09-08 01:23:20,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:23:20,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572782698] [2023-09-08 01:23:20,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1572782698] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 01:23:20,276 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 01:23:20,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-08 01:23:20,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427691916] [2023-09-08 01:23:20,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 01:23:20,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-08 01:23:20,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:23:20,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-08 01:23:20,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2023-09-08 01:23:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:20,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:23:20,281 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) [2023-09-08 01:23:20,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:20,282 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 [2023-09-08 01:23:20,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:20,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 01:23:20,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 01:23:20,433 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 01:23:20,434 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:23:20,435 INFO L85 PathProgramCache]: Analyzing trace with hash 495359632, now seen corresponding path program 1 times [2023-09-08 01:23:20,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:23:20,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068534913] [2023-09-08 01:23:20,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:23:20,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:23:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:23:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 01:23:20,788 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:23:20,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068534913] [2023-09-08 01:23:20,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068534913] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:23:20,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [395382159] [2023-09-08 01:23:20,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:23:20,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:23:20,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:23:20,839 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) [2023-09-08 01:23:20,841 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-09-08 01:23:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:23:20,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 338 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-08 01:23:20,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:23:21,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 01:23:21,125 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:23:21,218 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-09-08 01:23:21,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [395382159] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 01:23:21,219 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 01:23:21,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2023-09-08 01:23:21,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073056151] [2023-09-08 01:23:21,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 01:23:21,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-09-08 01:23:21,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:23:21,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-09-08 01:23:21,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-09-08 01:23:21,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:21,221 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:23:21,222 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) [2023-09-08 01:23:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 01:23:21,222 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 [2023-09-08 01:23:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:21,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 01:23:21,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-09-08 01:23:21,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-09-08 01:23:21,647 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 [2023-09-08 01:23:21,648 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 01:23:21,649 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:23:21,649 INFO L85 PathProgramCache]: Analyzing trace with hash 83075406, now seen corresponding path program 2 times [2023-09-08 01:23:21,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:23:21,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1652145625] [2023-09-08 01:23:21,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:23:21,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:23:21,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:23:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-09-08 01:23:22,257 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:23:22,258 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1652145625] [2023-09-08 01:23:22,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1652145625] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:23:22,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [969044029] [2023-09-08 01:23:22,261 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 01:23:22,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:23:22,266 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:23:22,267 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) [2023-09-08 01:23:22,293 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-09-08 01:23:22,399 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 01:23:22,399 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 01:23:22,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 16 conjunts are in the unsatisfiable core [2023-09-08 01:23:22,412 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:23:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 01:23:22,616 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:23:22,678 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 [2023-09-08 01:23:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-09-08 01:23:22,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [969044029] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 01:23:22,901 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 01:23:22,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 20 [2023-09-08 01:23:22,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1077092858] [2023-09-08 01:23:22,902 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 01:23:22,902 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-09-08 01:23:22,902 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:23:22,903 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-09-08 01:23:22,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2023-09-08 01:23:22,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:22,904 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:23:22,904 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) [2023-09-08 01:23:22,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:22,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-09-08 01:23:22,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-09-08 01:23:22,904 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 [2023-09-08 01:23:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:23:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-09-08 01:23:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-09-08 01:23:23,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-09-08 01:23:23,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-09-08 01:23:23,553 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 [2023-09-08 01:23:23,553 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-09-08 01:23:23,554 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:23:23,554 INFO L85 PathProgramCache]: Analyzing trace with hash 495906083, now seen corresponding path program 3 times [2023-09-08 01:23:23,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:23:23,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691060146] [2023-09-08 01:23:23,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:23:23,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:23:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:23:23,867 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 2 proven. 23 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-09-08 01:23:23,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:23:23,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691060146] [2023-09-08 01:23:23,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691060146] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:23:23,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2033341595] [2023-09-08 01:23:23,868 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 01:23:23,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:23:23,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:23:23,870 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) [2023-09-08 01:23:23,872 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-09-08 01:23:24,031 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-09-08 01:23:24,031 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 01:23:24,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 47 conjunts are in the unsatisfiable core [2023-09-08 01:23:24,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:23:24,595 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 [2023-09-08 01:23:24,848 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 [2023-09-08 01:23:24,905 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 [2023-09-08 01:23:25,366 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-08 01:23:25,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:23:25,857 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 [2023-09-08 01:23:26,047 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 [2023-09-08 01:23:26,277 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 [2023-09-08 01:23:26,784 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 01:23:26,784 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 [2023-09-08 01:23:27,050 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 01:23:27,051 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 [2023-09-08 01:23:27,581 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 01:23:27,582 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 [2023-09-08 01:23:28,120 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 01:23:28,121 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... [2023-09-08 01:37:21,442 WARN L266 SmtUtils]: Removed 2 from assertion stack [2023-09-08 01:37:21,445 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-09-08 01:37:21,451 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-09-08 01:37:21,453 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 [2023-09-08 01:37:21,456 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 [2023-09-08 01:37:21,459 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 [2023-09-08 01:37:21,645 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 [2023-09-08 01:37:21,646 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 47ms.. [2023-09-08 01:37:21,647 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-09-08 01:37:21,647 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-09-08 01:37:21,650 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2023-09-08 01:37:21,652 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 01:37:21,652 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 01:37:21,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:37:21 BasicIcfg [2023-09-08 01:37:21,654 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 01:37:21,655 INFO L158 Benchmark]: Toolchain (without parser) took 843520.65ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 883.9MB). Free memory was 220.3MB in the beginning and 556.6MB in the end (delta: -336.3MB). Peak memory consumption was 707.0MB. Max. memory is 7.0GB. [2023-09-08 01:37:21,655 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 174.1MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 01:37:21,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 245.91ms. Allocated memory is still 256.9MB. Free memory was 220.3MB in the beginning and 208.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 01:37:21,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.44ms. Allocated memory is still 256.9MB. Free memory was 208.7MB in the beginning and 206.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 01:37:21,656 INFO L158 Benchmark]: Boogie Preprocessor took 36.63ms. Allocated memory is still 256.9MB. Free memory was 206.1MB in the beginning and 204.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 01:37:21,656 INFO L158 Benchmark]: RCFGBuilder took 618.25ms. Allocated memory is still 256.9MB. Free memory was 204.5MB in the beginning and 169.4MB in the end (delta: 35.1MB). Peak memory consumption was 34.6MB. Max. memory is 7.0GB. [2023-09-08 01:37:21,656 INFO L158 Benchmark]: TraceAbstraction took 842576.43ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 883.9MB). Free memory was 168.4MB in the beginning and 556.6MB in the end (delta: -388.2MB). Peak memory consumption was 655.6MB. Max. memory is 7.0GB. [2023-09-08 01:37:21,658 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 174.1MB. Free memory is still 128.0MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 245.91ms. Allocated memory is still 256.9MB. Free memory was 220.3MB in the beginning and 208.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 37.44ms. Allocated memory is still 256.9MB. Free memory was 208.7MB in the beginning and 206.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 36.63ms. Allocated memory is still 256.9MB. Free memory was 206.1MB in the beginning and 204.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 618.25ms. Allocated memory is still 256.9MB. Free memory was 204.5MB in the beginning and 169.4MB in the end (delta: 35.1MB). Peak memory consumption was 34.6MB. Max. memory is 7.0GB. * TraceAbstraction took 842576.43ms. Allocated memory was 256.9MB in the beginning and 1.1GB in the end (delta: 883.9MB). Free memory was 168.4MB in the beginning and 556.6MB in the end (delta: -388.2MB). Peak memory consumption was 655.6MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 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: 74, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 74, dependent conditional: 0, dependent unconditional: 74, 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 47ms.. - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) 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 47ms.. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) 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 47ms.. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 169 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 842.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.0s, 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, 0.3s SatisfiabilityAnalysisTime, 2.1s 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