/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-more-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 01:33:51,942 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 01:33:52,016 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/DynamicStratifiedAbstractions.epf [2023-09-08 01:33:52,021 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 01:33:52,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 01:33:52,022 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 01:33:52,049 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 01:33:52,050 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 01:33:52,050 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 01:33:52,054 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 01:33:52,054 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 01:33:52,055 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 01:33:52,055 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 01:33:52,056 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 01:33:52,056 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 01:33:52,056 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 01:33:52,057 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 01:33:52,057 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 01:33:52,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 01:33:52,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 01:33:52,057 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 01:33:52,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 01:33:52,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 01:33:52,059 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 01:33:52,059 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 01:33:52,059 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 01:33:52,060 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 01:33:52,060 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 01:33:52,060 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 01:33:52,061 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 01:33:52,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 01:33:52,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 01:33:52,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 01:33:52,062 INFO L153 SettingsManager]: * Abstraction for dynamic stratified reduction=VARIABLES_GLOBAL [2023-09-08 01:33:52,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 01:33:52,062 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 01:33:52,062 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 01:33:52,062 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 01:33:52,063 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 01:33:52,063 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 01:33:52,063 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=DYNAMIC_ABSTRACTIONS [2023-09-08 01:33:52,063 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 01:33:52,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 01:33:52,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 01:33:52,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 01:33:52,292 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 01:33:52,292 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 01:33:52,293 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-09-08 01:33:53,445 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 01:33:53,650 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 01:33:53,650 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c [2023-09-08 01:33:53,656 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9669935a9/51e8c020c6eb48aaa5aeddd3bf0e1df7/FLAG84ccb8357 [2023-09-08 01:33:53,667 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9669935a9/51e8c020c6eb48aaa5aeddd3bf0e1df7 [2023-09-08 01:33:53,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 01:33:53,671 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 01:33:53,671 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 01:33:53,672 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 01:33:53,678 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 01:33:53,678 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,679 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@795ef78a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53, skipping insertion in model container [2023-09-08 01:33:53,679 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,699 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 01:33:53,871 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2023-09-08 01:33:53,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 01:33:53,898 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 01:33:53,921 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum-alt.wvr.c[2761,2774] [2023-09-08 01:33:53,924 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 01:33:53,931 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 01:33:53,931 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 01:33:53,937 INFO L206 MainTranslator]: Completed translation [2023-09-08 01:33:53,937 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53 WrapperNode [2023-09-08 01:33:53,937 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 01:33:53,938 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 01:33:53,938 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 01:33:53,938 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 01:33:53,944 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,953 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,982 INFO L138 Inliner]: procedures = 25, calls = 51, calls flagged for inlining = 12, calls inlined = 16, statements flattened = 207 [2023-09-08 01:33:53,982 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 01:33:53,983 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 01:33:53,983 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 01:33:53,983 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 01:33:53,991 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,991 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,994 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:53,994 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:54,000 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:54,004 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:54,005 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:54,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:54,009 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 01:33:54,010 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 01:33:54,010 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 01:33:54,010 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 01:33:54,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (1/1) ... [2023-09-08 01:33:54,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 01:33:54,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:33:54,037 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 01:33:54,045 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 01:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 01:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 01:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 01:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 01:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 01:33:54,064 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 01:33:54,064 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 01:33:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 01:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-08 01:33:54,065 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-08 01:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 01:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 01:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 01:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 01:33:54,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 01:33:54,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 01:33:54,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 01:33:54,067 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 01:33:54,182 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 01:33:54,184 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 01:33:54,502 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 01:33:54,626 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 01:33:54,627 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-09-08 01:33:54,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:33:54 BoogieIcfgContainer [2023-09-08 01:33:54,629 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 01:33:54,632 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 01:33:54,632 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 01:33:54,635 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 01:33:54,635 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 01:33:53" (1/3) ... [2023-09-08 01:33:54,636 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73136176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:33:54, skipping insertion in model container [2023-09-08 01:33:54,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 01:33:53" (2/3) ... [2023-09-08 01:33:54,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73136176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 01:33:54, skipping insertion in model container [2023-09-08 01:33:54,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 01:33:54" (3/3) ... [2023-09-08 01:33:54,640 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum-alt.wvr.c [2023-09-08 01:33:54,646 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 01:33:54,655 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 01:33:54,655 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 01:33:54,655 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 01:33:54,762 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-08 01:33:54,808 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 01:33:54,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 01:33:54,808 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:33:54,810 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 01:33:54,813 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 01:33:54,883 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 01:33:54,890 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 01:33:54,896 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;@654b69e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 01:33:54,897 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. Found a loop, use abstraction hammer [2023-09-08 01:33:56,077 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 01:33:56,082 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:33:56,082 INFO L85 PathProgramCache]: Analyzing trace with hash -158774748, now seen corresponding path program 1 times [2023-09-08 01:33:56,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:33:56,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443562852] [2023-09-08 01:33:56,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:33:56,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:33:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:33:56,352 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:56,352 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:33:56,352 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443562852] [2023-09-08 01:33:56,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443562852] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 01:33:56,353 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 01:33:56,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 01:33:56,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613512244] [2023-09-08 01:33:56,355 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 01:33:56,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 01:33:56,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:33:56,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 01:33:56,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 01:33:56,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:56,390 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:33:56,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 58.0) internal successors, (116), 2 states have internal predecessors, (116), 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 01:33:56,391 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 01:33:57,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:57,241 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 01:33:57,241 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 01:33:57,242 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:33:57,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1806544347, now seen corresponding path program 1 times [2023-09-08 01:33:57,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:33:57,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640115614] [2023-09-08 01:33:57,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:33:57,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:33:57,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:33:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:57,650 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:33:57,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640115614] [2023-09-08 01:33:57,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640115614] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:33:57,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [644881383] [2023-09-08 01:33:57,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:33:57,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:33:57,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:33:57,683 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 01:33:57,708 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 01:33:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:33:57,826 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2023-09-08 01:33:57,834 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:33:57,993 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:57,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:33:58,174 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:58,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [644881383] provided 1 perfect and 1 imperfect interpolant sequences [2023-09-08 01:33:58,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-09-08 01:33:58,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-09-08 01:33:58,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432560559] [2023-09-08 01:33:58,176 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 01:33:58,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-08 01:33:58,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:33:58,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-08 01:33:58,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-09-08 01:33:58,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:58,178 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:33:58,179 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.142857142857142) internal successors, (120), 7 states have internal predecessors, (120), 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 01:33:58,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:58,179 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 01:33:58,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:58,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:33:58,316 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 01:33:58,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-09-08 01:33:58,513 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 01:33:58,514 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:33:58,514 INFO L85 PathProgramCache]: Analyzing trace with hash 430355321, now seen corresponding path program 1 times [2023-09-08 01:33:58,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:33:58,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433564739] [2023-09-08 01:33:58,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:33:58,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:33:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:33:58,906 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:58,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:33:58,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433564739] [2023-09-08 01:33:58,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433564739] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:33:58,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493361716] [2023-09-08 01:33:58,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:33:58,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:33:58,907 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:33:58,908 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 01:33:58,934 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 01:33:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:33:59,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-08 01:33:59,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:33:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:59,262 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:33:59,522 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:33:59,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493361716] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 01:33:59,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 01:33:59,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-09-08 01:33:59,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781579526] [2023-09-08 01:33:59,523 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 01:33:59,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-09-08 01:33:59,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:33:59,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-09-08 01:33:59,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-09-08 01:33:59,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:59,525 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:33:59,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 7.666666666666667) internal successors, (184), 24 states have internal predecessors, (184), 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 01:33:59,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:33:59,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:33:59,526 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 01:34:00,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:00,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:34:00,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 01:34:00,366 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-09-08 01:34:00,563 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:34:00,564 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 01:34:00,564 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:34:00,564 INFO L85 PathProgramCache]: Analyzing trace with hash -1026537321, now seen corresponding path program 2 times [2023-09-08 01:34:00,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:34:00,564 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565697167] [2023-09-08 01:34:00,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:34:00,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:34:00,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:34:00,981 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:34:00,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:34:00,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565697167] [2023-09-08 01:34:00,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565697167] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:34:00,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1334986902] [2023-09-08 01:34:00,982 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 01:34:00,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:34:00,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:34:00,983 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 01:34:01,009 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 01:34:01,117 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 01:34:01,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 01:34:01,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-08 01:34:01,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:34:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 10 proven. 25 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:34:01,447 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:34:01,801 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:34:01,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1334986902] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 01:34:01,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 01:34:01,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-08 01:34:01,802 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800764181] [2023-09-08 01:34:01,802 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 01:34:01,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-08 01:34:01,803 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:34:01,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-08 01:34:01,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2023-09-08 01:34:01,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:01,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:34:01,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 6.470588235294118) internal successors, (220), 34 states have internal predecessors, (220), 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 01:34:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:34:01,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 01:34:01,805 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 01:34:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:34:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 01:34:02,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 01:34:02,869 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 01:34:03,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:34:03,064 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 01:34:03,064 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:34:03,064 INFO L85 PathProgramCache]: Analyzing trace with hash -872657611, now seen corresponding path program 3 times [2023-09-08 01:34:03,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:34:03,065 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1936381877] [2023-09-08 01:34:03,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:34:03,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:34:03,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:34:03,570 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 12 proven. 61 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-09-08 01:34:03,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:34:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1936381877] [2023-09-08 01:34:03,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1936381877] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:34:03,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726099340] [2023-09-08 01:34:03,571 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 01:34:03,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:34:03,571 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:34:03,572 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 01:34:03,574 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-09-08 01:34:03,739 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-09-08 01:34:03,739 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 01:34:03,742 INFO L262 TraceCheckSpWp]: Trace formula consists of 476 conjuncts, 20 conjunts are in the unsatisfiable core [2023-09-08 01:34:03,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:34:04,301 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 27 proven. 34 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-09-08 01:34:04,301 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:34:04,891 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-09-08 01:34:04,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726099340] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 01:34:04,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 01:34:04,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 21, 21] total 53 [2023-09-08 01:34:04,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150967914] [2023-09-08 01:34:04,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 01:34:04,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2023-09-08 01:34:04,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:34:04,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2023-09-08 01:34:04,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=352, Invalid=2404, Unknown=0, NotChecked=0, Total=2756 [2023-09-08 01:34:04,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:04,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:34:04,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 5.660377358490566) internal successors, (300), 53 states have internal predecessors, (300), 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 01:34:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:34:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 01:34:04,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 01:34:04,896 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 01:34:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:34:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 01:34:06,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2023-09-08 01:34:06,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-09-08 01:34:06,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-09-08 01:34:06,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:34:06,465 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-09-08 01:34:06,465 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 01:34:06,466 INFO L85 PathProgramCache]: Analyzing trace with hash 529680213, now seen corresponding path program 4 times [2023-09-08 01:34:06,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 01:34:06,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258305663] [2023-09-08 01:34:06,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 01:34:06,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 01:34:06,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 01:34:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 30 proven. 95 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-09-08 01:34:07,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 01:34:07,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258305663] [2023-09-08 01:34:07,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258305663] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 01:34:07,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1825154099] [2023-09-08 01:34:07,056 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 01:34:07,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:34:07,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 01:34:07,058 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-09-08 01:34:07,083 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-09-08 01:34:07,182 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 01:34:07,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 01:34:07,185 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 22 conjunts are in the unsatisfiable core [2023-09-08 01:34:07,188 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 01:34:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 52 proven. 73 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-09-08 01:34:07,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 01:34:08,281 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 85 proven. 40 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-09-08 01:34:08,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1825154099] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 01:34:08,282 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 01:34:08,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-09-08 01:34:08,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127795787] [2023-09-08 01:34:08,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 01:34:08,283 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-09-08 01:34:08,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 01:34:08,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-09-08 01:34:08,285 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=456, Invalid=2406, Unknown=0, NotChecked=0, Total=2862 [2023-09-08 01:34:08,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:08,285 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 01:34:08,286 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 5.407407407407407) internal successors, (292), 54 states have internal predecessors, (292), 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 01:34:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 01:34:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 01:34:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 01:34:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2023-09-08 01:34:08,286 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-09-08 01:34:08,286 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 Received shutdown request... [2023-09-08 01:48:30,545 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 01:48:30,545 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-09-08 01:48:30,545 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 01:48:30,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-09-08 01:48:30,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 01:48:30,912 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DynamicStratifiedReduction. [2023-09-08 01:48:30,914 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-08 01:48:30,914 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-08 01:48:30,914 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-08 01:48:30,914 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-08 01:48:30,949 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1, 1] [2023-09-08 01:48:30,951 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 01:48:30,951 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 01:48:30,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 01:48:30 BasicIcfg [2023-09-08 01:48:30,953 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 01:48:30,954 INFO L158 Benchmark]: Toolchain (without parser) took 877283.11ms. Allocated memory was 250.6MB in the beginning and 480.2MB in the end (delta: 229.6MB). Free memory was 204.4MB in the beginning and 116.7MB in the end (delta: 87.7MB). Peak memory consumption was 384.3MB. Max. memory is 7.0GB. [2023-09-08 01:48:30,954 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory was 122.9MB in the beginning and 122.8MB in the end (delta: 138.0kB). There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 01:48:30,954 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.04ms. Allocated memory is still 250.6MB. Free memory was 204.4MB in the beginning and 192.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 01:48:30,954 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.24ms. Allocated memory is still 250.6MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 01:48:30,955 INFO L158 Benchmark]: Boogie Preprocessor took 26.12ms. Allocated memory is still 250.6MB. Free memory was 190.4MB in the beginning and 188.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 01:48:30,955 INFO L158 Benchmark]: RCFGBuilder took 619.97ms. Allocated memory is still 250.6MB. Free memory was 188.3MB in the beginning and 154.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 7.0GB. [2023-09-08 01:48:30,955 INFO L158 Benchmark]: TraceAbstraction took 876321.38ms. Allocated memory was 250.6MB in the beginning and 480.2MB in the end (delta: 229.6MB). Free memory was 154.1MB in the beginning and 116.7MB in the end (delta: 37.4MB). Peak memory consumption was 334.0MB. Max. memory is 7.0GB. [2023-09-08 01:48:30,957 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 174.1MB. Free memory was 122.9MB in the beginning and 122.8MB in the end (delta: 138.0kB). There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 266.04ms. Allocated memory is still 250.6MB. Free memory was 204.4MB in the beginning and 192.5MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 44.24ms. Allocated memory is still 250.6MB. Free memory was 192.5MB in the beginning and 190.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 26.12ms. Allocated memory is still 250.6MB. Free memory was 190.4MB in the beginning and 188.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * RCFGBuilder took 619.97ms. Allocated memory is still 250.6MB. Free memory was 188.3MB in the beginning and 154.7MB in the end (delta: 33.6MB). Peak memory consumption was 33.6MB. Max. memory is 7.0GB. * TraceAbstraction took 876321.38ms. Allocated memory was 250.6MB in the beginning and 480.2MB in the end (delta: 229.6MB). Free memory was 154.1MB in the beginning and 116.7MB in the end (delta: 37.4MB). Peak memory consumption was 334.0MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 32310, independent: 30392, independent conditional: 30392, independent unconditional: 0, dependent: 1918, dependent conditional: 1918, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 30642, independent: 30392, independent conditional: 30392, independent unconditional: 0, dependent: 250, dependent conditional: 250, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 30642, independent: 30392, independent conditional: 30392, independent unconditional: 0, dependent: 250, dependent conditional: 250, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 31949, independent: 30392, independent conditional: 0, independent unconditional: 30392, dependent: 1557, dependent conditional: 1307, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 31949, independent: 30392, independent conditional: 0, independent unconditional: 30392, dependent: 1557, dependent conditional: 0, dependent unconditional: 1557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 31949, independent: 30392, independent conditional: 0, independent unconditional: 30392, dependent: 1557, dependent conditional: 0, dependent unconditional: 1557, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30642, independent: 30392, independent conditional: 0, independent unconditional: 30392, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30642, independent: 30392, independent conditional: 0, independent unconditional: 30392, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 250, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 250, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 250, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 250, dependent conditional: 0, dependent unconditional: 250, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 543, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 543, dependent conditional: 0, dependent unconditional: 543, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 31949, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1307, dependent conditional: 0, dependent unconditional: 1307, unknown: 30642, unknown conditional: 0, unknown unconditional: 30642] , Statistics on independence cache: Total cache size (in pairs): 30642, Positive cache size: 30392, Positive conditional cache size: 0, Positive unconditional cache size: 30392, Negative cache size: 250, Negative conditional cache size: 0, Negative unconditional cache size: 250, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1307, Maximal queried relation: 6, Independence queries for same thread: 1668 - StatisticsResult: Proof manager benchmarks IrresponsibleProofs: 14, RedundantProofs: 4, ProvenStates: 1686 - TimeoutResultAtElement [Line: 104]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 96]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DynamicStratifiedReduction. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 176 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 876.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 867.8s, 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: 174, 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: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.0s InterpolantComputationTime, 1674 NumberOfCodeBlocks, 1652 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2434 ConstructedInterpolants, 0 QuantifiedInterpolants, 7316 SizeOfPredicates, 68 NumberOfNonLiveVariables, 1986 ConjunctsInSsa, 72 ConjunctsInUnsatCore, 16 InterpolantComputations, 2 PerfectInterpolantSequences, 516/918 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