/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/NewStatesSleep.epf --traceabstraction.cegar.restart.behaviour ONLY_ONE_CEGAR -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.3-wip.dk.dynamic-abstractions-e2ee32c-m [2023-09-08 06:00:24,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-09-08 06:00:24,350 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2023-09-08 06:00:24,353 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-09-08 06:00:24,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-09-08 06:00:24,353 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty. [2023-09-08 06:00:24,390 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-09-08 06:00:24,390 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-09-08 06:00:24,390 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-09-08 06:00:24,391 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-09-08 06:00:24,391 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-09-08 06:00:24,391 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-09-08 06:00:24,391 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-09-08 06:00:24,392 INFO L153 SettingsManager]: * Use SBE=true [2023-09-08 06:00:24,392 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-09-08 06:00:24,392 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-09-08 06:00:24,392 INFO L153 SettingsManager]: * sizeof long=4 [2023-09-08 06:00:24,393 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-09-08 06:00:24,393 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-09-08 06:00:24,393 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-09-08 06:00:24,393 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-09-08 06:00:24,405 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-09-08 06:00:24,405 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-09-08 06:00:24,405 INFO L153 SettingsManager]: * sizeof long double=12 [2023-09-08 06:00:24,405 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-09-08 06:00:24,405 INFO L153 SettingsManager]: * Use constant arrays=true [2023-09-08 06:00:24,406 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-09-08 06:00:24,406 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-09-08 06:00:24,406 INFO L153 SettingsManager]: * To the following directory=./dump/ [2023-09-08 06:00:24,406 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-09-08 06:00:24,406 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:00:24,407 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-09-08 06:00:24,407 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-09-08 06:00:24,407 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-09-08 06:00:24,407 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-09-08 06:00:24,407 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-09-08 06:00:24,407 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-09-08 06:00:24,408 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-09-08 06:00:24,408 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-09-08 06:00:24,408 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2023-09-08 06:00:24,408 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Prune known deadend states from previous iterations -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONLY_ONE_CEGAR [2023-09-08 06:00:24,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-09-08 06:00:24,588 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-09-08 06:00:24,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-09-08 06:00:24,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-09-08 06:00:24,592 INFO L274 PluginConnector]: CDTParser initialized [2023-09-08 06:00:24,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-09-08 06:00:25,700 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-09-08 06:00:25,847 INFO L384 CDTParser]: Found 1 translation units. [2023-09-08 06:00:25,847 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-three-array-sum.wvr.c [2023-09-08 06:00:25,853 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c45333ce/52c5a503e5a84b88b7a8645221abd2ea/FLAGe6a630112 [2023-09-08 06:00:25,862 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c45333ce/52c5a503e5a84b88b7a8645221abd2ea [2023-09-08 06:00:25,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-09-08 06:00:25,867 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-09-08 06:00:25,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-09-08 06:00:25,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-09-08 06:00:25,871 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-09-08 06:00:25,871 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:00:25" (1/1) ... [2023-09-08 06:00:25,872 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c21839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:25, skipping insertion in model container [2023-09-08 06:00:25,872 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.09 06:00:25" (1/1) ... [2023-09-08 06:00:25,887 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-09-08 06:00:25,992 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-three-array-sum.wvr.c[2691,2704] [2023-09-08 06:00:25,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:00:26,005 INFO L202 MainTranslator]: Completed pre-run [2023-09-08 06:00:26,019 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-three-array-sum.wvr.c[2691,2704] [2023-09-08 06:00:26,021 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-09-08 06:00:26,026 WARN L669 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 06:00:26,026 WARN L669 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-09-08 06:00:26,030 INFO L206 MainTranslator]: Completed translation [2023-09-08 06:00:26,031 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26 WrapperNode [2023-09-08 06:00:26,031 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-09-08 06:00:26,032 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-09-08 06:00:26,032 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-09-08 06:00:26,032 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-09-08 06:00:26,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,042 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,057 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 12, statements flattened = 157 [2023-09-08 06:00:26,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-09-08 06:00:26,058 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-09-08 06:00:26,058 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-09-08 06:00:26,058 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-09-08 06:00:26,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,067 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,067 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,073 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,075 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,076 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,077 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,079 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-09-08 06:00:26,080 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-09-08 06:00:26,080 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-09-08 06:00:26,080 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-09-08 06:00:26,081 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (1/1) ... [2023-09-08 06:00:26,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-09-08 06:00:26,097 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:26,106 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 06:00:26,141 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 06:00:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-09-08 06:00:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-09-08 06:00:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-09-08 06:00:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-09-08 06:00:26,165 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-09-08 06:00:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-09-08 06:00:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-09-08 06:00:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-09-08 06:00:26,166 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-09-08 06:00:26,166 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-09-08 06:00:26,167 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-09-08 06:00:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-09-08 06:00:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-09-08 06:00:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-09-08 06:00:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-09-08 06:00:26,168 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-09-08 06:00:26,168 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-09-08 06:00:26,169 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 06:00:26,263 INFO L236 CfgBuilder]: Building ICFG [2023-09-08 06:00:26,264 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-09-08 06:00:26,487 INFO L277 CfgBuilder]: Performing block encoding [2023-09-08 06:00:26,512 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-09-08 06:00:26,512 INFO L302 CfgBuilder]: Removed 6 assume(true) statements. [2023-09-08 06:00:26,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:00:26 BoogieIcfgContainer [2023-09-08 06:00:26,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-09-08 06:00:26,516 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-09-08 06:00:26,516 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-09-08 06:00:26,518 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-09-08 06:00:26,518 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.09 06:00:25" (1/3) ... [2023-09-08 06:00:26,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2deaba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:00:26, skipping insertion in model container [2023-09-08 06:00:26,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.09 06:00:26" (2/3) ... [2023-09-08 06:00:26,519 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2deaba8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.09 06:00:26, skipping insertion in model container [2023-09-08 06:00:26,519 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.09 06:00:26" (3/3) ... [2023-09-08 06:00:26,520 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-three-array-sum.wvr.c [2023-09-08 06:00:26,526 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-09-08 06:00:26,533 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-09-08 06:00:26,533 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-09-08 06:00:26,533 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-09-08 06:00:26,618 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-09-08 06:00:26,650 INFO L103 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:00:26,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-09-08 06:00:26,651 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:26,660 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 06:00:26,661 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 06:00:26,702 INFO L166 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-09-08 06:00:26,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-09-08 06:00:26,716 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;@cc1a5d1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-09-08 06:00:26,717 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-09-08 06:00:26,975 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 06:00:26,979 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:26,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1514627023, now seen corresponding path program 1 times [2023-09-08 06:00:26,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:26,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522476552] [2023-09-08 06:00:26,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:26,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:27,186 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-09-08 06:00:27,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:27,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522476552] [2023-09-08 06:00:27,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522476552] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:00:27,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:00:27,188 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-09-08 06:00:27,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471874824] [2023-09-08 06:00:27,189 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:00:27,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-09-08 06:00:27,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:00:27,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-09-08 06:00:27,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-09-08 06:00:27,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,227 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:00:27,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 85.0) internal successors, (170), 2 states have internal predecessors, (170), 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 06:00:27,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,320 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-09-08 06:00:27,320 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 06:00:27,321 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:27,321 INFO L85 PathProgramCache]: Analyzing trace with hash 91262695, now seen corresponding path program 1 times [2023-09-08 06:00:27,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:27,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894942377] [2023-09-08 06:00:27,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:27,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:27,759 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-09-08 06:00:27,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:27,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894942377] [2023-09-08 06:00:27,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894942377] provided 1 perfect and 0 imperfect interpolant sequences [2023-09-08 06:00:27,760 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-09-08 06:00:27,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-09-08 06:00:27,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874157370] [2023-09-08 06:00:27,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-09-08 06:00:27,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-09-08 06:00:27,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:00:27,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-09-08 06:00:27,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-09-08 06:00:27,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:00:27,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 23.428571428571427) internal successors, (164), 7 states have internal predecessors, (164), 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 06:00:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:27,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:27,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-09-08 06:00:27,953 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 06:00:27,954 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:27,954 INFO L85 PathProgramCache]: Analyzing trace with hash -2106931975, now seen corresponding path program 1 times [2023-09-08 06:00:27,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:27,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849557871] [2023-09-08 06:00:27,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:27,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:28,306 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-09-08 06:00:28,306 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:28,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849557871] [2023-09-08 06:00:28,306 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849557871] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:00:28,306 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439611616] [2023-09-08 06:00:28,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:28,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:00:28,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:28,323 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 06:00:28,324 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 06:00:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:28,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 471 conjuncts, 10 conjunts are in the unsatisfiable core [2023-09-08 06:00:28,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:00:28,697 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-09-08 06:00:28,697 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:00:28,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-09-08 06:00:28,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439611616] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:00:28,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:00:28,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-09-08 06:00:28,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892984177] [2023-09-08 06:00:28,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:00:28,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-09-08 06:00:28,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:00:28,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-09-08 06:00:28,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-09-08 06:00:28,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:28,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:00:28,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.75) internal successors, (258), 24 states have internal predecessors, (258), 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 06:00:28,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:28,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:28,973 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:29,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:29,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:29,441 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 06:00:29,644 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 06:00:29,645 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 06:00:29,645 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:29,646 INFO L85 PathProgramCache]: Analyzing trace with hash -204637785, now seen corresponding path program 2 times [2023-09-08 06:00:29,646 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:29,646 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217411618] [2023-09-08 06:00:29,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:29,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:29,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:29,963 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 23 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-09-08 06:00:29,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:29,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217411618] [2023-09-08 06:00:29,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217411618] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:00:29,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [604143544] [2023-09-08 06:00:29,964 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-09-08 06:00:29,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:00:29,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:29,966 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 06:00:29,968 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 06:00:30,090 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-09-08 06:00:30,090 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:00:30,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 507 conjuncts, 8 conjunts are in the unsatisfiable core [2023-09-08 06:00:30,096 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:00:30,257 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 17 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-08 06:00:30,258 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:00:30,368 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 1 proven. 25 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-09-08 06:00:30,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [604143544] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:00:30,368 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:00:30,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 19 [2023-09-08 06:00:30,369 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131476907] [2023-09-08 06:00:30,369 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:00:30,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-09-08 06:00:30,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:00:30,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-09-08 06:00:30,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2023-09-08 06:00:30,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:30,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:00:30,371 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 21.157894736842106) internal successors, (402), 19 states have internal predecessors, (402), 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 06:00:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:30,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:31,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 06:00:31,321 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 06:00:31,505 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 06:00:31,506 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 06:00:31,506 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:31,506 INFO L85 PathProgramCache]: Analyzing trace with hash -7198965, now seen corresponding path program 3 times [2023-09-08 06:00:31,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:31,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856331013] [2023-09-08 06:00:31,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:31,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:31,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:31,855 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 28 proven. 19 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-09-08 06:00:31,855 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:31,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856331013] [2023-09-08 06:00:31,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856331013] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:00:31,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940084275] [2023-09-08 06:00:31,856 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-09-08 06:00:31,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:00:31,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:31,857 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 06:00:31,859 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 06:00:32,041 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-09-08 06:00:32,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:00:32,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-08 06:00:32,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:00:32,404 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-09-08 06:00:32,404 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:00:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 38 proven. 9 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-09-08 06:00:32,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940084275] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:00:32,761 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:00:32,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-08 06:00:32,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596467121] [2023-09-08 06:00:32,762 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:00:32,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-08 06:00:32,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:00:32,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-08 06:00:32,765 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-09-08 06:00:32,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:32,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:00:32,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.705882352941176) internal successors, (296), 34 states have internal predecessors, (296), 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 06:00:32,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 06:00:32,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 06:00:33,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 06:00:33,267 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 06:00:33,465 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 06:00:33,466 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 06:00:33,466 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:33,466 INFO L85 PathProgramCache]: Analyzing trace with hash 1413171997, now seen corresponding path program 4 times [2023-09-08 06:00:33,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:33,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545876543] [2023-09-08 06:00:33,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:33,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:33,840 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 35 proven. 32 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-09-08 06:00:33,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:33,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545876543] [2023-09-08 06:00:33,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545876543] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:00:33,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1302468951] [2023-09-08 06:00:33,841 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-09-08 06:00:33,841 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:00:33,841 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:33,842 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 06:00:33,845 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 06:00:33,966 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-09-08 06:00:33,966 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:00:33,968 INFO L262 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 14 conjunts are in the unsatisfiable core [2023-09-08 06:00:33,971 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:00:34,440 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 42 proven. 25 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-09-08 06:00:34,440 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:00:34,902 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 24 proven. 43 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2023-09-08 06:00:34,902 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1302468951] provided 0 perfect and 2 imperfect interpolant sequences [2023-09-08 06:00:34,902 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-09-08 06:00:34,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-09-08 06:00:34,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622506757] [2023-09-08 06:00:34,903 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-09-08 06:00:34,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-09-08 06:00:34,904 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-09-08 06:00:34,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-09-08 06:00:34,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2023-09-08 06:00:34,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:34,905 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-09-08 06:00:34,905 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 10.264705882352942) internal successors, (349), 34 states have internal predecessors, (349), 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 06:00:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:34,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:34,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2023-09-08 06:00:34,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-09-08 06:00:34,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-09-08 06:00:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-09-08 06:00:35,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-09-08 06:00:35,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2023-09-08 06:00:35,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-09-08 06:00:35,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-09-08 06:00:35,774 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 06:00:35,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:00:35,973 INFO L420 AbstractCegarLoop]: === Iteration 7 === 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 06:00:35,973 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-09-08 06:00:35,973 INFO L85 PathProgramCache]: Analyzing trace with hash -483738439, now seen corresponding path program 5 times [2023-09-08 06:00:35,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-09-08 06:00:35,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699483936] [2023-09-08 06:00:35,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-09-08 06:00:35,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-09-08 06:00:36,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-09-08 06:00:44,979 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-08 06:00:44,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-09-08 06:00:44,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699483936] [2023-09-08 06:00:44,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699483936] provided 0 perfect and 1 imperfect interpolant sequences [2023-09-08 06:00:44,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1771510610] [2023-09-08 06:00:44,980 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-09-08 06:00:44,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:00:44,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-09-08 06:00:44,983 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 06:00:45,056 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 06:00:45,616 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-09-08 06:00:45,616 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-09-08 06:00:45,623 INFO L262 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 158 conjunts are in the unsatisfiable core [2023-09-08 06:00:45,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-09-08 06:00:45,986 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-09-08 06:00:47,091 INFO L322 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-09-08 06:00:47,091 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-09-08 06:00:47,812 INFO L322 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-09-08 06:00:47,813 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-09-08 06:00:49,597 INFO L322 Elim1Store]: treesize reduction 27, result has 35.7 percent of original size [2023-09-08 06:00:49,600 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 47 [2023-09-08 06:00:50,826 INFO L322 Elim1Store]: treesize reduction 78, result has 29.7 percent of original size [2023-09-08 06:00:50,828 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 93 [2023-09-08 06:00:53,402 INFO L322 Elim1Store]: treesize reduction 156, result has 24.3 percent of original size [2023-09-08 06:00:53,403 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 4 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 22 case distinctions, treesize of input 159 treesize of output 157 [2023-09-08 06:00:58,799 INFO L322 Elim1Store]: treesize reduction 570, result has 46.7 percent of original size [2023-09-08 06:00:58,799 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 23 select indices, 23 select index equivalence classes, 10 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 253 case distinctions, treesize of input 411 treesize of output 645 [2023-09-08 06:05:53,497 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 124 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2023-09-08 06:05:53,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-09-08 06:06:01,665 WARN L839 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int)) (let ((.cse12 (* c_thread2Thread1of1ForFork0_~i~1 4))) (let ((.cse14 (store (select |c_#memory_int| c_~C~0.base) (+ .cse12 ~C~0.offset) (+ (select (select |c_#memory_int| c_~A~0.base) (+ .cse12 c_~A~0.offset)) (select (select |c_#memory_int| c_~B~0.base) (+ .cse12 c_~B~0.offset)))))) (let ((.cse15 (store |c_#memory_int| c_~C~0.base .cse14))) (let ((.cse10 (select .cse15 c_~B~0.base))) (let ((.cse9 (store .cse14 (+ .cse12 ~C~0.offset 4) (+ (select (select .cse15 c_~A~0.base) (+ .cse12 c_~A~0.offset 4)) (select .cse10 (+ .cse12 4 c_~B~0.offset)))))) (let ((.cse13 (store |c_#memory_int| c_~C~0.base .cse9))) (let ((.cse11 (select .cse13 c_~B~0.base)) (.cse6 (select .cse13 c_~A~0.base))) (let ((.cse8 (store .cse9 (+ .cse12 ~C~0.offset 8) (+ (select .cse11 (+ .cse12 8 c_~B~0.offset)) (select .cse6 (+ .cse12 c_~A~0.offset 8))))) (.cse7 (* c_thread1Thread1of1ForFork2_~i~0 4))) (let ((.cse3 (select .cse11 (+ .cse7 4 c_~B~0.offset))) (.cse4 (select .cse10 (+ .cse7 c_~B~0.offset))) (.cse0 (select .cse9 ~C~0.offset)) (.cse1 (select .cse8 (+ ~C~0.offset 4))) (.cse2 (select .cse8 (+ ~C~0.offset 8))) (.cse5 (select .cse6 (+ c_~A~0.offset .cse7 4)))) (= (+ .cse0 .cse1 .cse2 (* (div (+ .cse3 c_~asum~0 .cse4 c_~bsum~0 .cse5) 4294967296) 4294967296) c_~csum~0) (+ .cse3 c_~asum~0 .cse4 c_~bsum~0 (* (div (+ .cse0 .cse1 .cse2 c_~csum~0) 4294967296) 4294967296) .cse5)))))))))))) is different from false [2023-09-08 06:09:39,336 WARN L839 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int)) (let ((.cse16 (select |c_#memory_int| ~B~0.base)) (.cse15 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse15 c_~A~0.offset)) (.cse2 (select .cse16 c_~B~0.offset))) (let ((.cse18 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse2)))) (let ((.cse19 (store |c_#memory_int| c_~C~0.base .cse18))) (let ((.cse14 (select .cse19 ~B~0.base))) (let ((.cse1 (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse3 (select .cse14 (+ 4 c_~B~0.offset)))) (let ((.cse17 (store |c_#memory_int| c_~C~0.base (store .cse18 (+ ~C~0.offset 4) (+ .cse1 .cse3))))) (let ((.cse11 (select .cse17 c_~A~0.base)) (.cse13 (* c_thread1Thread1of1ForFork2_~i~0 4)) (.cse12 (select .cse17 ~B~0.base))) (let ((.cse4 (select .cse12 (+ 8 c_~B~0.offset))) (.cse6 (select .cse16 (+ .cse13 c_~B~0.offset))) (.cse7 (select .cse15 (+ c_~A~0.offset .cse13 4))) (.cse8 (select .cse11 (+ c_~A~0.offset .cse13 8))) (.cse9 (select .cse14 (+ .cse13 4 c_~B~0.offset))) (.cse10 (select .cse12 (+ .cse13 8 c_~B~0.offset))) (.cse5 (select .cse11 (+ c_~A~0.offset 8)))) (= (+ (* (div (+ .cse0 .cse1 .cse2 .cse3 .cse4 c_~csum~0 .cse5) 4294967296) 4294967296) c_~asum~0 .cse6 c_~bsum~0 .cse7 .cse8 .cse9 .cse10) (+ .cse0 .cse1 .cse2 .cse3 .cse4 (* 4294967296 (div (+ c_~asum~0 .cse6 c_~bsum~0 .cse7 .cse8 .cse9 .cse10) 4294967296)) c_~csum~0 .cse5)))))))))))) is different from false [2023-09-08 06:09:41,374 WARN L839 $PredicateComparison]: unable to prove that (forall ((~C~0.offset Int) (~B~0.base Int)) (let ((.cse16 (select |c_#memory_int| ~B~0.base)) (.cse15 (select |c_#memory_int| c_~A~0.base))) (let ((.cse0 (select .cse15 c_~A~0.offset)) (.cse2 (select .cse16 c_~B~0.offset))) (let ((.cse18 (store (select |c_#memory_int| c_~C~0.base) ~C~0.offset (+ .cse0 .cse2)))) (let ((.cse19 (store |c_#memory_int| c_~C~0.base .cse18))) (let ((.cse14 (select .cse19 ~B~0.base))) (let ((.cse1 (select (select .cse19 c_~A~0.base) (+ c_~A~0.offset 4))) (.cse3 (select .cse14 (+ 4 c_~B~0.offset)))) (let ((.cse17 (store |c_#memory_int| c_~C~0.base (store .cse18 (+ ~C~0.offset 4) (+ .cse1 .cse3))))) (let ((.cse11 (select .cse17 c_~A~0.base)) (.cse13 (* c_thread1Thread1of1ForFork2_~i~0 4)) (.cse12 (select .cse17 ~B~0.base))) (let ((.cse4 (select .cse12 (+ 8 c_~B~0.offset))) (.cse6 (select .cse16 (+ .cse13 c_~B~0.offset))) (.cse7 (select .cse15 (+ c_~A~0.offset .cse13 4))) (.cse8 (select .cse11 (+ c_~A~0.offset .cse13 8))) (.cse9 (select .cse14 (+ .cse13 4 c_~B~0.offset))) (.cse10 (select .cse12 (+ .cse13 8 c_~B~0.offset))) (.cse5 (select .cse11 (+ c_~A~0.offset 8)))) (= (+ (* (div (+ .cse0 .cse1 .cse2 .cse3 .cse4 c_~csum~0 .cse5) 4294967296) 4294967296) c_~asum~0 .cse6 |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0 .cse7 .cse8 .cse9 .cse10) (+ .cse0 .cse1 .cse2 .cse3 .cse4 (* (div (+ c_~asum~0 .cse6 |c_thread1Thread1of1ForFork2_#t~mem2| c_~bsum~0 .cse7 .cse8 .cse9 .cse10) 4294967296) 4294967296) c_~csum~0 .cse5)))))))))))) is different from false [2023-09-08 06:09:49,551 WARN L234 SmtUtils]: Spent 7.94s on a formula simplification that was a NOOP. DAG size: 219 (called from [L 319] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-09-08 06:09:49,551 INFO L322 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-09-08 06:09:49,558 INFO L351 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 66 case distinctions, treesize of input 1132506 treesize of output 438900 [2023-09-08 06:12:43,572 WARN L234 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 3 DAG size of output: 1 (called from [L 729] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-09-08 06:14:49,161 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 06:14:49,182 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 06:14:49,182 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 06:14:49,941 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-09-08 06:14:49,950 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-09-08 06:14:50,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-09-08 06:14:50,150 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 273 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-77-10-9-11-4-6-2-2-1 context. [2023-09-08 06:14:50,152 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-09-08 06:14:50,152 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-09-08 06:14:50,152 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-09-08 06:14:50,154 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1] [2023-09-08 06:14:50,156 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-09-08 06:14:50,156 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-09-08 06:14:50,158 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.09 06:14:50 BasicIcfg [2023-09-08 06:14:50,158 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-09-08 06:14:50,158 INFO L158 Benchmark]: Toolchain (without parser) took 864291.78ms. Allocated memory was 203.4MB in the beginning and 904.9MB in the end (delta: 701.5MB). Free memory was 154.2MB in the beginning and 723.0MB in the end (delta: -568.7MB). Peak memory consumption was 556.7MB. Max. memory is 7.0GB. [2023-09-08 06:14:50,159 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 7.0GB. [2023-09-08 06:14:50,159 INFO L158 Benchmark]: CACSL2BoogieTranslator took 163.61ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 142.1MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. [2023-09-08 06:14:50,159 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.31ms. Allocated memory is still 203.4MB. Free memory was 142.1MB in the beginning and 140.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. [2023-09-08 06:14:50,159 INFO L158 Benchmark]: Boogie Preprocessor took 21.11ms. Allocated memory is still 203.4MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. [2023-09-08 06:14:50,159 INFO L158 Benchmark]: RCFGBuilder took 434.20ms. Allocated memory is still 203.4MB. Free memory was 138.5MB in the beginning and 116.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 7.0GB. [2023-09-08 06:14:50,160 INFO L158 Benchmark]: TraceAbstraction took 863642.33ms. Allocated memory was 203.4MB in the beginning and 904.9MB in the end (delta: 701.5MB). Free memory was 116.0MB in the beginning and 723.0MB in the end (delta: -607.0MB). Peak memory consumption was 517.9MB. Max. memory is 7.0GB. [2023-09-08 06:14:50,169 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2023-09-08 06:14:50,172 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 117.0MB. There was no memory consumed. Max. memory is 7.0GB. * CACSL2BoogieTranslator took 163.61ms. Allocated memory is still 203.4MB. Free memory was 153.7MB in the beginning and 142.1MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 7.0GB. * Boogie Procedure Inliner took 26.31ms. Allocated memory is still 203.4MB. Free memory was 142.1MB in the beginning and 140.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 7.0GB. * Boogie Preprocessor took 21.11ms. Allocated memory is still 203.4MB. Free memory was 140.1MB in the beginning and 138.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 7.0GB. * RCFGBuilder took 434.20ms. Allocated memory is still 203.4MB. Free memory was 138.5MB in the beginning and 116.5MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 7.0GB. * TraceAbstraction took 863642.33ms. Allocated memory was 203.4MB in the beginning and 904.9MB in the end (delta: 701.5MB). Free memory was 116.0MB in the beginning and 723.0MB in the end (delta: -607.0MB). Peak memory consumption was 517.9MB. Max. memory is 7.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 38428, independent: 32236, independent conditional: 32236, independent unconditional: 0, dependent: 6192, dependent conditional: 6192, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 32447, independent: 32236, independent conditional: 32236, independent unconditional: 0, dependent: 211, dependent conditional: 211, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 32447, independent: 32236, independent conditional: 32236, independent unconditional: 0, dependent: 211, dependent conditional: 211, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 33248, independent: 32236, independent conditional: 0, independent unconditional: 32236, dependent: 1012, dependent conditional: 801, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 33248, independent: 32236, independent conditional: 0, independent unconditional: 32236, dependent: 1012, dependent conditional: 185, dependent unconditional: 827, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 33248, independent: 32236, independent conditional: 0, independent unconditional: 32236, dependent: 1012, dependent conditional: 185, dependent unconditional: 827, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 442, independent: 414, independent conditional: 0, independent unconditional: 414, dependent: 28, dependent conditional: 24, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 442, independent: 414, independent conditional: 0, independent unconditional: 414, dependent: 28, dependent conditional: 0, dependent unconditional: 28, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 24, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 28, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 28, dependent conditional: 24, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 121, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 121, dependent conditional: 76, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 33248, independent: 31822, independent conditional: 0, independent unconditional: 31822, dependent: 984, dependent conditional: 161, dependent unconditional: 823, unknown: 442, unknown conditional: 24, unknown unconditional: 418] , Statistics on independence cache: Total cache size (in pairs): 442, Positive cache size: 414, Positive conditional cache size: 0, Positive unconditional cache size: 414, Negative cache size: 28, Negative conditional cache size: 24, Negative unconditional cache size: 4, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 616, Maximal queried relation: 6, Independence queries for same thread: 5981 - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 273 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-77-10-9-11-4-6-2-2-1 context. - TimeoutResultAtElement [Line: 95]: 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 273 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-77-10-9-11-4-6-2-2-1 context. - 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 PartialOrderCegarLoop was analyzing trace of length 273 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-77-10-9-11-4-6-2-2-1 context. - TimeoutResultAtElement [Line: 94]: 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 273 with TraceHistMax 3,while TraceCheckSpWp was constructing backward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∧-77-10-9-11-4-6-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 239 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 863.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 3.3s, 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: 107, 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, 0.5s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 2245 NumberOfCodeBlocks, 2230 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3167 ConstructedInterpolants, 0 QuantifiedInterpolants, 8959 SizeOfPredicates, 43 NumberOfNonLiveVariables, 2012 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 14 InterpolantComputations, 2 PerfectInterpolantSequences, 808/1001 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