/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 12:32:14,956 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 12:32:15,039 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 12:32:15,044 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 12:32:15,045 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 12:32:15,073 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 12:32:15,073 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 12:32:15,073 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 12:32:15,074 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 12:32:15,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 12:32:15,078 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 12:32:15,078 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 12:32:15,078 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 12:32:15,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 12:32:15,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 12:32:15,081 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 12:32:15,081 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 12:32:15,081 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 12:32:15,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 12:32:15,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 12:32:15,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 12:32:15,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 12:32:15,082 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 12:32:15,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 12:32:15,083 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 12:32:15,084 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 12:32:15,084 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 12:32:15,084 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 12:32:15,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 12:32:15,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 12:32:15,086 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 12:32:15,086 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 12:32:15,086 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 12:32:15,086 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 12:32:15,086 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 12:32:15,086 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 12:32:15,086 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 12:32:15,087 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 12:32:15,087 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 12:32:15,087 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/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-06 12:32:15,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 12:32:15,378 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 12:32:15,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 12:32:15,381 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 12:32:15,382 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 12:32:15,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-05-06 12:32:16,571 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 12:32:16,760 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 12:32:16,760 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-nonblocking-cntr-alt.wvr.c [2024-05-06 12:32:16,768 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cab5c7197/0545d712bdfc4b6e99c71390358deecb/FLAGb03884034 [2024-05-06 12:32:16,783 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cab5c7197/0545d712bdfc4b6e99c71390358deecb [2024-05-06 12:32:16,786 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 12:32:16,788 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 12:32:16,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 12:32:16,792 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 12:32:16,797 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 12:32:16,797 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:16,798 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a25c646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16, skipping insertion in model container [2024-05-06 12:32:16,798 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:16,818 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 12:32:16,952 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-nonblocking-cntr-alt.wvr.c[2098,2111] [2024-05-06 12:32:16,956 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 12:32:16,964 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 12:32:16,978 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-nonblocking-cntr-alt.wvr.c[2098,2111] [2024-05-06 12:32:16,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 12:32:16,985 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 12:32:16,986 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-06 12:32:16,991 INFO L206 MainTranslator]: Completed translation [2024-05-06 12:32:16,992 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16 WrapperNode [2024-05-06 12:32:16,992 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 12:32:16,993 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 12:32:16,993 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 12:32:16,993 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 12:32:16,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,018 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2024-05-06 12:32:17,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 12:32:17,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 12:32:17,019 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 12:32:17,019 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 12:32:17,027 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,027 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,029 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,029 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,033 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,038 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,039 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 12:32:17,040 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 12:32:17,040 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 12:32:17,040 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 12:32:17,041 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (1/1) ... [2024-05-06 12:32:17,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 12:32:17,056 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:17,070 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 12:32:17,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 12:32:17,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 12:32:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 12:32:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 12:32:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 12:32:17,125 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 12:32:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 12:32:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 12:32:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 12:32:17,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-06 12:32:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-06 12:32:17,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 12:32:17,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 12:32:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 12:32:17,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 12:32:17,129 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 12:32:17,256 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 12:32:17,258 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 12:32:17,452 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 12:32:17,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 12:32:17,491 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-06 12:32:17,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:32:17 BoogieIcfgContainer [2024-05-06 12:32:17,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 12:32:17,499 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 12:32:17,499 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 12:32:17,502 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 12:32:17,502 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 12:32:16" (1/3) ... [2024-05-06 12:32:17,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7739a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:32:17, skipping insertion in model container [2024-05-06 12:32:17,503 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 12:32:16" (2/3) ... [2024-05-06 12:32:17,503 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a7739a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 12:32:17, skipping insertion in model container [2024-05-06 12:32:17,504 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 12:32:17" (3/3) ... [2024-05-06 12:32:17,506 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-nonblocking-cntr-alt.wvr.c [2024-05-06 12:32:17,514 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 12:32:17,525 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 12:32:17,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 12:32:17,525 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 12:32:17,592 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 12:32:17,635 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 12:32:17,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 12:32:17,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:17,638 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 12:32:17,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 12:32:17,687 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 12:32:17,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:17,700 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 12:32:17,707 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@61469cbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 12:32:17,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 12:32:18,087 INFO L85 PathProgramCache]: Analyzing trace with hash 1786740663, now seen corresponding path program 1 times [2024-05-06 12:32:18,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:18,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:18,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:18,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:32:18,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:18,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:18,386 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:32:18,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 12:32:18,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-06 12:32:18,570 INFO L85 PathProgramCache]: Analyzing trace with hash -795376393, now seen corresponding path program 1 times [2024-05-06 12:32:18,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:18,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:18,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:18,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:18,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:18,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:18,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:32:18,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:18,856 INFO L85 PathProgramCache]: Analyzing trace with hash -918790425, now seen corresponding path program 1 times [2024-05-06 12:32:18,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:32:18,861 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413281290] [2024-05-06 12:32:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:18,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:19,175 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:19,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:32:19,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413281290] [2024-05-06 12:32:19,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413281290] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 12:32:19,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 12:32:19,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-06 12:32:19,179 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [949599468] [2024-05-06 12:32:19,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 12:32:19,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-06 12:32:19,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:32:19,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-06 12:32:19,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2024-05-06 12:32:19,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:19,186 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:32:19,186 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 12:32:19,186 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:19,458 INFO L85 PathProgramCache]: Analyzing trace with hash -518435215, now seen corresponding path program 1 times [2024-05-06 12:32:19,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:19,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:19,565 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-06 12:32:19,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:19,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:19,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:19,707 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-06 12:32:19,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:19,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5 [2024-05-06 12:32:19,726 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:32:19,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:19,726 INFO L85 PathProgramCache]: Analyzing trace with hash -487884627, now seen corresponding path program 1 times [2024-05-06 12:32:19,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:32:19,727 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779184109] [2024-05-06 12:32:19,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:19,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:19,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:20,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:20,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:32:20,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779184109] [2024-05-06 12:32:20,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779184109] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:32:20,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [688557685] [2024-05-06 12:32:20,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:20,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:20,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:20,334 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:32:20,356 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 12:32:20,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:20,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-06 12:32:20,420 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:32:20,954 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:20,954 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:32:21,558 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:21,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [688557685] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:32:21,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:32:21,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 40 [2024-05-06 12:32:21,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696193580] [2024-05-06 12:32:21,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:32:21,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-05-06 12:32:21,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:32:21,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-05-06 12:32:21,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=1361, Unknown=0, NotChecked=0, Total=1560 [2024-05-06 12:32:21,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:21,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:32:21,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 3.625) internal successors, (145), 40 states have internal predecessors, (145), 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) [2024-05-06 12:32:21,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:21,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:24,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:24,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-05-06 12:32:24,362 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 12:32:24,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-06 12:32:24,552 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:32:24,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:24,553 INFO L85 PathProgramCache]: Analyzing trace with hash -926721689, now seen corresponding path program 2 times [2024-05-06 12:32:24,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:32:24,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078531616] [2024-05-06 12:32:24,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:24,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-05-06 12:32:25,338 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:32:25,338 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078531616] [2024-05-06 12:32:25,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078531616] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:32:25,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529767714] [2024-05-06 12:32:25,339 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 12:32:25,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:25,339 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:25,340 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:32:25,367 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 12:32:25,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 12:32:25,418 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:32:25,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-06 12:32:25,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:32:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:26,245 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:32:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:27,416 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529767714] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:32:27,416 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:32:27,417 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 30, 27] total 65 [2024-05-06 12:32:27,417 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2088687588] [2024-05-06 12:32:27,417 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:32:27,418 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-06 12:32:27,418 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:32:27,419 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-06 12:32:27,420 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=407, Invalid=3753, Unknown=0, NotChecked=0, Total=4160 [2024-05-06 12:32:27,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:27,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:32:27,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.0153846153846153) internal successors, (196), 65 states have internal predecessors, (196), 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) [2024-05-06 12:32:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-05-06 12:32:27,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:32,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1184284438, now seen corresponding path program 2 times [2024-05-06 12:32:32,550 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:32,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:32,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:32:32,581 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:32:32,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:32:32,755 INFO L85 PathProgramCache]: Analyzing trace with hash 68996039, now seen corresponding path program 3 times [2024-05-06 12:32:32,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:32,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:32,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:32:32,783 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-06 12:32:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-06 12:32:33,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:33,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:32:33,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2024-05-06 12:32:33,186 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 12:32:33,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable10,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-06 12:32:33,381 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:32:33,381 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:33,382 INFO L85 PathProgramCache]: Analyzing trace with hash -533131963, now seen corresponding path program 3 times [2024-05-06 12:32:33,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:32:33,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480384480] [2024-05-06 12:32:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:33,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-05-06 12:32:33,767 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:32:33,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480384480] [2024-05-06 12:32:33,768 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480384480] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:32:33,768 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727518646] [2024-05-06 12:32:33,768 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 12:32:33,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:33,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:33,769 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:32:33,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 12:32:33,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-06 12:32:33,858 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:32:33,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 23 conjunts are in the unsatisfiable core [2024-05-06 12:32:33,861 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:32:33,975 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 12:32:33,975 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:32:34,212 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2024-05-06 12:32:34,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727518646] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:32:34,213 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:32:34,213 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 10 [2024-05-06 12:32:34,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886167094] [2024-05-06 12:32:34,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:32:34,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-05-06 12:32:34,214 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:32:34,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-05-06 12:32:34,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-05-06 12:32:34,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:34,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:32:34,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 12.3) internal successors, (123), 10 states have internal predecessors, (123), 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) [2024-05-06 12:32:34,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:34,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-06 12:32:34,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2024-05-06 12:32:34,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:32:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2024-05-06 12:32:35,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:32:35,340 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 12:32:35,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:35,534 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:32:35,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:35,535 INFO L85 PathProgramCache]: Analyzing trace with hash -648729982, now seen corresponding path program 4 times [2024-05-06 12:32:35,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:32:35,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331443968] [2024-05-06 12:32:35,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:35,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:36,404 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 71 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-05-06 12:32:36,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:32:36,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331443968] [2024-05-06 12:32:36,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331443968] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:32:36,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1699262760] [2024-05-06 12:32:36,405 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 12:32:36,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:36,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:36,406 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:32:36,409 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 12:32:36,470 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 12:32:36,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:32:36,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-06 12:32:36,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:32:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:37,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:32:42,875 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:42,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1699262760] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:32:42,876 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:32:42,876 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 35, 35] total 78 [2024-05-06 12:32:42,876 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238679437] [2024-05-06 12:32:42,876 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:32:42,877 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-05-06 12:32:42,877 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:32:42,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-05-06 12:32:42,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=538, Invalid=5468, Unknown=0, NotChecked=0, Total=6006 [2024-05-06 12:32:42,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:42,882 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:32:42,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 2.7948717948717947) internal successors, (218), 78 states have internal predecessors, (218), 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) [2024-05-06 12:32:42,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-06 12:32:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2024-05-06 12:32:42,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:32:42,890 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:32:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-06 12:32:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:32:52,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2024-05-06 12:32:52,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 12:32:52,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-06 12:32:52,212 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:32:52,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:32:52,213 INFO L85 PathProgramCache]: Analyzing trace with hash -678752328, now seen corresponding path program 5 times [2024-05-06 12:32:52,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:32:52,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1342225843] [2024-05-06 12:32:52,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:32:52,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:32:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:32:53,109 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2024-05-06 12:32:53,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:32:53,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1342225843] [2024-05-06 12:32:53,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1342225843] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:32:53,109 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215559961] [2024-05-06 12:32:53,110 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 12:32:53,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:32:53,110 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:32:53,111 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:32:53,113 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 12:32:53,201 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-05-06 12:32:53,201 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:32:53,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 67 conjunts are in the unsatisfiable core [2024-05-06 12:32:53,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:32:54,295 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:54,295 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:32:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:32:55,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215559961] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:32:55,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:32:55,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 41, 35] total 85 [2024-05-06 12:32:55,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334478169] [2024-05-06 12:32:55,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:32:55,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-05-06 12:32:55,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:32:55,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-05-06 12:32:55,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=6544, Unknown=0, NotChecked=0, Total=7140 [2024-05-06 12:32:55,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:32:55,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:32:55,779 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 2.788235294117647) internal successors, (237), 85 states have internal predecessors, (237), 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) [2024-05-06 12:32:55,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:32:55,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:32:55,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-06 12:32:55,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:32:55,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2024-05-06 12:32:55,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:33:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:33:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:33:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2024-05-06 12:33:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:33:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2024-05-06 12:33:02,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2024-05-06 12:33:02,269 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-06 12:33:02,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-06 12:33:02,464 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 12:33:02,465 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 12:33:02,466 INFO L85 PathProgramCache]: Analyzing trace with hash -1868925939, now seen corresponding path program 6 times [2024-05-06 12:33:02,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 12:33:02,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418754200] [2024-05-06 12:33:02,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 12:33:02,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 12:33:02,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 12:33:03,573 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 183 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-05-06 12:33:03,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 12:33:03,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1418754200] [2024-05-06 12:33:03,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1418754200] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 12:33:03,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1786551748] [2024-05-06 12:33:03,574 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 12:33:03,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 12:33:03,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 12:33:03,581 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 12:33:03,604 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 12:33:03,671 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-06 12:33:03,671 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 12:33:03,673 INFO L262 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 80 conjunts are in the unsatisfiable core [2024-05-06 12:33:03,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 12:33:05,024 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-06 12:33:05,024 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 12:33:06,798 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 6 proven. 277 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 12:33:06,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1786551748] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 12:33:06,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 12:33:06,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 48, 40] total 97 [2024-05-06 12:33:06,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500740332] [2024-05-06 12:33:06,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 12:33:06,799 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2024-05-06 12:33:06,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 12:33:06,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2024-05-06 12:33:06,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=722, Invalid=8590, Unknown=0, NotChecked=0, Total=9312 [2024-05-06 12:33:06,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:33:06,802 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 12:33:06,802 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 2.6907216494845363) internal successors, (261), 97 states have internal predecessors, (261), 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) [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 164 states. [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 189 states. [2024-05-06 12:33:06,802 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 276 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 267 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 300 states. [2024-05-06 12:33:48,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 340 states. [2024-05-06 12:33:48,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-06 12:33:48,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-06 12:33:48,711 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-06 12:33:48,717 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-06 12:33:48,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-06 12:33:48,916 INFO L448 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1] [2024-05-06 12:33:48,920 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-06 12:33:48,920 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-06 12:33:48,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.05 12:33:48 BasicIcfg [2024-05-06 12:33:48,923 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-06 12:33:48,923 INFO L158 Benchmark]: Toolchain (without parser) took 92134.96ms. Allocated memory was 278.9MB in the beginning and 1.3GB in the end (delta: 977.3MB). Free memory was 210.2MB in the beginning and 1.1GB in the end (delta: -901.3MB). Peak memory consumption was 660.0MB. Max. memory is 8.0GB. [2024-05-06 12:33:48,923 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 278.9MB. Free memory is still 245.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-06 12:33:48,924 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.46ms. Allocated memory is still 278.9MB. Free memory was 210.2MB in the beginning and 198.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-06 12:33:48,924 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.64ms. Allocated memory is still 278.9MB. Free memory was 198.7MB in the beginning and 197.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-06 12:33:48,924 INFO L158 Benchmark]: Boogie Preprocessor took 20.36ms. Allocated memory is still 278.9MB. Free memory was 197.1MB in the beginning and 196.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-06 12:33:48,924 INFO L158 Benchmark]: RCFGBuilder took 455.89ms. Allocated memory is still 278.9MB. Free memory was 196.0MB in the beginning and 179.8MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-05-06 12:33:48,925 INFO L158 Benchmark]: TraceAbstraction took 91424.00ms. Allocated memory was 278.9MB in the beginning and 1.3GB in the end (delta: 977.3MB). Free memory was 178.7MB in the beginning and 1.1GB in the end (delta: -932.8MB). Peak memory consumption was 628.6MB. Max. memory is 8.0GB. [2024-05-06 12:33:48,926 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 278.9MB. Free memory is still 245.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 200.46ms. Allocated memory is still 278.9MB. Free memory was 210.2MB in the beginning and 198.7MB in the end (delta: 11.5MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.64ms. Allocated memory is still 278.9MB. Free memory was 198.7MB in the beginning and 197.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.36ms. Allocated memory is still 278.9MB. Free memory was 197.1MB in the beginning and 196.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 455.89ms. Allocated memory is still 278.9MB. Free memory was 196.0MB in the beginning and 179.8MB in the end (delta: 16.3MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 91424.00ms. Allocated memory was 278.9MB in the beginning and 1.3GB in the end (delta: 977.3MB). Free memory was 178.7MB in the beginning and 1.1GB in the end (delta: -932.8MB). Peak memory consumption was 628.6MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 27669, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 1697, dependent conditional: 1695, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26189, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 217, dependent conditional: 215, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26189, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 217, dependent conditional: 215, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26189, independent: 25972, independent conditional: 25793, independent unconditional: 179, dependent: 217, dependent conditional: 215, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 11859, independent unconditional: 14113, dependent: 1008, dependent conditional: 788, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 458, independent: 413, independent conditional: 51, independent unconditional: 362, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 458, independent: 401, independent conditional: 0, independent unconditional: 401, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 36, independent conditional: 36, independent unconditional: 0, dependent: 116, dependent conditional: 90, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26980, independent: 25559, independent conditional: 9091, independent unconditional: 16468, dependent: 963, dependent conditional: 669, dependent unconditional: 294, unknown: 458, unknown conditional: 94, unknown unconditional: 364] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 413, Positive conditional cache size: 51, Positive unconditional cache size: 362, Negative cache size: 45, Negative conditional cache size: 43, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2793, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 11859, independent unconditional: 14113, dependent: 1008, dependent conditional: 788, dependent unconditional: 220, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26980, independent: 25972, independent conditional: 9142, independent unconditional: 16830, dependent: 1008, dependent conditional: 712, dependent unconditional: 296, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 458, independent: 413, independent conditional: 51, independent unconditional: 362, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 458, independent: 401, independent conditional: 0, independent unconditional: 401, dependent: 57, dependent conditional: 0, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 57, independent: 12, independent conditional: 12, independent unconditional: 0, dependent: 45, dependent conditional: 43, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 36, independent conditional: 36, independent unconditional: 0, dependent: 116, dependent conditional: 90, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 26980, independent: 25559, independent conditional: 9091, independent unconditional: 16468, dependent: 963, dependent conditional: 669, dependent unconditional: 294, unknown: 458, unknown conditional: 94, unknown unconditional: 364] , Statistics on independence cache: Total cache size (in pairs): 458, Positive cache size: 413, Positive conditional cache size: 51, Positive unconditional cache size: 362, Negative cache size: 45, Negative conditional cache size: 43, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 2793 ], Independence queries for same thread: 1480 - PositiveResult [Line: 78]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 98 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 91.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 68.9s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 1375, 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, 0.4s SatisfiabilityAnalysisTime, 20.3s InterpolantComputationTime, 1292 NumberOfCodeBlocks, 1286 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 1886 ConstructedInterpolants, 0 QuantifiedInterpolants, 17330 SizeOfPredicates, 119 NumberOfNonLiveVariables, 1184 ConjunctsInSsa, 297 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 574/2383 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, ConditionalCommutativityCheckTime: 2.4s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 10, ConditionalCommutativityTraceChecks: 5, ConditionalCommutativityImperfectProofs: 2 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-06 12:33:48,943 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2024-05-06 12:33:49,149 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...