/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 RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 --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/chl-chromosome-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-06 02:01:45,808 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-06 02:01:45,868 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-06 02:01:45,872 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-06 02:01:45,873 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-06 02:01:45,903 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-06 02:01:45,903 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-06 02:01:45,904 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-06 02:01:45,904 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-06 02:01:45,908 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-06 02:01:45,909 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-06 02:01:45,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-06 02:01:45,909 INFO L153 SettingsManager]: * Use SBE=true [2024-04-06 02:01:45,909 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-06 02:01:45,910 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-06 02:01:45,910 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-06 02:01:45,910 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-06 02:01:45,910 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-06 02:01:45,910 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-06 02:01:45,910 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-06 02:01:45,911 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-06 02:01:45,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-06 02:01:45,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-06 02:01:45,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-06 02:01:45,924 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-06 02:01:45,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-06 02:01:45,925 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-06 02:01:45,925 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-06 02:01:45,925 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-06 02:01:45,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 02:01:45,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-06 02:01:45,926 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-06 02:01:45,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-06 02:01:45,927 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-06 02:01:46,083 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-06 02:01:46,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-06 02:01:46,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-06 02:01:46,099 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-06 02:01:46,100 INFO L274 PluginConnector]: CDTParser initialized [2024-04-06 02:01:46,100 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2024-04-06 02:01:47,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-06 02:01:47,234 INFO L384 CDTParser]: Found 1 translation units. [2024-04-06 02:01:47,234 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2024-04-06 02:01:47,240 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/187f9b11f/8b5d53ace9f941be93253f13fb704806/FLAGa61d20938 [2024-04-06 02:01:47,256 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/187f9b11f/8b5d53ace9f941be93253f13fb704806 [2024-04-06 02:01:47,259 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-06 02:01:47,260 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-06 02:01:47,261 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-06 02:01:47,261 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-06 02:01:47,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-06 02:01:47,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,266 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60df948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47, skipping insertion in model container [2024-04-06 02:01:47,266 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,290 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-06 02:01:47,444 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/chl-chromosome-symm.wvr.c[2695,2708] [2024-04-06 02:01:47,462 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 02:01:47,474 INFO L202 MainTranslator]: Completed pre-run [2024-04-06 02:01:47,504 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/chl-chromosome-symm.wvr.c[2695,2708] [2024-04-06 02:01:47,507 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-06 02:01:47,518 INFO L206 MainTranslator]: Completed translation [2024-04-06 02:01:47,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47 WrapperNode [2024-04-06 02:01:47,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-06 02:01:47,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-06 02:01:47,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-06 02:01:47,519 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-06 02:01:47,524 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,529 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,548 INFO L138 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 199 [2024-04-06 02:01:47,548 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-06 02:01:47,549 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-06 02:01:47,549 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-06 02:01:47,549 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-06 02:01:47,555 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,557 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,562 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,566 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,567 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,569 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-06 02:01:47,570 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-06 02:01:47,570 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-06 02:01:47,570 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-06 02:01:47,571 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (1/1) ... [2024-04-06 02:01:47,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-06 02:01:47,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:01:47,600 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) [2024-04-06 02:01:47,631 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 [2024-04-06 02:01:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-06 02:01:47,688 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-06 02:01:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-06 02:01:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-06 02:01:47,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-06 02:01:47,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-06 02:01:47,692 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-06 02:01:47,764 INFO L241 CfgBuilder]: Building ICFG [2024-04-06 02:01:47,765 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-06 02:01:48,012 INFO L282 CfgBuilder]: Performing block encoding [2024-04-06 02:01:48,023 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-06 02:01:48,023 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-06 02:01:48,024 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:01:48 BoogieIcfgContainer [2024-04-06 02:01:48,024 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-06 02:01:48,026 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-06 02:01:48,026 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-06 02:01:48,029 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-06 02:01:48,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.04 02:01:47" (1/3) ... [2024-04-06 02:01:48,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c70e0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:01:48, skipping insertion in model container [2024-04-06 02:01:48,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.04 02:01:47" (2/3) ... [2024-04-06 02:01:48,029 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c70e0c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.04 02:01:48, skipping insertion in model container [2024-04-06 02:01:48,030 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.04 02:01:48" (3/3) ... [2024-04-06 02:01:48,030 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-04-06 02:01:48,036 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-06 02:01:48,043 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-06 02:01:48,043 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-06 02:01:48,043 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-06 02:01:48,128 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-06 02:01:48,161 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-06 02:01:48,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-06 02:01:48,162 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:01:48,164 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) [2024-04-06 02:01:48,171 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 [2024-04-06 02:01:48,195 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-06 02:01:48,204 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:48,205 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-06 02:01:48,210 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;@6c911bb6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-06 02:01:48,210 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-06 02:01:48,610 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:01:48,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:48,612 INFO L85 PathProgramCache]: Analyzing trace with hash 1830923232, now seen corresponding path program 1 times [2024-04-06 02:01:48,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:01:48,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542348731] [2024-04-06 02:01:48,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:48,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:01:48,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:48,864 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 02:01:48,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:01:48,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542348731] [2024-04-06 02:01:48,865 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542348731] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:01:48,865 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 02:01:48,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-06 02:01:48,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585259019] [2024-04-06 02:01:48,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:01:48,871 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-06 02:01:48,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:01:48,888 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-06 02:01:48,889 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-06 02:01:48,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:48,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:01:48,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 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) [2024-04-06 02:01:48,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:49,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:49,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-06 02:01:49,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:01:49,041 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:49,042 INFO L85 PathProgramCache]: Analyzing trace with hash 844391816, now seen corresponding path program 1 times [2024-04-06 02:01:49,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:01:49,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938597731] [2024-04-06 02:01:49,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:49,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:01:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:49,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-06 02:01:49,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:01:49,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938597731] [2024-04-06 02:01:49,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938597731] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:01:49,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 02:01:49,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-06 02:01:49,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783705374] [2024-04-06 02:01:49,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:01:49,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-06 02:01:49,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:01:49,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-06 02:01:49,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-06 02:01:49,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:49,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:01:49,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 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) [2024-04-06 02:01:49,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:49,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:49,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:49,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:49,459 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-06 02:01:49,459 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:01:49,459 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:49,459 INFO L85 PathProgramCache]: Analyzing trace with hash -817534290, now seen corresponding path program 1 times [2024-04-06 02:01:49,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:01:49,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387593496] [2024-04-06 02:01:49,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:49,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:01:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:49,723 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 02:01:49,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:01:49,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387593496] [2024-04-06 02:01:49,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387593496] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:01:49,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53376825] [2024-04-06 02:01:49,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:49,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:01:49,724 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:01:49,766 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) [2024-04-06 02:01:49,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-06 02:01:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:49,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-06 02:01:49,885 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:01:49,988 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 02:01:49,989 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:01:50,079 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-06 02:01:50,080 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53376825] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:01:50,080 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:01:50,080 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-04-06 02:01:50,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329620747] [2024-04-06 02:01:50,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:01:50,085 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-06 02:01:50,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:01:50,086 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-06 02:01:50,087 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-04-06 02:01:50,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:50,087 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:01:50,087 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.266666666666667) internal successors, (229), 15 states have internal predecessors, (229), 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) [2024-04-06 02:01:50,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:50,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:50,087 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:50,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:50,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:01:50,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-06 02:01:50,571 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,SelfDestructingSolverStorable2 [2024-04-06 02:01:50,571 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:01:50,572 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:50,572 INFO L85 PathProgramCache]: Analyzing trace with hash 311988474, now seen corresponding path program 2 times [2024-04-06 02:01:50,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:01:50,572 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1200834799] [2024-04-06 02:01:50,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:50,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:01:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-06 02:01:50,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:01:50,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1200834799] [2024-04-06 02:01:50,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1200834799] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:01:50,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [861686851] [2024-04-06 02:01:50,817 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 02:01:50,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:01:50,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:01:50,819 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) [2024-04-06 02:01:50,847 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-06 02:01:51,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 02:01:51,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:01:51,040 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-06 02:01:51,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:01:51,192 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-06 02:01:51,192 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:01:51,311 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-06 02:01:51,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [861686851] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:01:51,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:01:51,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-04-06 02:01:51,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508110208] [2024-04-06 02:01:51,312 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:01:51,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-06 02:01:51,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:01:51,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-06 02:01:51,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-04-06 02:01:51,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:51,314 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:01:51,314 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.863636363636363) internal successors, (261), 22 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) [2024-04-06 02:01:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:01:51,314 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:51,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:01:51,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:01:51,682 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-06 02:01:51,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:01:51,872 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:01:51,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:51,872 INFO L85 PathProgramCache]: Analyzing trace with hash 102926150, now seen corresponding path program 3 times [2024-04-06 02:01:51,872 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:01:51,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334645930] [2024-04-06 02:01:51,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:51,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:01:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:52,227 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:01:52,227 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:01:52,227 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334645930] [2024-04-06 02:01:52,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334645930] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:01:52,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-06 02:01:52,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-06 02:01:52,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76323119] [2024-04-06 02:01:52,228 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:01:52,228 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-06 02:01:52,228 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:01:52,229 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-06 02:01:52,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-06 02:01:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:52,229 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:01:52,229 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 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) [2024-04-06 02:01:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:52,229 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:01:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:01:52,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:01:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:01:52,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:01:52,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-06 02:01:52,404 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:01:52,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:01:52,406 INFO L85 PathProgramCache]: Analyzing trace with hash 367578129, now seen corresponding path program 1 times [2024-04-06 02:01:52,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:01:52,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783196457] [2024-04-06 02:01:52,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:52,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:01:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:01:55,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:01:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783196457] [2024-04-06 02:01:55,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783196457] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:01:55,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [169908177] [2024-04-06 02:01:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:01:55,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:01:55,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:01:55,013 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) [2024-04-06 02:01:55,038 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-06 02:01:55,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:01:55,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-06 02:01:55,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:01:55,743 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 02:01:55,744 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 62 [2024-04-06 02:01:56,532 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:01:56,532 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:01:57,900 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-04-06 02:01:57,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 20 treesize of output 4 [2024-04-06 02:01:57,933 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-06 02:01:57,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-04-06 02:01:58,026 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:01:58,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [169908177] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:01:58,027 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:01:58,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 25, 25] total 82 [2024-04-06 02:01:58,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2062586685] [2024-04-06 02:01:58,027 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:01:58,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-06 02:01:58,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:01:58,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-06 02:01:58,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=6287, Unknown=0, NotChecked=0, Total=6642 [2024-04-06 02:01:58,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:58,031 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:01:58,032 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 6.365853658536586) internal successors, (522), 82 states have internal predecessors, (522), 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) [2024-04-06 02:01:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:01:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:01:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:01:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:01:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:01:58,032 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:02:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:02:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:02:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:02:10,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:02:10,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-06 02:02:10,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:02:10,870 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:02:10,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:02:10,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1015336420, now seen corresponding path program 2 times [2024-04-06 02:02:10,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:02:10,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1841311342] [2024-04-06 02:02:10,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:02:10,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:02:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:02:15,029 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 134 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:02:15,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:02:15,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1841311342] [2024-04-06 02:02:15,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1841311342] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:02:15,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [832800250] [2024-04-06 02:02:15,030 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-06 02:02:15,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:02:15,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:02:15,031 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) [2024-04-06 02:02:15,032 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-06 02:02:15,199 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-06 02:02:15,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:02:15,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 86 conjunts are in the unsatisfiable core [2024-04-06 02:02:15,208 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:02:16,381 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 02:02:16,381 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 62 [2024-04-06 02:02:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 192 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-06 02:02:17,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:02:18,424 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-04-06 02:02:18,424 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 20 treesize of output 4 [2024-04-06 02:02:18,469 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-06 02:02:18,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-04-06 02:02:18,889 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 134 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:02:18,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [832800250] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:02:18,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:02:18,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 38, 29] total 99 [2024-04-06 02:02:18,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135240773] [2024-04-06 02:02:18,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:02:18,891 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-04-06 02:02:18,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:02:18,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-04-06 02:02:18,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=9294, Unknown=0, NotChecked=0, Total=9702 [2024-04-06 02:02:18,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:18,894 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:02:18,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 7.959595959595959) internal successors, (788), 99 states have internal predecessors, (788), 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) [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:02:18,895 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:57,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:02:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:02:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:02:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:02:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:02:57,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:02:57,778 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-06 02:02:57,972 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,SelfDestructingSolverStorable6 [2024-04-06 02:02:57,972 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:02:57,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:02:57,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1142557629, now seen corresponding path program 3 times [2024-04-06 02:02:57,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:02:57,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845292768] [2024-04-06 02:02:57,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:02:57,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:02:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:02:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 707 proven. 129 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:02:58,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:02:58,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845292768] [2024-04-06 02:02:58,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845292768] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:02:58,375 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10159586] [2024-04-06 02:02:58,375 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-06 02:02:58,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:02:58,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:02:58,376 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) [2024-04-06 02:02:58,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-06 02:02:58,708 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-06 02:02:58,708 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:02:58,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 02:02:58,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:02:59,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:02:59,004 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 02:02:59,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [10159586] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:02:59,005 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 02:02:59,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-04-06 02:02:59,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666311914] [2024-04-06 02:02:59,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:02:59,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 02:02:59,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:02:59,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 02:02:59,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-04-06 02:02:59,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:59,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:02:59,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 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) [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:02:59,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:59,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:02:59,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:02:59,254 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-06 02:02:59,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:02:59,455 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:02:59,455 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:02:59,455 INFO L85 PathProgramCache]: Analyzing trace with hash 474499880, now seen corresponding path program 4 times [2024-04-06 02:02:59,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:02:59,455 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480887635] [2024-04-06 02:02:59,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:02:59,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:02:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:03:05,649 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 117 proven. 431 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-04-06 02:03:05,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:03:05,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480887635] [2024-04-06 02:03:05,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480887635] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:03:05,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876206119] [2024-04-06 02:03:05,649 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-06 02:03:05,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:03:05,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:03:05,650 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) [2024-04-06 02:03:05,652 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-06 02:03:05,912 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-06 02:03:05,912 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:03:05,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 135 conjunts are in the unsatisfiable core [2024-04-06 02:03:05,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:03:08,926 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-06 02:03:08,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 28 treesize of output 20 [2024-04-06 02:03:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 753 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-04-06 02:03:09,671 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:03:12,783 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-06 02:03:12,784 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 58 [2024-04-06 02:03:12,819 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-04-06 02:03:12,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 1 [2024-04-06 02:03:12,844 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-04-06 02:03:12,844 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 1 [2024-04-06 02:03:12,849 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-04-06 02:03:12,849 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 1 [2024-04-06 02:03:13,387 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-04-06 02:03:13,387 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876206119] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:03:13,387 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:03:13,387 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 66, 35] total 132 [2024-04-06 02:03:13,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965165069] [2024-04-06 02:03:13,388 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:03:13,388 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-04-06 02:03:13,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:03:13,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-04-06 02:03:13,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=16670, Unknown=0, NotChecked=0, Total=17292 [2024-04-06 02:03:13,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:13,393 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:03:13,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 7.174242424242424) internal successors, (947), 132 states have internal predecessors, (947), 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) [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:03:13,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:03:43,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:03:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:03:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:03:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:03:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:03:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:03:43,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-04-06 02:03:43,066 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-06 02:03:43,261 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,SelfDestructingSolverStorable8 [2024-04-06 02:03:43,262 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:03:43,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:03:43,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1875256706, now seen corresponding path program 5 times [2024-04-06 02:03:43,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:03:43,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [413601111] [2024-04-06 02:03:43,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:03:43,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:03:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:03:43,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 574 proven. 262 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:03:43,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:03:43,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [413601111] [2024-04-06 02:03:43,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [413601111] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:03:43,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202261483] [2024-04-06 02:03:43,628 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-06 02:03:43,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:03:43,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:03:43,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 02:03:43,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-06 02:03:43,943 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-06 02:03:43,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:03:43,947 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-06 02:03:43,952 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:03:44,264 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:03:44,264 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-06 02:03:44,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202261483] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-06 02:03:44,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-06 02:03:44,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-04-06 02:03:44,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873512344] [2024-04-06 02:03:44,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-06 02:03:44,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-06 02:03:44,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:03:44,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-06 02:03:44,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-04-06 02:03:44,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:44,266 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:03:44,266 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 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) [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2024-04-06 02:03:44,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:54,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-04-06 02:03:54,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:03:54,301 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-04-06 02:03:54,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:03:54,496 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-06 02:03:54,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-06 02:03:54,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1711468723, now seen corresponding path program 6 times [2024-04-06 02:03:54,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-06 02:03:54,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950636875] [2024-04-06 02:03:54,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-06 02:03:54,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-06 02:03:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-06 02:03:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 133 proven. 486 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-04-06 02:03:59,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-06 02:03:59,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950636875] [2024-04-06 02:03:59,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950636875] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-06 02:03:59,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [104323878] [2024-04-06 02:03:59,002 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-06 02:03:59,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:03:59,003 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-06 02:03:59,003 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-06 02:03:59,005 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-06 02:03:59,371 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-06 02:03:59,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-06 02:03:59,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 88 conjunts are in the unsatisfiable core [2024-04-06 02:03:59,380 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-06 02:04:01,990 INFO L349 Elim1Store]: treesize reduction 72, result has 50.3 percent of original size [2024-04-06 02:04:01,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 98 [2024-04-06 02:04:03,445 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 133 proven. 404 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:04:03,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-06 02:04:05,137 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-06 02:04:05,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-04-06 02:04:06,815 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 329 proven. 208 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-06 02:04:06,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [104323878] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-06 02:04:06,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-06 02:04:06,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 49, 39] total 128 [2024-04-06 02:04:06,816 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764754940] [2024-04-06 02:04:06,816 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-06 02:04:06,817 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-04-06 02:04:06,817 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-06 02:04:06,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-04-06 02:04:06,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=15386, Unknown=0, NotChecked=0, Total=16256 [2024-04-06 02:04:06,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:04:06,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-06 02:04:06,822 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 8.796875) internal successors, (1126), 128 states have internal predecessors, (1126), 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) [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-06 02:04:06,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-06 02:14:43,780 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-06 02:14:43,817 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-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 [2024-04-06 02:14:43,817 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 02:14:43,817 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-06 02:14:43,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-06 02:14:43,980 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-06 02:14:43,982 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-06 02:14:43,983 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-06 02:14:43,983 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-06 02:14:43,985 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1] [2024-04-06 02:14:43,987 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-06 02:14:43,987 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-06 02:14:43,989 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.04 02:14:43 BasicIcfg [2024-04-06 02:14:43,989 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-06 02:14:43,989 INFO L158 Benchmark]: Toolchain (without parser) took 776729.16ms. Allocated memory was 179.3MB in the beginning and 7.3GB in the end (delta: 7.1GB). Free memory was 110.1MB in the beginning and 6.3GB in the end (delta: -6.2GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-06 02:14:43,990 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory was 116.5MB in the beginning and 116.4MB in the end (delta: 157.8kB). There was no memory consumed. Max. memory is 8.0GB. [2024-04-06 02:14:43,990 INFO L158 Benchmark]: CACSL2BoogieTranslator took 257.28ms. Allocated memory is still 179.3MB. Free memory was 109.8MB in the beginning and 98.0MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-06 02:14:43,990 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.35ms. Allocated memory is still 179.3MB. Free memory was 97.8MB in the beginning and 95.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-06 02:14:43,990 INFO L158 Benchmark]: Boogie Preprocessor took 20.83ms. Allocated memory is still 179.3MB. Free memory was 95.6MB in the beginning and 93.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-06 02:14:43,990 INFO L158 Benchmark]: RCFGBuilder took 454.53ms. Allocated memory was 179.3MB in the beginning and 283.1MB in the end (delta: 103.8MB). Free memory was 93.6MB in the beginning and 234.1MB in the end (delta: -140.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-04-06 02:14:43,990 INFO L158 Benchmark]: TraceAbstraction took 775962.81ms. Allocated memory was 283.1MB in the beginning and 7.3GB in the end (delta: 7.0GB). Free memory was 233.0MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2024-04-06 02:14:43,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 179.3MB. Free memory was 116.5MB in the beginning and 116.4MB in the end (delta: 157.8kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 257.28ms. Allocated memory is still 179.3MB. Free memory was 109.8MB in the beginning and 98.0MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.35ms. Allocated memory is still 179.3MB. Free memory was 97.8MB in the beginning and 95.6MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.83ms. Allocated memory is still 179.3MB. Free memory was 95.6MB in the beginning and 93.8MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 454.53ms. Allocated memory was 179.3MB in the beginning and 283.1MB in the end (delta: 103.8MB). Free memory was 93.6MB in the beginning and 234.1MB in the end (delta: -140.4MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * TraceAbstraction took 775962.81ms. Allocated memory was 283.1MB in the beginning and 7.3GB in the end (delta: 7.0GB). Free memory was 233.0MB in the beginning and 6.3GB in the end (delta: -6.1GB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 170684, independent: 151446, independent conditional: 149990, independent unconditional: 1456, dependent: 19238, dependent conditional: 17759, dependent unconditional: 1479, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 149990, independent unconditional: 1456, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 149990, independent unconditional: 1456, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 149990, independent unconditional: 1456, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 4066, independent unconditional: 147380, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 3252, independent unconditional: 148194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 3252, independent unconditional: 148194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3832, independent: 3832, independent conditional: 0, independent unconditional: 3832, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3832, independent: 3832, independent conditional: 0, independent unconditional: 3832, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 151446, independent: 147614, independent conditional: 3252, independent unconditional: 144362, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3832, unknown conditional: 0, unknown unconditional: 3832] , Statistics on independence cache: Total cache size (in pairs): 3832, Positive cache size: 3832, Positive conditional cache size: 0, Positive unconditional cache size: 3832, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 814, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 4066, independent unconditional: 147380, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 3252, independent unconditional: 148194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 151446, independent: 151446, independent conditional: 3252, independent unconditional: 148194, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3832, independent: 3832, independent conditional: 0, independent unconditional: 3832, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3832, independent: 3832, independent conditional: 0, independent unconditional: 3832, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 151446, independent: 147614, independent conditional: 3252, independent unconditional: 144362, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3832, unknown conditional: 0, unknown unconditional: 3832] , Statistics on independence cache: Total cache size (in pairs): 3832, Positive cache size: 3832, Positive conditional cache size: 0, Positive unconditional cache size: 3832, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 814 ], Independence queries for same thread: 19238 - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 344 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 775.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 729.9s, 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: 3725, 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: 0.3s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 41.3s InterpolantComputationTime, 7323 NumberOfCodeBlocks, 7323 NumberOfCodeBlocksAsserted, 38 NumberOfCheckSat, 9485 ConstructedInterpolants, 8 QuantifiedInterpolants, 63218 SizeOfPredicates, 238 NumberOfNonLiveVariables, 6039 ConjunctsInSsa, 415 ConjunctsInUnsatCore, 25 InterpolantComputations, 5 PerfectInterpolantSequences, 6966/10551 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