/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 IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -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 [2024-04-04 12:55:27,443 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 12:55:27,484 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 12:55:27,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 12:55:27,487 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 12:55:27,506 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 12:55:27,506 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 12:55:27,507 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 12:55:27,507 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 12:55:27,510 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 12:55:27,511 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 12:55:27,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 12:55:27,511 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 12:55:27,513 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 12:55:27,513 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 12:55:27,513 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 12:55:27,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 12:55:27,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 12:55:27,513 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 12:55:27,513 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 12:55:27,514 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 12:55:27,514 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 12:55:27,514 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 12:55:27,514 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 12:55:27,514 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 12:55:27,515 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 12:55:27,515 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 12:55:27,515 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 12:55:27,515 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 12:55:27,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:55:27,516 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 12:55:27,516 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 12:55:27,517 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 12:55:27,517 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 12:55:27,716 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 12:55:27,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 12:55:27,736 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 12:55:27,737 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 12:55:27,738 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 12:55:27,738 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2024-04-04 12:55:28,777 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 12:55:28,940 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 12:55:28,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2024-04-04 12:55:28,945 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6153b257/1144c57dde2044989b04ff89b084fbc0/FLAGe158beb49 [2024-04-04 12:55:28,955 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f6153b257/1144c57dde2044989b04ff89b084fbc0 [2024-04-04 12:55:28,956 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 12:55:28,957 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 12:55:28,958 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 12:55:28,958 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 12:55:28,964 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 12:55:28,965 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:55:28" (1/1) ... [2024-04-04 12:55:28,965 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67b7cbef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:28, skipping insertion in model container [2024-04-04 12:55:28,965 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:55:28" (1/1) ... [2024-04-04 12:55:28,981 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 12:55:29,106 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] [2024-04-04 12:55:29,115 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:55:29,124 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 12:55:29,144 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] [2024-04-04 12:55:29,148 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:55:29,161 INFO L206 MainTranslator]: Completed translation [2024-04-04 12:55:29,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29 WrapperNode [2024-04-04 12:55:29,162 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 12:55:29,163 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 12:55:29,163 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 12:55:29,163 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 12:55:29,170 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,178 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,201 INFO L138 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 199 [2024-04-04 12:55:29,201 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 12:55:29,202 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 12:55:29,202 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 12:55:29,202 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 12:55:29,209 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,218 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,221 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,222 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,223 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,226 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 12:55:29,226 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 12:55:29,227 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 12:55:29,227 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 12:55:29,227 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (1/1) ... [2024-04-04 12:55:29,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:55:29,250 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:55:29,263 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) [2024-04-04 12:55:29,264 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 [2024-04-04 12:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 12:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 12:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 12:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 12:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 12:55:29,297 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 12:55:29,297 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 12:55:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 12:55:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 12:55:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 12:55:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 12:55:29,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 12:55:29,298 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 12:55:29,299 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 12:55:29,378 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 12:55:29,379 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 12:55:29,630 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 12:55:29,642 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 12:55:29,642 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 12:55:29,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:55:29 BoogieIcfgContainer [2024-04-04 12:55:29,643 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 12:55:29,645 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 12:55:29,645 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 12:55:29,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 12:55:29,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:55:28" (1/3) ... [2024-04-04 12:55:29,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c21933d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:55:29, skipping insertion in model container [2024-04-04 12:55:29,652 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:55:29" (2/3) ... [2024-04-04 12:55:29,652 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c21933d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:55:29, skipping insertion in model container [2024-04-04 12:55:29,653 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:55:29" (3/3) ... [2024-04-04 12:55:29,654 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-04-04 12:55:29,660 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 12:55:29,667 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 12:55:29,667 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 12:55:29,667 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 12:55:29,749 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 12:55:29,782 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:55:29,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:55:29,783 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:55:29,793 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) [2024-04-04 12:55:29,794 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 [2024-04-04 12:55:29,821 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:55:29,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:29,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:55:29,836 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;@28947b2e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:55:29,836 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 12:55:30,128 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:30,131 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:30,131 INFO L85 PathProgramCache]: Analyzing trace with hash 1830923232, now seen corresponding path program 1 times [2024-04-04 12:55:30,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:30,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964156299] [2024-04-04 12:55:30,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:30,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:30,425 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 12:55:30,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:30,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964156299] [2024-04-04 12:55:30,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964156299] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:55:30,426 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:55:30,426 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 12:55:30,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283014462] [2024-04-04 12:55:30,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:55:30,432 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 12:55:30,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:55:30,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 12:55:30,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 12:55:30,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:30,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:55:30,527 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) [2024-04-04 12:55:30,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:30,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:30,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 12:55:30,612 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:30,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:30,613 INFO L85 PathProgramCache]: Analyzing trace with hash 844391816, now seen corresponding path program 1 times [2024-04-04 12:55:30,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:30,613 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964314193] [2024-04-04 12:55:30,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:30,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:30,865 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 12:55:30,865 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:30,865 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964314193] [2024-04-04 12:55:30,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964314193] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:55:30,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:55:30,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-04-04 12:55:30,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993393565] [2024-04-04 12:55:30,866 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:55:30,867 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-04-04 12:55:30,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:55:30,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-04-04 12:55:30,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-04-04 12:55:30,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:30,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:55:30,921 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) [2024-04-04 12:55:30,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:30,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:31,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:31,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 12:55:31,077 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:31,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:31,077 INFO L85 PathProgramCache]: Analyzing trace with hash -817534290, now seen corresponding path program 1 times [2024-04-04 12:55:31,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:31,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623887274] [2024-04-04 12:55:31,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:31,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 12:55:31,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623887274] [2024-04-04 12:55:31,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623887274] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:55:31,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713717833] [2024-04-04 12:55:31,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:31,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:55:31,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:55:31,362 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) [2024-04-04 12:55:31,364 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 12:55:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:31,470 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-04 12:55:31,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:55:31,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 12:55:31,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:55:31,676 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-04 12:55:31,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713717833] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:55:31,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:55:31,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-04-04 12:55:31,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417683806] [2024-04-04 12:55:31,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:55:31,683 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-04 12:55:31,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:55:31,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-04 12:55:31,710 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-04-04 12:55:31,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:31,710 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:55:31,710 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) [2024-04-04 12:55:31,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:31,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:31,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:31,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:31,934 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 12:55:32,125 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 [2024-04-04 12:55:32,126 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:32,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:32,127 INFO L85 PathProgramCache]: Analyzing trace with hash 311988474, now seen corresponding path program 2 times [2024-04-04 12:55:32,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:32,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653195995] [2024-04-04 12:55:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:32,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:32,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:32,409 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 12:55:32,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:32,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653195995] [2024-04-04 12:55:32,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653195995] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:55:32,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [238130997] [2024-04-04 12:55:32,420 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:55:32,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:55:32,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:55:32,422 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) [2024-04-04 12:55:32,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 12:55:32,672 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:55:32,672 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:55:32,675 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 12:55:32,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:55:32,847 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 12:55:32,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:55:32,963 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 12:55:32,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [238130997] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:55:32,964 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:55:32,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-04-04 12:55:32,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1040768392] [2024-04-04 12:55:32,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:55:32,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-04-04 12:55:32,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:55:33,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-04-04 12:55:33,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-04-04 12:55:33,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:33,005 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:55:33,005 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) [2024-04-04 12:55:33,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:33,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:33,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:33,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:33,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:55:33,392 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-04 12:55:33,577 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 [2024-04-04 12:55:33,578 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:33,578 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:33,578 INFO L85 PathProgramCache]: Analyzing trace with hash 102926150, now seen corresponding path program 3 times [2024-04-04 12:55:33,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:33,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968571871] [2024-04-04 12:55:33,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:33,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:33,991 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:55:33,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:33,991 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968571871] [2024-04-04 12:55:33,991 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968571871] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:55:33,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:55:33,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 12:55:33,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233711999] [2024-04-04 12:55:33,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:55:33,992 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 12:55:33,992 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:55:34,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 12:55:34,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-04-04 12:55:34,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:34,042 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:55:34,042 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) [2024-04-04 12:55:34,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:34,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:34,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:34,042 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:55:34,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:34,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:55:34,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:55:34,177 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 12:55:34,177 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:34,178 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:34,179 INFO L85 PathProgramCache]: Analyzing trace with hash 367578129, now seen corresponding path program 1 times [2024-04-04 12:55:34,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:34,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [484604334] [2024-04-04 12:55:34,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:34,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:34,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:36,928 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:55:36,928 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:36,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [484604334] [2024-04-04 12:55:36,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [484604334] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:55:36,928 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553350762] [2024-04-04 12:55:36,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:36,929 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:55:36,929 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:55:36,930 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) [2024-04-04 12:55:36,948 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 12:55:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:37,077 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 66 conjunts are in the unsatisfiable core [2024-04-04 12:55:37,082 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:55:37,714 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:55:37,715 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 [2024-04-04 12:55:38,561 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:55:38,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:55:40,052 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-04-04 12:55:40,053 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 [2024-04-04 12:55:40,088 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-04 12:55:40,088 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 [2024-04-04 12:55:40,167 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:55:40,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1553350762] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:55:40,168 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:55:40,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 25, 25] total 82 [2024-04-04 12:55:40,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912235081] [2024-04-04 12:55:40,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:55:40,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-04 12:55:40,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:55:40,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-04 12:55:40,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=6287, Unknown=0, NotChecked=0, Total=6642 [2024-04-04 12:55:40,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:40,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:55:40,249 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) [2024-04-04 12:55:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:55:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:55:40,250 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:55:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:55:53,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:55:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:55:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:55:53,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:55:53,461 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 12:55:53,661 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 [2024-04-04 12:55:53,661 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:55:53,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:55:53,662 INFO L85 PathProgramCache]: Analyzing trace with hash -1015336420, now seen corresponding path program 2 times [2024-04-04 12:55:53,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:55:53,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993105310] [2024-04-04 12:55:53,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:55:53,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:55:53,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:55:57,791 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 134 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:55:57,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:55:57,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993105310] [2024-04-04 12:55:57,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993105310] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:55:57,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [389043875] [2024-04-04 12:55:57,791 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:55:57,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:55:57,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:55:57,792 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) [2024-04-04 12:55:57,794 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 12:55:57,959 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:55:57,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:55:57,963 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 86 conjunts are in the unsatisfiable core [2024-04-04 12:55:57,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:55:59,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:55:59,222 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 [2024-04-04 12:55:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 192 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 12:55:59,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:56:01,395 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-04-04 12:56:01,396 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 [2024-04-04 12:56:01,427 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-04 12:56:01,427 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 [2024-04-04 12:56:01,869 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 134 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:56:01,869 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [389043875] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:56:01,869 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:56:01,869 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 38, 29] total 99 [2024-04-04 12:56:01,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1084612376] [2024-04-04 12:56:01,869 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:56:01,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-04-04 12:56:01,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:56:02,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-04-04 12:56:02,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=9294, Unknown=0, NotChecked=0, Total=9702 [2024-04-04 12:56:02,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:02,034 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:56:02,035 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) [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:56:02,035 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:56:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:56:42,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:56:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:56:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:56:42,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:56:42,555 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 12:56:42,752 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 [2024-04-04 12:56:42,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:56:42,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:56:42,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1142557629, now seen corresponding path program 3 times [2024-04-04 12:56:42,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:56:42,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1044061860] [2024-04-04 12:56:42,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:56:42,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:56:42,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:56:43,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 707 proven. 129 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:56:43,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:56:43,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1044061860] [2024-04-04 12:56:43,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1044061860] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:56:43,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718361866] [2024-04-04 12:56:43,195 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:56:43,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:56:43,195 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:56:43,196 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) [2024-04-04 12:56:43,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 12:56:43,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 12:56:43,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:56:43,548 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 12:56:43,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:56:43,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:56:43,884 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 12:56:43,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718361866] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:56:43,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 12:56:43,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-04-04 12:56:43,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718345889] [2024-04-04 12:56:43,884 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:56:43,885 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-04 12:56:43,885 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:56:43,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-04 12:56:43,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-04-04 12:56:43,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:43,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:56:43,965 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) [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:56:43,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:44,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:56:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:56:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:56:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:56:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:56:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:56:44,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:56:44,191 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 12:56:44,391 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 [2024-04-04 12:56:44,391 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:56:44,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:56:44,391 INFO L85 PathProgramCache]: Analyzing trace with hash 474499880, now seen corresponding path program 4 times [2024-04-04 12:56:44,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:56:44,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [780915247] [2024-04-04 12:56:44,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:56:44,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:56:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:56:50,947 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 117 proven. 431 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-04-04 12:56:50,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:56:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [780915247] [2024-04-04 12:56:50,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [780915247] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:56:50,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337717409] [2024-04-04 12:56:50,947 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 12:56:50,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:56:50,948 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:56:50,948 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) [2024-04-04 12:56:50,950 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 12:56:51,225 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 12:56:51,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:56:51,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 135 conjunts are in the unsatisfiable core [2024-04-04 12:56:51,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:56:54,348 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:56:54,349 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 [2024-04-04 12:56:55,115 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 753 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-04-04 12:56:55,115 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:56:58,339 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-04 12:56:58,339 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 [2024-04-04 12:56:58,377 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-04-04 12:56:58,377 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 [2024-04-04 12:56:58,404 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-04-04 12:56:58,404 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 [2024-04-04 12:56:58,409 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-04-04 12:56:58,409 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 [2024-04-04 12:56:58,913 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-04-04 12:56:58,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337717409] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:56:58,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:56:58,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 66, 35] total 132 [2024-04-04 12:56:58,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839307413] [2024-04-04 12:56:58,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:56:58,916 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-04-04 12:56:58,916 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:56:59,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-04-04 12:56:59,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=16670, Unknown=0, NotChecked=0, Total=17292 [2024-04-04 12:56:59,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:59,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:56:59,137 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) [2024-04-04 12:56:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:56:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:56:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:56:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:56:59,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:56:59,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:56:59,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:56:59,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:56:59,138 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:57:29,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-04-04 12:57:29,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 12:57:29,792 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 [2024-04-04 12:57:29,792 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:57:29,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:57:29,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1875256706, now seen corresponding path program 5 times [2024-04-04 12:57:29,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:57:29,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112696515] [2024-04-04 12:57:29,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:57:29,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:57:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:57:30,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 574 proven. 262 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:57:30,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:57:30,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112696515] [2024-04-04 12:57:30,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112696515] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:57:30,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1406628687] [2024-04-04 12:57:30,169 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 12:57:30,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:57:30,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:57:30,170 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) [2024-04-04 12:57:30,172 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 12:57:30,491 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-04-04 12:57:30,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:57:30,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 12:57:30,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:57:30,799 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:57:30,799 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 12:57:30,800 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1406628687] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:57:30,800 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 12:57:30,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-04-04 12:57:30,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002760978] [2024-04-04 12:57:30,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:57:30,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-04-04 12:57:30,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:57:30,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-04-04 12:57:30,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-04-04 12:57:30,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:30,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:57:30,871 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) [2024-04-04 12:57:30,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:30,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:57:30,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2024-04-04 12:57:30,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:57:41,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:57:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:57:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-04-04 12:57:41,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:57:41,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 12:57:41,221 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 [2024-04-04 12:57:41,221 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 12:57:41,222 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:57:41,222 INFO L85 PathProgramCache]: Analyzing trace with hash 1711468723, now seen corresponding path program 6 times [2024-04-04 12:57:41,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:57:41,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067725007] [2024-04-04 12:57:41,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:57:41,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:57:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:57:45,851 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 133 proven. 486 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-04-04 12:57:45,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:57:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067725007] [2024-04-04 12:57:45,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067725007] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:57:45,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768352132] [2024-04-04 12:57:45,851 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 12:57:45,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:57:45,852 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:57:45,852 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) [2024-04-04 12:57:45,854 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 12:57:46,219 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-04-04 12:57:46,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:57:46,223 INFO L262 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 88 conjunts are in the unsatisfiable core [2024-04-04 12:57:46,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:57:48,871 INFO L349 Elim1Store]: treesize reduction 72, result has 50.3 percent of original size [2024-04-04 12:57:48,871 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 [2024-04-04 12:57:50,289 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 133 proven. 404 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:57:50,290 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:57:52,021 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-04-04 12:57:52,022 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 [2024-04-04 12:57:53,867 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 329 proven. 208 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-04-04 12:57:53,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768352132] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:57:53,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:57:53,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 49, 39] total 128 [2024-04-04 12:57:53,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753928864] [2024-04-04 12:57:53,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:57:53,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-04-04 12:57:53,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:57:54,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-04-04 12:57:54,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=15386, Unknown=0, NotChecked=0, Total=16256 [2024-04-04 12:57:54,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:54,012 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:57:54,012 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) [2024-04-04 12:57:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:57:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-04-04 12:57:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:57:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:57:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 12:57:54,012 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-04-04 12:57:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-04-04 12:57:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:57:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-04-04 12:57:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:57:54,013 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2024-04-04 13:08:24,527 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 [2024-04-04 13:08:24,531 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 [2024-04-04 13:08:24,531 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 [2024-04-04 13:08:24,535 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-04 13:08:24,731 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 [2024-04-04 13:08:24,732 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-16-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-12-2-2-2-1 context. [2024-04-04 13:08:24,735 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 13:08:24,735 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 13:08:24,735 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 13:08:24,738 INFO L445 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1] [2024-04-04 13:08:24,740 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 13:08:24,740 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 13:08:24,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 01:08:24 BasicIcfg [2024-04-04 13:08:24,747 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 13:08:24,747 INFO L158 Benchmark]: Toolchain (without parser) took 775789.92ms. Allocated memory was 300.9MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 228.4MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-04-04 13:08:24,748 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 300.9MB. Free memory is still 267.9MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 13:08:24,748 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.11ms. Allocated memory is still 300.9MB. Free memory was 228.4MB in the beginning and 216.4MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 13:08:24,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.73ms. Allocated memory is still 300.9MB. Free memory was 216.4MB in the beginning and 213.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 13:08:24,748 INFO L158 Benchmark]: Boogie Preprocessor took 23.84ms. Allocated memory is still 300.9MB. Free memory was 213.7MB in the beginning and 212.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 13:08:24,749 INFO L158 Benchmark]: RCFGBuilder took 416.82ms. Allocated memory is still 300.9MB. Free memory was 212.2MB in the beginning and 189.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. [2024-04-04 13:08:24,749 INFO L158 Benchmark]: TraceAbstraction took 775101.93ms. Allocated memory was 300.9MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 188.6MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-04-04 13:08:24,750 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 300.9MB. Free memory is still 267.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 204.11ms. Allocated memory is still 300.9MB. Free memory was 228.4MB in the beginning and 216.4MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 38.73ms. Allocated memory is still 300.9MB. Free memory was 216.4MB in the beginning and 213.7MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.84ms. Allocated memory is still 300.9MB. Free memory was 213.7MB in the beginning and 212.2MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 416.82ms. Allocated memory is still 300.9MB. Free memory was 212.2MB in the beginning and 189.6MB in the end (delta: 22.6MB). Peak memory consumption was 23.1MB. Max. memory is 8.0GB. * TraceAbstraction took 775101.93ms. Allocated memory was 300.9MB in the beginning and 6.7GB in the end (delta: 6.4GB). Free memory was 188.6MB in the beginning and 5.6GB in the end (delta: -5.4GB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 85202, independent: 76986, independent conditional: 76905, independent unconditional: 81, dependent: 8216, dependent conditional: 8173, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 76986, independent: 76986, independent conditional: 76905, independent unconditional: 81, 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: 76986, independent: 76986, independent conditional: 76905, independent unconditional: 81, 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: 76986, independent: 76986, independent conditional: 76905, independent unconditional: 81, 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: 76986, independent: 76986, independent conditional: 4000, independent unconditional: 72986, 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: 76986, independent: 76986, independent conditional: 3412, independent unconditional: 73574, 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: 76986, independent: 76986, independent conditional: 3412, independent unconditional: 73574, 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: 3958, independent: 3958, independent conditional: 155, independent unconditional: 3803, 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: 3958, independent: 3958, independent conditional: 0, independent unconditional: 3958, 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: 76986, independent: 73028, independent conditional: 3257, independent unconditional: 69771, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3958, unknown conditional: 155, unknown unconditional: 3803] , Statistics on independence cache: Total cache size (in pairs): 3958, Positive cache size: 3958, Positive conditional cache size: 155, Positive unconditional cache size: 3803, 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: 588, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 76986, independent: 76986, independent conditional: 4000, independent unconditional: 72986, 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: 76986, independent: 76986, independent conditional: 3412, independent unconditional: 73574, 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: 76986, independent: 76986, independent conditional: 3412, independent unconditional: 73574, 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: 3958, independent: 3958, independent conditional: 155, independent unconditional: 3803, 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: 3958, independent: 3958, independent conditional: 0, independent unconditional: 3958, 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: 76986, independent: 73028, independent conditional: 3257, independent unconditional: 69771, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3958, unknown conditional: 155, unknown unconditional: 3803] , Statistics on independence cache: Total cache size (in pairs): 3958, Positive cache size: 3958, Positive conditional cache size: 155, Positive unconditional cache size: 3803, 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: 588 ], Independence queries for same thread: 8216 - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-16-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-12-2-2-2-1 context. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-16-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-12-2-2-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDA2 was simplifying a ∧-16-2-2-2-2-1 term,while SimplifyDDA2 was simplifying 2 xjuncts wrt. a ∧-12-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 344 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 774.9s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 6, EmptinessCheckTime: 726.3s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3656, 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, 1.8s SatisfiabilityAnalysisTime, 43.0s 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