/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 BOTH --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-08 03:41:48,162 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-08 03:41:48,245 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-08 03:41:48,249 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-08 03:41:48,250 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-08 03:41:48,276 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-08 03:41:48,277 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-08 03:41:48,277 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-08 03:41:48,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-08 03:41:48,281 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-08 03:41:48,282 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-08 03:41:48,282 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-08 03:41:48,282 INFO L153 SettingsManager]: * Use SBE=true [2024-05-08 03:41:48,284 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-08 03:41:48,284 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-08 03:41:48,284 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-08 03:41:48,284 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-08 03:41:48,285 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-08 03:41:48,285 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-08 03:41:48,285 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-08 03:41:48,285 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-08 03:41:48,286 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-08 03:41:48,286 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-08 03:41:48,286 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-08 03:41:48,286 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-08 03:41:48,286 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-08 03:41:48,287 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-08 03:41:48,287 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-08 03:41:48,287 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-08 03:41:48,287 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 03:41:48,289 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-08 03:41:48,289 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-08 03:41:48,289 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-08 03:41:48,289 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-08 03:41:48,289 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-08 03:41:48,290 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-08 03:41:48,290 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-08 03:41:48,290 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-08 03:41:48,290 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-08 03:41:48,290 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> BOTH Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-08 03:41:48,526 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-08 03:41:48,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-08 03:41:48,558 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-08 03:41:48,560 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-08 03:41:48,560 INFO L274 PluginConnector]: CDTParser initialized [2024-05-08 03:41:48,561 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-05-08 03:41:49,707 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-08 03:41:49,908 INFO L384 CDTParser]: Found 1 translation units. [2024-05-08 03:41:49,908 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2024-05-08 03:41:49,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7629f4788/cd06be4ffef94982af0b80a0264b9aff/FLAG5a0586627 [2024-05-08 03:41:49,928 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/7629f4788/cd06be4ffef94982af0b80a0264b9aff [2024-05-08 03:41:49,931 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-08 03:41:49,932 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-08 03:41:49,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-08 03:41:49,933 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-08 03:41:49,937 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-08 03:41:49,937 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 03:41:49" (1/1) ... [2024-05-08 03:41:49,938 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78574401 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:49, skipping insertion in model container [2024-05-08 03:41:49,938 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.05 03:41:49" (1/1) ... [2024-05-08 03:41:49,957 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-08 03:41:50,099 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/parallel-misc-1.wvr.c[2755,2768] [2024-05-08 03:41:50,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 03:41:50,118 INFO L202 MainTranslator]: Completed pre-run [2024-05-08 03:41:50,137 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/parallel-misc-1.wvr.c[2755,2768] [2024-05-08 03:41:50,141 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-08 03:41:50,154 INFO L206 MainTranslator]: Completed translation [2024-05-08 03:41:50,154 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50 WrapperNode [2024-05-08 03:41:50,154 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-08 03:41:50,155 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-08 03:41:50,155 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-08 03:41:50,155 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-08 03:41:50,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,169 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,209 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 287 [2024-05-08 03:41:50,209 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-08 03:41:50,210 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-08 03:41:50,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-08 03:41:50,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-08 03:41:50,218 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,218 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,225 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,225 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,234 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,237 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-08 03:41:50,244 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-08 03:41:50,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-08 03:41:50,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-08 03:41:50,245 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (1/1) ... [2024-05-08 03:41:50,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-08 03:41:50,261 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:41:50,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-08 03:41:50,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-08 03:41:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-08 03:41:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-08 03:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-08 03:41:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-08 03:41:50,324 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-08 03:41:50,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-08 03:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-08 03:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-08 03:41:50,325 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-08 03:41:50,343 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-08 03:41:50,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-08 03:41:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-08 03:41:50,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-08 03:41:50,353 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-08 03:41:50,464 INFO L241 CfgBuilder]: Building ICFG [2024-05-08 03:41:50,466 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-08 03:41:50,893 INFO L282 CfgBuilder]: Performing block encoding [2024-05-08 03:41:50,915 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-08 03:41:50,916 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-08 03:41:50,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 03:41:50 BoogieIcfgContainer [2024-05-08 03:41:50,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-08 03:41:50,927 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-08 03:41:50,928 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-08 03:41:50,930 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-08 03:41:50,931 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.05 03:41:49" (1/3) ... [2024-05-08 03:41:50,931 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c42ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 03:41:50, skipping insertion in model container [2024-05-08 03:41:50,932 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.05 03:41:50" (2/3) ... [2024-05-08 03:41:50,933 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25c42ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.05 03:41:50, skipping insertion in model container [2024-05-08 03:41:50,933 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.05 03:41:50" (3/3) ... [2024-05-08 03:41:50,934 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2024-05-08 03:41:50,941 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-08 03:41:50,950 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-08 03:41:50,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-08 03:41:50,951 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-08 03:41:51,082 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-08 03:41:51,124 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-08 03:41:51,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-08 03:41:51,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:41:51,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-08 03:41:51,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-08 03:41:51,161 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-08 03:41:51,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:41:51,175 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-08 03:41:51,182 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;@7f9c4c71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=BOTH, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-08 03:41:51,182 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-08 03:41:52,298 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:41:52,306 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:41:52,307 INFO L85 PathProgramCache]: Analyzing trace with hash -1685970565, now seen corresponding path program 1 times [2024-05-08 03:41:52,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:41:52,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1600386990] [2024-05-08 03:41:52,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:41:52,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:41:52,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:41:52,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:41:52,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:41:52,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1600386990] [2024-05-08 03:41:52,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1600386990] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 03:41:52,778 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 03:41:52,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-08 03:41:52,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368177174] [2024-05-08 03:41:52,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:41:52,786 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-08 03:41:52,786 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:41:52,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-08 03:41:52,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-08 03:41:52,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:52,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:41:52,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.5) internal successors, (237), 2 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:41:52,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:53,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-08 03:41:53,497 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:41:53,497 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:41:53,498 INFO L85 PathProgramCache]: Analyzing trace with hash 1863192959, now seen corresponding path program 1 times [2024-05-08 03:41:53,498 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:41:53,498 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565876916] [2024-05-08 03:41:53,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:41:53,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:41:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:41:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:54,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:41:54,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565876916] [2024-05-08 03:41:54,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565876916] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-08 03:41:54,379 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-08 03:41:54,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-08 03:41:54,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [49058122] [2024-05-08 03:41:54,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:41:54,382 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-08 03:41:54,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:41:54,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-08 03:41:54,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-05-08 03:41:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:54,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:41:54,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.0) internal successors, (225), 9 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:41:54,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:54,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:55,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:55,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:41:55,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-08 03:41:55,118 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:41:55,119 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:41:55,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1156448313, now seen corresponding path program 1 times [2024-05-08 03:41:55,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:41:55,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170253843] [2024-05-08 03:41:55,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:41:55,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:41:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:41:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:55,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:41:55,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170253843] [2024-05-08 03:41:55,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170253843] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:41:55,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [91550131] [2024-05-08 03:41:55,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:41:55,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:41:55,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:41:55,690 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:41:55,692 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-08 03:41:55,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:41:55,918 INFO L262 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-08 03:41:55,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:41:56,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:56,350 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:41:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:56,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [91550131] provided 1 perfect and 1 imperfect interpolant sequences [2024-05-08 03:41:56,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-05-08 03:41:56,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 9] total 19 [2024-05-08 03:41:56,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649319702] [2024-05-08 03:41:56,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-08 03:41:56,634 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-08 03:41:56,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:41:56,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-08 03:41:56,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-05-08 03:41:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:56,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:41:56,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 25.88888888888889) internal successors, (233), 9 states have internal predecessors, (233), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:41:56,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:56,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:41:56,661 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:56,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:41:56,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:41:56,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-08 03:41:57,164 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 [2024-05-08 03:41:57,165 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:41:57,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:41:57,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1315049597, now seen corresponding path program 1 times [2024-05-08 03:41:57,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:41:57,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396864148] [2024-05-08 03:41:57,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:41:57,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:41:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:41:58,079 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:58,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:41:58,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396864148] [2024-05-08 03:41:58,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396864148] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:41:58,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414598002] [2024-05-08 03:41:58,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:41:58,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:41:58,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:41:58,085 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:41:58,088 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-08 03:41:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:41:58,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-08 03:41:58,277 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:41:58,862 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 58 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:58,862 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:41:59,239 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 59 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:41:59,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414598002] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:41:59,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:41:59,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-05-08 03:41:59,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517888569] [2024-05-08 03:41:59,240 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:41:59,241 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-08 03:41:59,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:41:59,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-08 03:41:59,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=613, Unknown=0, NotChecked=0, Total=756 [2024-05-08 03:41:59,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:59,482 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:41:59,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 18.571428571428573) internal successors, (520), 28 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) [2024-05-08 03:41:59,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:59,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:41:59,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:41:59,483 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:41:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:41:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:41:59,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:41:59,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:00,082 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 [2024-05-08 03:42:00,083 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:00,083 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:00,083 INFO L85 PathProgramCache]: Analyzing trace with hash -963921609, now seen corresponding path program 2 times [2024-05-08 03:42:00,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:00,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340388810] [2024-05-08 03:42:00,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:00,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:00,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:00,790 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 2 proven. 67 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:00,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:00,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340388810] [2024-05-08 03:42:00,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340388810] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:00,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [943363741] [2024-05-08 03:42:00,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 03:42:00,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:00,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:00,792 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:00,813 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-08 03:42:00,949 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 03:42:00,950 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:00,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-08 03:42:00,957 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:01,594 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 3 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:01,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:02,090 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 12 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:02,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [943363741] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:02,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:02,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 28 [2024-05-08 03:42:02,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717336421] [2024-05-08 03:42:02,095 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:02,096 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-05-08 03:42:02,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:02,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-05-08 03:42:02,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2024-05-08 03:42:02,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:02,319 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:02,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 20.857142857142858) internal successors, (584), 28 states have internal predecessors, (584), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:02,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:02,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:03,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:03,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:03,850 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:03,851 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:03,851 INFO L85 PathProgramCache]: Analyzing trace with hash -250632837, now seen corresponding path program 3 times [2024-05-08 03:42:03,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:03,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512470839] [2024-05-08 03:42:03,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:03,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:04,705 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 229 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:04,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:04,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512470839] [2024-05-08 03:42:04,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512470839] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:04,707 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1360499217] [2024-05-08 03:42:04,707 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 03:42:04,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:04,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:04,709 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:04,729 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-08 03:42:04,954 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-08 03:42:04,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:04,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-08 03:42:04,963 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:05,880 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 174 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:05,880 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:06,490 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 229 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:06,491 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1360499217] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:06,491 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:06,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 38 [2024-05-08 03:42:06,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988008611] [2024-05-08 03:42:06,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:06,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-08 03:42:06,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:06,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-08 03:42:06,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=1167, Unknown=0, NotChecked=0, Total=1406 [2024-05-08 03:42:06,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:06,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:06,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 20.210526315789473) internal successors, (768), 38 states have internal predecessors, (768), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:06,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:06,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:06,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:06,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:06,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:06,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:07,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:07,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:07,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:07,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:07,792 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:07,989 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,SelfDestructingSolverStorable5 [2024-05-08 03:42:07,990 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:07,990 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:07,990 INFO L85 PathProgramCache]: Analyzing trace with hash 809306165, now seen corresponding path program 4 times [2024-05-08 03:42:07,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:07,991 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107212134] [2024-05-08 03:42:07,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:07,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:08,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:08,636 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 3 proven. 112 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2024-05-08 03:42:08,636 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:08,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107212134] [2024-05-08 03:42:08,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2107212134] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:08,636 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010628606] [2024-05-08 03:42:08,637 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-08 03:42:08,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:08,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:08,638 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:08,642 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-08 03:42:08,792 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-08 03:42:08,792 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:08,795 INFO L262 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-08 03:42:08,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 13 proven. 243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:09,809 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:10,550 INFO L134 CoverageAnalysis]: Checked inductivity of 256 backedges. 30 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:10,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010628606] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:10,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:10,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 17, 17] total 37 [2024-05-08 03:42:10,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920782469] [2024-05-08 03:42:10,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:10,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-05-08 03:42:10,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:10,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-05-08 03:42:10,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=1141, Unknown=0, NotChecked=0, Total=1332 [2024-05-08 03:42:10,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:10,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:10,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 26.43243243243243) internal successors, (978), 37 states have internal predecessors, (978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:10,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:14,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:14,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:14,296 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:14,297 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:14,297 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:14,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1171285431, now seen corresponding path program 5 times [2024-05-08 03:42:14,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:14,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857421184] [2024-05-08 03:42:14,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:14,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:15,508 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 511 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:15,508 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:15,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857421184] [2024-05-08 03:42:15,509 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857421184] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:15,509 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605542198] [2024-05-08 03:42:15,509 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-08 03:42:15,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:15,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:15,511 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:15,530 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-08 03:42:15,725 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-05-08 03:42:15,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:15,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-08 03:42:15,737 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:17,006 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 289 proven. 249 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:17,006 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:17,778 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 511 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:17,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605542198] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:17,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:17,779 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 21] total 48 [2024-05-08 03:42:17,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430856822] [2024-05-08 03:42:17,779 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:17,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-08 03:42:17,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:18,065 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-08 03:42:18,065 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=1895, Unknown=0, NotChecked=0, Total=2256 [2024-05-08 03:42:18,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:18,066 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:18,066 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 21.791666666666668) internal successors, (1046), 48 states have internal predecessors, (1046), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:18,066 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:19,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:19,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:19,940 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,SelfDestructingSolverStorable7 [2024-05-08 03:42:19,940 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:19,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:19,941 INFO L85 PathProgramCache]: Analyzing trace with hash 716931697, now seen corresponding path program 6 times [2024-05-08 03:42:19,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:19,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086417099] [2024-05-08 03:42:19,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:19,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 183 proven. 379 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:20,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:20,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086417099] [2024-05-08 03:42:20,988 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086417099] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:20,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28820880] [2024-05-08 03:42:20,989 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-08 03:42:20,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:20,989 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:20,990 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) [2024-05-08 03:42:20,992 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-08 03:42:21,207 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2024-05-08 03:42:21,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:21,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-08 03:42:21,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:22,265 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 198 proven. 364 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:22,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:23,156 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 55 proven. 508 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:23,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28820880] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:23,156 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:23,157 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 24] total 51 [2024-05-08 03:42:23,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216206579] [2024-05-08 03:42:23,157 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:23,158 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2024-05-08 03:42:23,158 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:23,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2024-05-08 03:42:23,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=332, Invalid=2218, Unknown=0, NotChecked=0, Total=2550 [2024-05-08 03:42:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:23,387 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:23,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 21.19607843137255) internal successors, (1081), 51 states have internal predecessors, (1081), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:23,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:23,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:23,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:23,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:23,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:23,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:23,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:23,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:23,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:25,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:25,518 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:25,711 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:25,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:25,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:25,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1459824309, now seen corresponding path program 7 times [2024-05-08 03:42:25,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:25,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899264187] [2024-05-08 03:42:25,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:25,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:25,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:27,149 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 905 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:27,150 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:27,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899264187] [2024-05-08 03:42:27,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899264187] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:27,150 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [529387167] [2024-05-08 03:42:27,150 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-08 03:42:27,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:27,150 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:27,152 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) [2024-05-08 03:42:27,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-08 03:42:27,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:27,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 1147 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-08 03:42:27,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:28,779 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 573 proven. 384 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:28,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:29,703 INFO L134 CoverageAnalysis]: Checked inductivity of 957 backedges. 905 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:29,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [529387167] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:29,703 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:29,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-05-08 03:42:29,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [428955378] [2024-05-08 03:42:29,703 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:29,705 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-08 03:42:29,705 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:30,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-08 03:42:30,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=509, Invalid=2797, Unknown=0, NotChecked=0, Total=3306 [2024-05-08 03:42:30,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:30,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:30,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 22.310344827586206) internal successors, (1294), 58 states have internal predecessors, (1294), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:30,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:30,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:30,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:30,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:30,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:30,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:30,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:31,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:31,458 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:31,652 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-08 03:42:31,653 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:31,653 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:31,653 INFO L85 PathProgramCache]: Analyzing trace with hash 2053504367, now seen corresponding path program 8 times [2024-05-08 03:42:31,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:31,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391619495] [2024-05-08 03:42:31,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:31,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:33,103 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 258 proven. 731 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:33,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:33,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391619495] [2024-05-08 03:42:33,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391619495] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:33,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669897909] [2024-05-08 03:42:33,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-08 03:42:33,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:33,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:33,104 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:33,109 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-08 03:42:33,337 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-08 03:42:33,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:33,341 INFO L262 TraceCheckSpWp]: Trace formula consists of 1161 conjuncts, 26 conjunts are in the unsatisfiable core [2024-05-08 03:42:33,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:34,719 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 280 proven. 709 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:34,720 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:35,696 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 313 proven. 676 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:35,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669897909] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:35,697 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:35,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 58 [2024-05-08 03:42:35,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900463728] [2024-05-08 03:42:35,697 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:35,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-05-08 03:42:35,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:36,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-05-08 03:42:36,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=460, Invalid=2846, Unknown=0, NotChecked=0, Total=3306 [2024-05-08 03:42:36,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:36,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:36,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 21.93103448275862) internal successors, (1272), 58 states have internal predecessors, (1272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:36,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:38,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:38,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:42:38,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:38,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-08 03:42:38,332 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:38,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:38,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1600224691, now seen corresponding path program 9 times [2024-05-08 03:42:38,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:38,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1471296865] [2024-05-08 03:42:38,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:38,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 1411 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:40,102 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:40,102 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1471296865] [2024-05-08 03:42:40,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1471296865] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:40,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [93268648] [2024-05-08 03:42:40,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-08 03:42:40,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:40,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:40,104 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:40,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-08 03:42:40,470 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-08 03:42:40,470 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:40,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 1331 conjuncts, 61 conjunts are in the unsatisfiable core [2024-05-08 03:42:40,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:42,395 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 281 proven. 1215 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:42,395 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:44,029 INFO L134 CoverageAnalysis]: Checked inductivity of 1496 backedges. 0 proven. 1496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:42:44,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [93268648] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:44,030 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:44,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 30, 33] total 88 [2024-05-08 03:42:44,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977329632] [2024-05-08 03:42:44,030 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:44,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 88 states [2024-05-08 03:42:44,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:44,266 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2024-05-08 03:42:44,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=869, Invalid=6787, Unknown=0, NotChecked=0, Total=7656 [2024-05-08 03:42:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:44,268 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:44,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 88 states, 88 states have (on average 25.420454545454547) internal successors, (2237), 88 states have internal predecessors, (2237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:44,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:44,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:44,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:44,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:42:44,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:47,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:42:47,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-08 03:42:47,357 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-08 03:42:47,550 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:47,551 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:47,551 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:47,551 INFO L85 PathProgramCache]: Analyzing trace with hash -39662251, now seen corresponding path program 10 times [2024-05-08 03:42:47,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:47,551 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157869207] [2024-05-08 03:42:47,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:47,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:47,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:42:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 525 proven. 1255 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:49,750 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:42:49,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157869207] [2024-05-08 03:42:49,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157869207] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:42:49,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839453333] [2024-05-08 03:42:49,751 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-08 03:42:49,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:42:49,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:42:49,752 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:42:49,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-08 03:42:49,980 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-08 03:42:49,981 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:42:49,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 1189 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-08 03:42:49,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:42:52,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 582 proven. 1198 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:52,153 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:42:53,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1781 backedges. 655 proven. 1125 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-08 03:42:53,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839453333] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:42:53,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:42:53,854 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 101 [2024-05-08 03:42:53,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1228917442] [2024-05-08 03:42:53,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:42:53,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-08 03:42:53,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:42:54,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-08 03:42:54,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1422, Invalid=8678, Unknown=0, NotChecked=0, Total=10100 [2024-05-08 03:42:54,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:54,104 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:42:54,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 20.742574257425744) internal successors, (2095), 101 states have internal predecessors, (2095), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:54,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:54,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:54,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:42:54,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-08 03:42:54,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:57,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-08 03:42:57,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-08 03:42:57,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-08 03:42:57,404 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-08 03:42:57,404 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:42:57,405 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:42:57,405 INFO L85 PathProgramCache]: Analyzing trace with hash 2002320041, now seen corresponding path program 11 times [2024-05-08 03:42:57,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:42:57,405 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425752656] [2024-05-08 03:42:57,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:42:57,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:42:57,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:43:01,999 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 5359 proven. 632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:43:01,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:43:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1425752656] [2024-05-08 03:43:02,000 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1425752656] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:43:02,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94363002] [2024-05-08 03:43:02,000 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-08 03:43:02,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:43:02,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:43:02,001 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:43:02,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-08 03:43:02,445 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-05-08 03:43:02,445 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:43:02,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 2251 conjuncts, 47 conjunts are in the unsatisfiable core [2024-05-08 03:43:02,472 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:43:06,051 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 561 proven. 5060 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-08 03:43:06,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-08 03:43:07,431 INFO L134 CoverageAnalysis]: Checked inductivity of 5991 backedges. 561 proven. 10 refuted. 0 times theorem prover too weak. 5420 trivial. 0 not checked. [2024-05-08 03:43:07,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94363002] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-08 03:43:07,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-08 03:43:07,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 46, 9] total 100 [2024-05-08 03:43:07,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744818969] [2024-05-08 03:43:07,432 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-08 03:43:07,434 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-05-08 03:43:07,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-08 03:43:07,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-05-08 03:43:07,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1229, Invalid=8671, Unknown=0, NotChecked=0, Total=9900 [2024-05-08 03:43:07,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:43:07,958 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-08 03:43:07,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 27.63) internal successors, (2763), 100 states have internal predecessors, (2763), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-08 03:43:07,959 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-08 03:43:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 391 states. [2024-05-08 03:43:32,337 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-05-08 03:43:32,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-08 03:43:32,529 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-08 03:43:32,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-08 03:43:32,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1049486981, now seen corresponding path program 12 times [2024-05-08 03:43:32,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-08 03:43:32,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977548381] [2024-05-08 03:43:32,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-08 03:43:32,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-08 03:43:33,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-08 03:45:33,597 INFO L134 CoverageAnalysis]: Checked inductivity of 6633 backedges. 0 proven. 6633 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-08 03:45:33,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-08 03:45:33,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977548381] [2024-05-08 03:45:33,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977548381] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-08 03:45:33,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961428874] [2024-05-08 03:45:33,598 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-08 03:45:33,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-08 03:45:33,598 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-08 03:45:33,600 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-08 03:45:33,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-08 03:45:34,413 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-05-08 03:45:34,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-08 03:45:34,435 INFO L262 TraceCheckSpWp]: Trace formula consists of 2350 conjuncts, 540 conjunts are in the unsatisfiable core [2024-05-08 03:45:34,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-08 03:45:39,819 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2024-05-08 03:45:42,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-08 03:45:43,206 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-05-08 03:47:27,815 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-08 03:47:27,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 35 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 155 treesize of output 751 [2024-05-08 03:52:48,105 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:48,287 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:48,465 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:48,616 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:48,753 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:48,906 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:49,163 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:49,388 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:49,528 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:49,722 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:49,865 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:49,995 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:50,137 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:50,277 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:50,453 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:50,611 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-08 03:52:50,744 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:50,889 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:50,988 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:51,068 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:51,266 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:51,451 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:51,642 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:51,874 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:52,050 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-08 03:52:52,234 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:52,391 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:52,533 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:52,692 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:52,864 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:53,003 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:53,224 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:53,390 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:53,555 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:53,642 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:53,788 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:53,959 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:54,147 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:54,280 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:54,529 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:54,694 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:54,854 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:54,970 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:55,100 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:55,241 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:52:55,364 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:55,440 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:55,552 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:55,628 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:55,793 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:56,025 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:56,171 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:56,382 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:56,494 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:56,641 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:56,780 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-08 03:52:56,942 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:57,153 WARN L667 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2024-05-08 03:52:57,350 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:57,593 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:57,726 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:52:57,842 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:58,066 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:58,229 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:58,383 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:52:58,509 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:58,665 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:52:58,791 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:59,031 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:59,173 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:59,330 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:59,500 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:52:59,596 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:52:59,747 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:52:59,890 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:00,114 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:53:00,285 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:00,766 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:01,093 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:01,486 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:01,900 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:02,240 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:53:02,803 WARN L667 sPolynomialRelations]: Constructing 2048(two to the power of 11 dual juncts. [2024-05-08 03:53:03,339 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:53:03,608 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:03,906 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:53:04,129 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:04,538 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:53:04,800 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:05,178 WARN L667 sPolynomialRelations]: Constructing 1024(two to the power of 10 dual juncts. [2024-05-08 03:53:05,561 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:05,786 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:06,046 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:06,363 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:06,630 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:06,949 WARN L667 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2024-05-08 03:53:07,168 WARN L667 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2024-05-08 03:53:07,503 WARN L667 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2024-05-08 03:53:07,642 WARN L249 Executor]: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-05-08 03:53:07,644 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2024-05-08 03:53:07,644 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 [2024-05-08 03:53:07,652 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-08 03:53:07,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-08 03:53:07,845 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:298) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 68 more [2024-05-08 03:53:07,848 INFO L158 Benchmark]: Toolchain (without parser) took 677916.25ms. Allocated memory was 167.8MB in the beginning and 4.5GB in the end (delta: 4.3GB). Free memory was 95.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2024-05-08 03:53:07,848 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-08 03:53:07,848 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.96ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 83.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-08 03:53:07,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.02ms. Allocated memory is still 167.8MB. Free memory was 83.2MB in the beginning and 80.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-05-08 03:53:07,848 INFO L158 Benchmark]: Boogie Preprocessor took 34.35ms. Allocated memory is still 167.8MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-08 03:53:07,849 INFO L158 Benchmark]: RCFGBuilder took 679.21ms. Allocated memory was 167.8MB in the beginning and 292.6MB in the end (delta: 124.8MB). Free memory was 78.1MB in the beginning and 236.6MB in the end (delta: -158.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. [2024-05-08 03:53:07,849 INFO L158 Benchmark]: TraceAbstraction took 676919.99ms. Allocated memory was 292.6MB in the beginning and 4.5GB in the end (delta: 4.2GB). Free memory was 235.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. [2024-05-08 03:53:07,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 167.8MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 221.96ms. Allocated memory is still 167.8MB. Free memory was 95.3MB in the beginning and 83.2MB in the end (delta: 12.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.02ms. Allocated memory is still 167.8MB. Free memory was 83.2MB in the beginning and 80.4MB in the end (delta: 2.8MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.35ms. Allocated memory is still 167.8MB. Free memory was 80.4MB in the beginning and 78.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 679.21ms. Allocated memory was 167.8MB in the beginning and 292.6MB in the end (delta: 124.8MB). Free memory was 78.1MB in the beginning and 236.6MB in the end (delta: -158.4MB). Peak memory consumption was 11.0MB. Max. memory is 8.0GB. * TraceAbstraction took 676919.99ms. Allocated memory was 292.6MB in the beginning and 4.5GB in the end (delta: 4.2GB). Free memory was 235.5MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 3.1GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-05-08 03:53:07,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 Received shutdown request...