/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 2 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-06 07:01:30,329 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-06 07:01:30,396 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-06 07:01:30,399 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-06 07:01:30,400 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-06 07:01:30,423 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-06 07:01:30,423 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-06 07:01:30,424 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-06 07:01:30,424 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-06 07:01:30,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-06 07:01:30,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-06 07:01:30,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-06 07:01:30,428 INFO L153 SettingsManager]: * Use SBE=true [2024-05-06 07:01:30,429 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-06 07:01:30,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-06 07:01:30,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-06 07:01:30,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-06 07:01:30,431 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-06 07:01:30,432 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-06 07:01:30,432 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-06 07:01:30,432 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-06 07:01:30,433 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-06 07:01:30,433 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-06 07:01:30,433 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 07:01:30,434 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-06 07:01:30,434 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-06 07:01:30,434 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-06 07:01:30,434 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-06 07:01:30,434 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-06 07:01:30,434 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-06 07:01:30,435 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-06 07:01:30,435 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-06 07:01:30,435 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-06 07:01:30,435 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 2 [2024-05-06 07:01:30,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-06 07:01:30,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-06 07:01:30,696 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-06 07:01:30,697 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-06 07:01:30,698 INFO L274 PluginConnector]: CDTParser initialized [2024-05-06 07:01:30,699 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2024-05-06 07:01:31,684 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-06 07:01:31,815 INFO L384 CDTParser]: Found 1 translation units. [2024-05-06 07:01:31,815 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c [2024-05-06 07:01:31,829 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e529a9198/6262c2c6f21f462a93664f0b0c38affb/FLAG3dfe2d055 [2024-05-06 07:01:31,838 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e529a9198/6262c2c6f21f462a93664f0b0c38affb [2024-05-06 07:01:31,840 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-06 07:01:31,841 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-06 07:01:31,842 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-06 07:01:31,842 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-06 07:01:31,845 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-06 07:01:31,846 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 07:01:31" (1/1) ... [2024-05-06 07:01:31,846 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f81c2af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:31, skipping insertion in model container [2024-05-06 07:01:31,846 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.05 07:01:31" (1/1) ... [2024-05-06 07:01:31,862 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-06 07:01:32,045 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2024-05-06 07:01:32,059 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 07:01:32,068 INFO L202 MainTranslator]: Completed pre-run [2024-05-06 07:01:32,119 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-chromosome-symm.wvr.c[2695,2708] [2024-05-06 07:01:32,127 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-06 07:01:32,139 INFO L206 MainTranslator]: Completed translation [2024-05-06 07:01:32,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32 WrapperNode [2024-05-06 07:01:32,140 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-06 07:01:32,141 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-06 07:01:32,141 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-06 07:01:32,141 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-06 07:01:32,145 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,159 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,190 INFO L138 Inliner]: procedures = 25, calls = 37, calls flagged for inlining = 15, calls inlined = 19, statements flattened = 199 [2024-05-06 07:01:32,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-06 07:01:32,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-06 07:01:32,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-06 07:01:32,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-06 07:01:32,197 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,211 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,216 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,218 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,229 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,231 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-06 07:01:32,231 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-06 07:01:32,231 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-06 07:01:32,232 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-06 07:01:32,232 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (1/1) ... [2024-05-06 07:01:32,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-06 07:01:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:01:32,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-06 07:01:32,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-06 07:01:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-06 07:01:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-06 07:01:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-06 07:01:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-06 07:01:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-06 07:01:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-06 07:01:32,327 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-06 07:01:32,327 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-06 07:01:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-06 07:01:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-06 07:01:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-06 07:01:32,328 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-06 07:01:32,328 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-06 07:01:32,330 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-06 07:01:32,424 INFO L241 CfgBuilder]: Building ICFG [2024-05-06 07:01:32,426 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-06 07:01:32,729 INFO L282 CfgBuilder]: Performing block encoding [2024-05-06 07:01:32,741 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-06 07:01:32,742 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-06 07:01:32,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 07:01:32 BoogieIcfgContainer [2024-05-06 07:01:32,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-06 07:01:32,746 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-06 07:01:32,746 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-06 07:01:32,748 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-06 07:01:32,748 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.05 07:01:31" (1/3) ... [2024-05-06 07:01:32,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79311027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 07:01:32, skipping insertion in model container [2024-05-06 07:01:32,749 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.05 07:01:32" (2/3) ... [2024-05-06 07:01:32,749 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79311027 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.05 07:01:32, skipping insertion in model container [2024-05-06 07:01:32,750 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.05 07:01:32" (3/3) ... [2024-05-06 07:01:32,751 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-chromosome-symm.wvr.c [2024-05-06 07:01:32,756 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-06 07:01:32,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-06 07:01:32,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-06 07:01:32,764 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-06 07:01:32,857 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-06 07:01:32,893 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-06 07:01:32,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-06 07:01:32,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:01:32,903 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-06 07:01:32,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-06 07:01:32,946 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-06 07:01:32,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:32,958 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-06 07:01:32,980 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;@6fa1f8c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=2, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-06 07:01:32,981 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-06 07:01:33,282 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:33,285 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:33,285 INFO L85 PathProgramCache]: Analyzing trace with hash 1830923232, now seen corresponding path program 1 times [2024-05-06 07:01:33,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:33,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171971851] [2024-05-06 07:01:33,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:33,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:33,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:33,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:01:33,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:01:33,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171971851] [2024-05-06 07:01:33,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171971851] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:01:33,605 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 07:01:33,605 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-06 07:01:33,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [416971033] [2024-05-06 07:01:33,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:01:33,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-06 07:01:33,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:01:33,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-06 07:01:33,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-06 07:01:33,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:33,640 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:01:33,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 92.5) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:01:33,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:33,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:33,779 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-06 07:01:33,779 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:33,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:33,781 INFO L85 PathProgramCache]: Analyzing trace with hash 844391816, now seen corresponding path program 1 times [2024-05-06 07:01:33,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:33,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1609081868] [2024-05-06 07:01:33,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:33,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:33,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:34,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-06 07:01:34,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:01:34,130 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1609081868] [2024-05-06 07:01:34,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1609081868] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:01:34,130 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 07:01:34,130 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-05-06 07:01:34,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337739244] [2024-05-06 07:01:34,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:01:34,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-05-06 07:01:34,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:01:34,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-06 07:01:34,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-06 07:01:34,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:34,136 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:01:34,136 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 34.8) internal successors, (174), 5 states have internal predecessors, (174), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:01:34,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:34,136 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:34,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:34,348 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-06 07:01:34,349 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:34,349 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:34,349 INFO L85 PathProgramCache]: Analyzing trace with hash -817534290, now seen corresponding path program 1 times [2024-05-06 07:01:34,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:34,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075000891] [2024-05-06 07:01:34,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:34,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:34,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 07:01:34,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:01:34,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075000891] [2024-05-06 07:01:34,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2075000891] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:01:34,584 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59053981] [2024-05-06 07:01:34,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:34,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:01:34,585 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:01:34,634 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:01:34,657 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-06 07:01:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:34,752 INFO L262 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 6 conjunts are in the unsatisfiable core [2024-05-06 07:01:34,760 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:01:34,882 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 07:01:34,883 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:01:34,970 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-06 07:01:34,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [59053981] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:01:34,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:01:34,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-05-06 07:01:34,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510463301] [2024-05-06 07:01:34,974 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:01:34,975 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-06 07:01:34,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:01:34,976 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-06 07:01:34,976 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2024-05-06 07:01:34,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:34,976 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:01:34,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.266666666666667) internal successors, (229), 15 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:01:34,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:34,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:34,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:35,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:35,296 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-06 07:01:35,476 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 [2024-05-06 07:01:35,477 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:35,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:35,477 INFO L85 PathProgramCache]: Analyzing trace with hash 311988474, now seen corresponding path program 2 times [2024-05-06 07:01:35,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:35,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1076250312] [2024-05-06 07:01:35,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:35,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:35,686 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-06 07:01:35,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:01:35,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1076250312] [2024-05-06 07:01:35,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1076250312] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:01:35,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122670366] [2024-05-06 07:01:35,687 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 07:01:35,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:01:35,687 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:01:35,688 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:01:35,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-06 07:01:35,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 07:01:35,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:01:35,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 435 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-06 07:01:35,910 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:01:36,105 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-06 07:01:36,106 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:01:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-06 07:01:36,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122670366] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:01:36,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:01:36,220 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-05-06 07:01:36,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403018749] [2024-05-06 07:01:36,220 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:01:36,221 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-05-06 07:01:36,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:01:36,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-05-06 07:01:36,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2024-05-06 07:01:36,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:36,222 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:01:36,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 11.863636363636363) internal successors, (261), 22 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:01:36,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:36,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:36,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:36,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:36,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:36,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:01:36,619 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-06 07:01:36,808 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 [2024-05-06 07:01:36,808 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:36,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:36,809 INFO L85 PathProgramCache]: Analyzing trace with hash 102926150, now seen corresponding path program 3 times [2024-05-06 07:01:36,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:36,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697788795] [2024-05-06 07:01:36,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:36,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:37,120 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:01:37,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:01:37,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697788795] [2024-05-06 07:01:37,121 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697788795] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:01:37,121 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-06 07:01:37,121 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-06 07:01:37,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298904603] [2024-05-06 07:01:37,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:01:37,121 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-06 07:01:37,122 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:01:37,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-06 07:01:37,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-05-06 07:01:37,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:37,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:01:37,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 27.142857142857142) internal successors, (190), 7 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:01:37,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:37,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:37,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:37,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:01:37,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:01:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:01:37,301 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-06 07:01:37,301 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:37,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:37,301 INFO L85 PathProgramCache]: Analyzing trace with hash 367578129, now seen corresponding path program 1 times [2024-05-06 07:01:37,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:37,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1759051556] [2024-05-06 07:01:37,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:37,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:40,168 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:01:40,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:01:40,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1759051556] [2024-05-06 07:01:40,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1759051556] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:01:40,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [936860617] [2024-05-06 07:01:40,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:40,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:01:40,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:01:40,170 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:01:40,176 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-06 07:01:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:01:40,317 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-06 07:01:40,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:01:40,885 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 07:01:40,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 62 [2024-05-06 07:01:41,752 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:01:41,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:01:43,176 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-05-06 07:01:43,176 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-06 07:01:43,211 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-05-06 07:01:43,211 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-05-06 07:01:43,289 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 2 proven. 34 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:01:43,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [936860617] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:01:43,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:01:43,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 25, 25] total 82 [2024-05-06 07:01:43,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548205846] [2024-05-06 07:01:43,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:01:43,291 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-05-06 07:01:43,291 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:01:43,292 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-05-06 07:01:43,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=6287, Unknown=0, NotChecked=0, Total=6642 [2024-05-06 07:01:43,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:43,293 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:01:43,293 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 6.365853658536586) internal successors, (522), 82 states have internal predecessors, (522), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:01:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:01:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:01:43,294 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:01:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:01:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:01:55,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:01:55,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:01:55,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:01:55,672 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-06 07:01:55,854 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:01:55,855 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:01:55,855 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:01:55,855 INFO L85 PathProgramCache]: Analyzing trace with hash -1015336420, now seen corresponding path program 2 times [2024-05-06 07:01:55,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:01:55,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519515305] [2024-05-06 07:01:55,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:01:55,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:01:55,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:02:00,751 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 134 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:02:00,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:02:00,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519515305] [2024-05-06 07:02:00,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519515305] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:02:00,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363946382] [2024-05-06 07:02:00,754 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-06 07:02:00,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:02:00,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:02:00,764 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:02:00,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-06 07:02:00,938 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-06 07:02:00,938 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:02:00,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 703 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-06 07:02:00,946 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:02:02,240 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 07:02:02,241 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 62 [2024-05-06 07:02:03,022 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 192 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-05-06 07:02:03,022 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:02:04,220 INFO L349 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2024-05-06 07:02:04,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 4 [2024-05-06 07:02:04,258 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-05-06 07:02:04,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-05-06 07:02:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 3 proven. 134 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:02:04,735 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363946382] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:02:04,735 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:02:04,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 38, 29] total 99 [2024-05-06 07:02:04,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675073876] [2024-05-06 07:02:04,736 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:02:04,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-05-06 07:02:04,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:02:04,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-05-06 07:02:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=408, Invalid=9294, Unknown=0, NotChecked=0, Total=9702 [2024-05-06 07:02:04,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:04,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:02:04,741 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 7.959595959595959) internal successors, (788), 99 states have internal predecessors, (788), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:02:04,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:02:39,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:02:39,717 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-06 07:02:39,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-06 07:02:39,918 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:02:39,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:02:39,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1142557629, now seen corresponding path program 3 times [2024-05-06 07:02:39,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:02:39,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368480778] [2024-05-06 07:02:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:02:39,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:02:40,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:02:40,394 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 707 proven. 129 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:02:40,395 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:02:40,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368480778] [2024-05-06 07:02:40,395 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368480778] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:02:40,395 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933330954] [2024-05-06 07:02:40,395 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-06 07:02:40,395 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:02:40,395 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:02:40,396 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:02:40,443 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-06 07:02:40,737 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-06 07:02:40,737 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:02:40,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-06 07:02:40,745 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:02:41,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:02:41,090 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 07:02:41,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933330954] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:02:41,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 07:02:41,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-05-06 07:02:41,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36037128] [2024-05-06 07:02:41,091 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:02:41,091 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-06 07:02:41,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:02:41,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-06 07:02:41,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-06 07:02:41,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:41,092 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:02:41,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:02:41,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:02:41,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:02:41,322 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-06 07:02:41,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:02:41,522 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:02:41,523 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:02:41,523 INFO L85 PathProgramCache]: Analyzing trace with hash 474499880, now seen corresponding path program 4 times [2024-05-06 07:02:41,523 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:02:41,523 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669359390] [2024-05-06 07:02:41,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:02:41,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:02:41,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:02:48,102 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 117 proven. 431 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-05-06 07:02:48,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:02:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669359390] [2024-05-06 07:02:48,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669359390] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:02:48,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [414129671] [2024-05-06 07:02:48,103 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-06 07:02:48,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:02:48,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:02:48,104 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-06 07:02:48,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-06 07:02:48,384 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-06 07:02:48,384 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:02:48,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 968 conjuncts, 135 conjunts are in the unsatisfiable core [2024-05-06 07:02:48,396 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:02:51,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-05-06 07:02:51,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 20 [2024-05-06 07:02:51,803 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 753 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2024-05-06 07:02:51,804 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:02:54,580 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-05-06 07:02:54,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 58 [2024-05-06 07:02:54,608 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-05-06 07:02:54,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 1 [2024-05-06 07:02:54,619 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-05-06 07:02:54,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 58 treesize of output 1 [2024-05-06 07:02:54,649 INFO L349 Elim1Store]: treesize reduction 76, result has 1.3 percent of original size [2024-05-06 07:02:54,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 1 [2024-05-06 07:02:55,165 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 266 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2024-05-06 07:02:55,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [414129671] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:02:55,166 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:02:55,166 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 66, 35] total 132 [2024-05-06 07:02:55,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364582625] [2024-05-06 07:02:55,166 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:02:55,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 132 states [2024-05-06 07:02:55,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:02:55,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2024-05-06 07:02:55,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=622, Invalid=16670, Unknown=0, NotChecked=0, Total=17292 [2024-05-06 07:02:55,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:55,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:02:55,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 132 states, 132 states have (on average 7.174242424242424) internal successors, (947), 132 states have internal predecessors, (947), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:02:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:02:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:02:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:02:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:02:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:02:55,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:02:55,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:02:55,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:02:55,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:22,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:03:22,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2024-05-06 07:03:22,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-06 07:03:22,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-05-06 07:03:22,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:03:22,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:03:22,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1875256706, now seen corresponding path program 5 times [2024-05-06 07:03:22,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:03:22,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757913691] [2024-05-06 07:03:22,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:03:22,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:03:22,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:03:22,899 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 574 proven. 262 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:03:22,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:03:22,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757913691] [2024-05-06 07:03:22,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757913691] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:03:22,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [476044229] [2024-05-06 07:03:22,900 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-06 07:03:22,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:03:22,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:03:22,901 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) [2024-05-06 07:03:22,905 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-06 07:03:23,228 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-06 07:03:23,228 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:03:23,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-06 07:03:23,237 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:03:23,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1006 backedges. 836 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:03:23,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-06 07:03:23,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [476044229] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-06 07:03:23,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-06 07:03:23,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-05-06 07:03:23,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446089898] [2024-05-06 07:03:23,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-06 07:03:23,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-06 07:03:23,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:03:23,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-06 07:03:23,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-06 07:03:23,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:23,586 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:03:23,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 40.0) internal successors, (520), 13 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2024-05-06 07:03:23,586 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:33,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 339 states. [2024-05-06 07:03:33,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:03:33,726 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-06 07:03:33,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:03:33,912 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-06 07:03:33,912 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-06 07:03:33,912 INFO L85 PathProgramCache]: Analyzing trace with hash 1711468723, now seen corresponding path program 6 times [2024-05-06 07:03:33,912 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-06 07:03:33,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594657108] [2024-05-06 07:03:33,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-06 07:03:33,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-06 07:03:33,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-06 07:03:38,585 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 133 proven. 486 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-05-06 07:03:38,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-06 07:03:38,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594657108] [2024-05-06 07:03:38,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594657108] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-06 07:03:38,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942484472] [2024-05-06 07:03:38,586 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-06 07:03:38,586 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-06 07:03:38,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-06 07:03:38,587 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) [2024-05-06 07:03:38,589 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-06 07:03:38,970 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-05-06 07:03:38,970 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-06 07:03:38,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 88 conjunts are in the unsatisfiable core [2024-05-06 07:03:38,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-06 07:03:41,151 INFO L349 Elim1Store]: treesize reduction 72, result has 50.3 percent of original size [2024-05-06 07:03:41,151 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 98 [2024-05-06 07:03:42,427 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 133 proven. 404 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:03:42,427 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-06 07:03:44,059 INFO L349 Elim1Store]: treesize reduction 28, result has 63.6 percent of original size [2024-05-06 07:03:44,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 40 treesize of output 56 [2024-05-06 07:03:45,392 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 329 proven. 208 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2024-05-06 07:03:45,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [942484472] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-06 07:03:45,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-06 07:03:45,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 49, 39] total 128 [2024-05-06 07:03:45,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015108816] [2024-05-06 07:03:45,392 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-06 07:03:45,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 128 states [2024-05-06 07:03:45,393 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-06 07:03:45,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2024-05-06 07:03:45,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=870, Invalid=15386, Unknown=0, NotChecked=0, Total=16256 [2024-05-06 07:03:45,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:45,401 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-06 07:03:45,401 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 128 states, 128 states have (on average 8.796875) internal successors, (1126), 128 states have internal predecessors, (1126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-06 07:03:45,401 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 320 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 339 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-06 07:03:45,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.