/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 14:45:08,775 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 14:45:08,824 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 14:45:08,827 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 14:45:08,827 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 14:45:08,840 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 14:45:08,841 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 14:45:08,841 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 14:45:08,842 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 14:45:08,842 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 14:45:08,842 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 14:45:08,842 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 14:45:08,843 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 14:45:08,843 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 14:45:08,843 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 14:45:08,843 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 14:45:08,843 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 14:45:08,844 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 14:45:08,844 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 14:45:08,844 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 14:45:08,844 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 14:45:08,845 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 14:45:08,845 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 14:45:08,845 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 14:45:08,845 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 14:45:08,845 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 14:45:08,846 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 14:45:08,846 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 14:45:08,846 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 14:45:08,846 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 14:45:08,846 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 14:45:08,846 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 14:45:08,847 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 14:45:08,848 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-04-05 14:45:09,022 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 14:45:09,038 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 14:45:09,041 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 14:45:09,042 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 14:45:09,042 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 14:45:09,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-04-05 14:45:10,237 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 14:45:10,423 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 14:45:10,423 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2024-04-05 14:45:10,429 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a52607d19/b17123392686463bad48b66d3f90701a/FLAGdce82ddee [2024-04-05 14:45:10,457 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a52607d19/b17123392686463bad48b66d3f90701a [2024-04-05 14:45:10,459 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 14:45:10,460 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 14:45:10,461 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 14:45:10,461 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 14:45:10,465 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 14:45:10,465 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,466 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e4139d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10, skipping insertion in model container [2024-04-05 14:45:10,466 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 14:45:10,602 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2024-04-05 14:45:10,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 14:45:10,618 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 14:45:10,637 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c[2412,2425] [2024-04-05 14:45:10,640 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 14:45:10,652 INFO L206 MainTranslator]: Completed translation [2024-04-05 14:45:10,652 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10 WrapperNode [2024-04-05 14:45:10,652 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 14:45:10,653 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 14:45:10,653 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 14:45:10,653 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 14:45:10,658 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,665 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,692 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 280 [2024-04-05 14:45:10,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 14:45:10,693 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 14:45:10,693 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 14:45:10,693 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 14:45:10,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,705 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,705 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,719 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,741 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 14:45:10,742 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 14:45:10,742 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 14:45:10,742 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 14:45:10,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (1/1) ... [2024-04-05 14:45:10,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 14:45:10,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:45:10,800 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 14:45:10,834 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 14:45:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 14:45:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 14:45:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 14:45:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 14:45:10,872 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 14:45:10,872 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 14:45:10,873 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 14:45:10,873 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 14:45:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 14:45:10,874 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 14:45:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 14:45:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 14:45:10,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 14:45:10,875 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 14:45:10,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 14:45:10,878 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 14:45:10,999 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 14:45:11,002 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 14:45:11,364 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 14:45:11,391 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 14:45:11,391 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-05 14:45:11,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 02:45:11 BoogieIcfgContainer [2024-04-05 14:45:11,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 14:45:11,395 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 14:45:11,395 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 14:45:11,399 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 14:45:11,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 02:45:10" (1/3) ... [2024-04-05 14:45:11,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bea316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 02:45:11, skipping insertion in model container [2024-04-05 14:45:11,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 02:45:10" (2/3) ... [2024-04-05 14:45:11,401 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11bea316 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 02:45:11, skipping insertion in model container [2024-04-05 14:45:11,401 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 02:45:11" (3/3) ... [2024-04-05 14:45:11,403 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2024-04-05 14:45:11,410 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 14:45:11,418 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 14:45:11,419 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 14:45:11,420 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 14:45:11,516 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 14:45:11,558 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 14:45:11,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 14:45:11,559 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:45:11,561 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 14:45:11,571 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 14:45:11,591 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 14:45:11,601 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:45:11,602 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 14:45:11,608 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;@4543e395, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-05 14:45:11,609 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 14:45:42,032 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:45:42,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:45:42,035 INFO L85 PathProgramCache]: Analyzing trace with hash 2034589516, now seen corresponding path program 1 times [2024-04-05 14:45:42,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:45:42,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120494108] [2024-04-05 14:45:42,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:45:42,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:45:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:45:42,530 INFO L134 CoverageAnalysis]: Checked inductivity of 1145 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2024-04-05 14:45:42,530 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:45:42,530 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120494108] [2024-04-05 14:45:42,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120494108] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 14:45:42,531 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 14:45:42,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 14:45:42,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146803311] [2024-04-05 14:45:42,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 14:45:42,550 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 14:45:42,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:45:42,746 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 14:45:42,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 14:45:42,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:45:42,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:45:42,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 156.5) internal successors, (313), 2 states have internal predecessors, (313), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:45:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:45:51,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:45:51,405 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 14:45:51,405 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:45:51,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:45:51,406 INFO L85 PathProgramCache]: Analyzing trace with hash 1244225216, now seen corresponding path program 1 times [2024-04-05 14:45:51,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:45:51,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429789949] [2024-04-05 14:45:51,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:45:51,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:45:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:45:52,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1073 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1067 trivial. 0 not checked. [2024-04-05 14:45:52,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:45:52,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429789949] [2024-04-05 14:45:52,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429789949] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 14:45:52,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 14:45:52,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 14:45:52,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104705254] [2024-04-05 14:45:52,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 14:45:52,359 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 14:45:52,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:45:52,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 14:45:52,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 14:45:52,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:45:52,364 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:45:52,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 42.42857142857143) internal successors, (297), 7 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:45:52,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:45:52,365 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:00,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:00,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 14:46:00,473 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:46:00,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:46:00,474 INFO L85 PathProgramCache]: Analyzing trace with hash 357252943, now seen corresponding path program 1 times [2024-04-05 14:46:00,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:46:00,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576675087] [2024-04-05 14:46:00,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:46:00,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:46:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:46:01,063 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 287 proven. 2 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-04-05 14:46:01,065 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:46:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576675087] [2024-04-05 14:46:01,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576675087] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:46:01,065 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291609573] [2024-04-05 14:46:01,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:46:01,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:46:01,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:46:01,120 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:46:01,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 14:46:01,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:46:01,364 INFO L262 TraceCheckSpWp]: Trace formula consists of 1266 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 14:46:01,393 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:46:01,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-04-05 14:46:01,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:46:02,318 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 288 proven. 1 refuted. 0 times theorem prover too weak. 787 trivial. 0 not checked. [2024-04-05 14:46:02,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291609573] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:46:02,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:46:02,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-05 14:46:02,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221138935] [2024-04-05 14:46:02,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:46:02,324 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-05 14:46:02,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:46:02,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-05 14:46:02,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-05 14:46:02,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:02,327 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:46:02,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 24.833333333333332) internal successors, (596), 24 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:46:02,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:02,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:02,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:11,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:11,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:46:11,013 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-05 14:46:11,223 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 14:46:11,223 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:46:11,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:46:11,224 INFO L85 PathProgramCache]: Analyzing trace with hash 301323998, now seen corresponding path program 2 times [2024-04-05 14:46:11,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:46:11,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542496758] [2024-04-05 14:46:11,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:46:11,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:46:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:46:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 558 proven. 525 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 14:46:13,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:46:13,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542496758] [2024-04-05 14:46:13,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542496758] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:46:13,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2125021303] [2024-04-05 14:46:13,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 14:46:13,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:46:13,017 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:46:13,018 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:46:13,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 14:46:13,297 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 14:46:13,297 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:46:13,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 1308 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 14:46:13,309 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:46:13,953 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-04-05 14:46:13,953 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:46:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1103 backedges. 409 proven. 10 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-04-05 14:46:14,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2125021303] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:46:14,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:46:14,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 15, 15] total 53 [2024-04-05 14:46:14,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098022708] [2024-04-05 14:46:14,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:46:14,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-05 14:46:14,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:46:14,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-05 14:46:14,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=2469, Unknown=0, NotChecked=0, Total=2756 [2024-04-05 14:46:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:14,668 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:46:14,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 21.20754716981132) internal successors, (1124), 53 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:46:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:46:14,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:46:23,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:46:23,818 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-05 14:46:24,013 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:46:24,013 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:46:24,013 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:46:24,014 INFO L85 PathProgramCache]: Analyzing trace with hash 1663968621, now seen corresponding path program 3 times [2024-04-05 14:46:24,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:46:24,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [214490232] [2024-04-05 14:46:24,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:46:24,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:46:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:46:24,708 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 626 proven. 182 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-04-05 14:46:24,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:46:24,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [214490232] [2024-04-05 14:46:24,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [214490232] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:46:24,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383341346] [2024-04-05 14:46:24,709 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 14:46:24,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:46:24,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:46:24,710 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:46:24,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 14:46:25,111 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-05 14:46:25,111 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:46:25,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 14:46:25,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:46:26,096 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 634 proven. 174 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2024-04-05 14:46:26,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:46:26,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1154 backedges. 382 proven. 545 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-05 14:46:26,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383341346] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:46:26,946 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:46:26,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 18] total 37 [2024-04-05 14:46:26,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2020601403] [2024-04-05 14:46:26,947 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:46:26,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-05 14:46:26,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:46:26,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-05 14:46:26,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1121, Unknown=0, NotChecked=0, Total=1332 [2024-04-05 14:46:26,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:26,949 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:46:26,950 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 28.45945945945946) internal successors, (1053), 37 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:46:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:46:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:46:26,950 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:46:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:46:44,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:46:44,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 14:46:44,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:46:44,436 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:46:44,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:46:44,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1124129805, now seen corresponding path program 4 times [2024-04-05 14:46:44,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:46:44,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018633678] [2024-04-05 14:46:44,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:46:44,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:46:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:46:45,696 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1454 proven. 86 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-04-05 14:46:45,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:46:45,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018633678] [2024-04-05 14:46:45,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018633678] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:46:45,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [607526925] [2024-04-05 14:46:45,697 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 14:46:45,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:46:45,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:46:45,698 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:46:45,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 14:46:45,974 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 14:46:45,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:46:45,981 INFO L262 TraceCheckSpWp]: Trace formula consists of 1428 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-05 14:46:45,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:46:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-04-05 14:46:47,058 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:46:47,853 INFO L134 CoverageAnalysis]: Checked inductivity of 2127 backedges. 1513 proven. 27 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2024-04-05 14:46:47,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [607526925] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:46:47,853 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:46:47,853 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-05 14:46:47,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733481358] [2024-04-05 14:46:47,854 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:46:47,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-05 14:46:47,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:46:47,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-05 14:46:47,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2024-04-05 14:46:47,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:47,857 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:46:47,858 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 26.863636363636363) internal successors, (1182), 44 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:46:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:46:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:46:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:46:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:46:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:46:47,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:03,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:47:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:47:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:47:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:47:03,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:47:03,664 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-05 14:47:03,855 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-05 14:47:03,856 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:47:03,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:47:03,856 INFO L85 PathProgramCache]: Analyzing trace with hash -599270590, now seen corresponding path program 5 times [2024-04-05 14:47:03,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:47:03,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282172647] [2024-04-05 14:47:03,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:47:03,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:47:03,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:47:05,292 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 1789 proven. 198 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-04-05 14:47:05,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:47:05,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282172647] [2024-04-05 14:47:05,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282172647] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:47:05,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [445431962] [2024-04-05 14:47:05,293 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 14:47:05,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:47:05,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:47:05,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:47:05,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 14:47:06,723 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-05 14:47:06,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:47:06,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 1712 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 14:47:06,746 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:47:07,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 1007 proven. 889 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2024-04-05 14:47:07,999 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:47:08,592 INFO L134 CoverageAnalysis]: Checked inductivity of 2202 backedges. 1126 proven. 323 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2024-04-05 14:47:08,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [445431962] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:47:08,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:47:08,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 21, 10] total 53 [2024-04-05 14:47:08,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198294074] [2024-04-05 14:47:08,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:47:08,594 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 53 states [2024-04-05 14:47:08,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:47:08,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2024-04-05 14:47:08,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=2563, Unknown=0, NotChecked=0, Total=2756 [2024-04-05 14:47:08,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:08,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:47:08,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 53 states, 53 states have (on average 34.81132075471698) internal successors, (1845), 53 states have internal predecessors, (1845), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:47:08,598 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:47:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:47:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:47:40,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:47:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:47:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:47:40,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 14:47:40,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:47:40,875 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:47:40,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:47:40,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1731411671, now seen corresponding path program 6 times [2024-04-05 14:47:40,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:47:40,876 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195179824] [2024-04-05 14:47:40,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:47:40,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:47:41,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:47:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 2699 proven. 202 refuted. 0 times theorem prover too weak. 531 trivial. 0 not checked. [2024-04-05 14:47:42,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:47:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1195179824] [2024-04-05 14:47:42,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1195179824] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:47:42,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [294381875] [2024-04-05 14:47:42,805 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 14:47:42,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:47:42,805 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:47:42,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:47:42,831 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 14:47:43,917 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2024-04-05 14:47:43,917 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:47:43,929 INFO L262 TraceCheckSpWp]: Trace formula consists of 2029 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 14:47:43,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:47:46,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 923 proven. 2223 refuted. 0 times theorem prover too weak. 286 trivial. 0 not checked. [2024-04-05 14:47:46,230 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:47:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 3432 backedges. 1866 proven. 7 refuted. 0 times theorem prover too weak. 1559 trivial. 0 not checked. [2024-04-05 14:47:47,145 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [294381875] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:47:47,145 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:47:47,145 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 11] total 65 [2024-04-05 14:47:47,145 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815746309] [2024-04-05 14:47:47,145 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:47:47,147 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-04-05 14:47:47,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:47:47,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-04-05 14:47:47,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=264, Invalid=3896, Unknown=0, NotChecked=0, Total=4160 [2024-04-05 14:47:47,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:47,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:47:47,150 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 32.87692307692308) internal successors, (2137), 65 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:47:47,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:47:47,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:47:47,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:47:47,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:47:47,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:47:47,150 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:47:47,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:47:47,151 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:48:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:48:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:48:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:48:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:48:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:48:59,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:48:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:48:59,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 14:48:59,212 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 14:48:59,410 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-05 14:48:59,411 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:48:59,411 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:48:59,411 INFO L85 PathProgramCache]: Analyzing trace with hash 890547288, now seen corresponding path program 7 times [2024-04-05 14:48:59,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:48:59,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093487676] [2024-04-05 14:48:59,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:48:59,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:48:59,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:49:01,773 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 2879 proven. 272 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-04-05 14:49:01,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:49:01,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093487676] [2024-04-05 14:49:01,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093487676] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:49:01,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461738096] [2024-04-05 14:49:01,774 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 14:49:01,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:49:01,774 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:49:01,785 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:49:01,787 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 14:49:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:49:02,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 2071 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-05 14:49:02,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:49:04,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 3025 proven. 126 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-04-05 14:49:04,064 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:49:05,135 INFO L134 CoverageAnalysis]: Checked inductivity of 3495 backedges. 3025 proven. 126 refuted. 0 times theorem prover too weak. 344 trivial. 0 not checked. [2024-04-05 14:49:05,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461738096] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:49:05,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:49:05,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-04-05 14:49:05,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684597577] [2024-04-05 14:49:05,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:49:05,137 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-04-05 14:49:05,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:49:05,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-04-05 14:49:05,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=823, Invalid=4579, Unknown=0, NotChecked=0, Total=5402 [2024-04-05 14:49:05,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:49:05,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:49:05,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 26.5) internal successors, (1961), 74 states have internal predecessors, (1961), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-05 14:49:05,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 14:50:02,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 14:50:02,512 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 14:50:02,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:50:02,712 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:50:02,712 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:50:02,712 INFO L85 PathProgramCache]: Analyzing trace with hash -791804185, now seen corresponding path program 8 times [2024-04-05 14:50:02,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:50:02,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217383550] [2024-04-05 14:50:02,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:50:02,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:50:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:50:05,667 INFO L134 CoverageAnalysis]: Checked inductivity of 3642 backedges. 2761 proven. 530 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-05 14:50:05,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:50:05,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217383550] [2024-04-05 14:50:05,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [217383550] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:50:05,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855370029] [2024-04-05 14:50:05,667 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 14:50:05,667 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:50:05,668 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:50:05,677 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:50:05,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 14:50:06,062 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 14:50:06,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:50:06,069 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-05 14:50:06,080 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:50:08,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3642 backedges. 3116 proven. 175 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-05 14:50:08,439 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:50:10,089 INFO L134 CoverageAnalysis]: Checked inductivity of 3642 backedges. 3116 proven. 175 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2024-04-05 14:50:10,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855370029] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:50:10,090 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:50:10,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 35, 35] total 84 [2024-04-05 14:50:10,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642975909] [2024-04-05 14:50:10,090 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:50:10,092 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-04-05 14:50:10,092 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:50:10,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-04-05 14:50:10,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1042, Invalid=5930, Unknown=0, NotChecked=0, Total=6972 [2024-04-05 14:50:10,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:50:10,098 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:50:10,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 26.273809523809526) internal successors, (2207), 84 states have internal predecessors, (2207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:50:10,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-05 14:50:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 14:50:10,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 409 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-05 14:51:14,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 14:51:14,471 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-05 14:51:14,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 14:51:14,671 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 14:51:14,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 14:51:14,671 INFO L85 PathProgramCache]: Analyzing trace with hash 769529974, now seen corresponding path program 9 times [2024-04-05 14:51:14,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 14:51:14,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335790921] [2024-04-05 14:51:14,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 14:51:14,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 14:51:14,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 14:51:18,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 148 proven. 3113 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-04-05 14:51:18,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 14:51:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335790921] [2024-04-05 14:51:18,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335790921] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 14:51:18,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1421272352] [2024-04-05 14:51:18,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 14:51:18,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 14:51:18,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 14:51:18,017 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 14:51:18,018 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 14:51:20,893 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-05 14:51:20,894 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 14:51:20,908 INFO L262 TraceCheckSpWp]: Trace formula consists of 2113 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-05 14:51:20,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 14:51:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 104 proven. 3013 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2024-04-05 14:51:23,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 14:51:23,779 INFO L134 CoverageAnalysis]: Checked inductivity of 3813 backedges. 724 proven. 616 refuted. 0 times theorem prover too weak. 2473 trivial. 0 not checked. [2024-04-05 14:51:23,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1421272352] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 14:51:23,779 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 14:51:23,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 33, 11] total 73 [2024-04-05 14:51:23,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425751067] [2024-04-05 14:51:23,780 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 14:51:23,781 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-04-05 14:51:23,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 14:51:23,783 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-04-05 14:51:23,784 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=4957, Unknown=0, NotChecked=0, Total=5256 [2024-04-05 14:51:23,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:51:23,784 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 14:51:23,785 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 32.54794520547945) internal successors, (2376), 73 states have internal predecessors, (2376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 14:51:23,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 14:51:23,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 14:51:23,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 212 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 409 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 14:51:23,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.