/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 03:41:04,727 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 03:41:04,808 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 03:41:04,812 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 03:41:04,813 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 03:41:04,841 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 03:41:04,842 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 03:41:04,842 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 03:41:04,843 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 03:41:04,846 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 03:41:04,847 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 03:41:04,847 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 03:41:04,847 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 03:41:04,849 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 03:41:04,849 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 03:41:04,850 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 03:41:04,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 03:41:04,850 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 03:41:04,850 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 03:41:04,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 03:41:04,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 03:41:04,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 03:41:04,851 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 03:41:04,852 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 03:41:04,852 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 03:41:04,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 03:41:04,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 03:41:04,853 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 03:41:04,853 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 03:41:04,853 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 03:41:04,854 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 03:41:04,854 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 03:41:04,855 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 03:41:04,855 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 03:41:04,855 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 03:41:04,855 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 03:41:04,855 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 03:41:04,855 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 03:41:04,856 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 03:41:04,856 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-05-05 03:41:05,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 03:41:05,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 03:41:05,125 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 03:41:05,126 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 03:41:05,127 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 03:41:05,128 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-05-05 03:41:06,295 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 03:41:06,479 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 03:41:06,480 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-difference-det.wvr.c [2024-05-05 03:41:06,488 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9750f4cd6/c19f21e5aa864c3b9ce731aaae72ed01/FLAGf679cbffb [2024-05-05 03:41:06,499 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9750f4cd6/c19f21e5aa864c3b9ce731aaae72ed01 [2024-05-05 03:41:06,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 03:41:06,502 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 03:41:06,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 03:41:06,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 03:41:06,510 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 03:41:06,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d23b8ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06, skipping insertion in model container [2024-05-05 03:41:06,511 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 03:41:06,702 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-difference-det.wvr.c[2507,2520] [2024-05-05 03:41:06,711 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 03:41:06,719 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 03:41:06,742 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-difference-det.wvr.c[2507,2520] [2024-05-05 03:41:06,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 03:41:06,750 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 03:41:06,751 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 03:41:06,757 INFO L206 MainTranslator]: Completed translation [2024-05-05 03:41:06,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06 WrapperNode [2024-05-05 03:41:06,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 03:41:06,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 03:41:06,759 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 03:41:06,759 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 03:41:06,765 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,772 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,823 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 123 [2024-05-05 03:41:06,824 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 03:41:06,824 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 03:41:06,824 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 03:41:06,824 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 03:41:06,833 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,833 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,835 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,840 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,857 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,858 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,860 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 03:41:06,881 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 03:41:06,882 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 03:41:06,882 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 03:41:06,883 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (1/1) ... [2024-05-05 03:41:06,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 03:41:06,901 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:06,917 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 03:41:06,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 03:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 03:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 03:41:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 03:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 03:41:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 03:41:06,971 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 03:41:06,971 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-05 03:41:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 03:41:06,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 03:41:06,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 03:41:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 03:41:06,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 03:41:06,974 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 03:41:07,059 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 03:41:07,060 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 03:41:07,240 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 03:41:07,307 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 03:41:07,307 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-05 03:41:07,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:41:07 BoogieIcfgContainer [2024-05-05 03:41:07,309 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 03:41:07,311 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 03:41:07,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 03:41:07,314 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 03:41:07,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 03:41:06" (1/3) ... [2024-05-05 03:41:07,315 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f7d7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:41:07, skipping insertion in model container [2024-05-05 03:41:07,315 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 03:41:06" (2/3) ... [2024-05-05 03:41:07,316 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33f7d7b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 03:41:07, skipping insertion in model container [2024-05-05 03:41:07,316 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 03:41:07" (3/3) ... [2024-05-05 03:41:07,317 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-difference-det.wvr.c [2024-05-05 03:41:07,324 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 03:41:07,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 03:41:07,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 03:41:07,333 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 03:41:07,420 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-05 03:41:07,458 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 03:41:07,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 03:41:07,459 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:07,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 03:41:07,461 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 03:41:07,508 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 03:41:07,519 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:07,521 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 03:41:07,528 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;@728eb607, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 03:41:07,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 03:41:09,697 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 2 more)] === [2024-05-05 03:41:09,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:09,700 INFO L85 PathProgramCache]: Analyzing trace with hash 2111144235, now seen corresponding path program 1 times [2024-05-05 03:41:09,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:09,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538756522] [2024-05-05 03:41:09,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:09,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:09,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:10,034 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-05-05 03:41:10,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:10,035 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538756522] [2024-05-05 03:41:10,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538756522] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 03:41:10,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 03:41:10,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 03:41:10,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256687705] [2024-05-05 03:41:10,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 03:41:10,046 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 03:41:10,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:10,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 03:41:10,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 03:41:10,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:10,220 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:10,221 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 54.0) internal successors, (108), 2 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:10,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:11,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:11,313 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 03:41:11,313 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 2 more)] === [2024-05-05 03:41:11,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:11,314 INFO L85 PathProgramCache]: Analyzing trace with hash -763146039, now seen corresponding path program 1 times [2024-05-05 03:41:11,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:11,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554020371] [2024-05-05 03:41:11,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:11,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:12,082 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 35 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-05 03:41:12,083 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:12,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554020371] [2024-05-05 03:41:12,083 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [554020371] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:12,083 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640699380] [2024-05-05 03:41:12,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:12,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:12,084 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:12,134 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:41:12,144 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 03:41:12,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:12,275 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-05 03:41:12,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:41:12,790 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-05-05 03:41:13,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640699380] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:13,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:13,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17, 8] total 27 [2024-05-05 03:41:13,068 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999466388] [2024-05-05 03:41:13,068 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:13,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-05 03:41:13,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:13,190 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-05 03:41:13,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=601, Unknown=0, NotChecked=0, Total=702 [2024-05-05 03:41:13,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:13,193 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:13,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 8.0) internal successors, (216), 27 states have internal predecessors, (216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:13,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:15,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:15,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:15,885 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 03:41:16,084 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,SelfDestructingSolverStorable1 [2024-05-05 03:41:16,085 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 2 more)] === [2024-05-05 03:41:16,086 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:16,086 INFO L85 PathProgramCache]: Analyzing trace with hash 423579114, now seen corresponding path program 2 times [2024-05-05 03:41:16,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:16,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459034329] [2024-05-05 03:41:16,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:16,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:16,542 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 131 proven. 87 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-05-05 03:41:16,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:16,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [459034329] [2024-05-05 03:41:16,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [459034329] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:16,543 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [56200987] [2024-05-05 03:41:16,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 03:41:16,543 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:16,543 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:16,545 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:41:16,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 03:41:16,674 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 03:41:16,674 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:41:16,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 433 conjuncts, 20 conjunts are in the unsatisfiable core [2024-05-05 03:41:16,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:17,187 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 131 proven. 168 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-05 03:41:17,187 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:17,537 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 131 proven. 24 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-05-05 03:41:17,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [56200987] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:17,537 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:17,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 21, 8] total 31 [2024-05-05 03:41:17,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774864902] [2024-05-05 03:41:17,538 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:17,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-05-05 03:41:17,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:17,674 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-05-05 03:41:17,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=811, Unknown=0, NotChecked=0, Total=930 [2024-05-05 03:41:17,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:17,675 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:17,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 8.387096774193548) internal successors, (260), 31 states have internal predecessors, (260), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:17,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:17,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:17,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:20,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:20,336 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 03:41:20,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:20,536 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 2 more)] === [2024-05-05 03:41:20,537 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:20,537 INFO L85 PathProgramCache]: Analyzing trace with hash 993185670, now seen corresponding path program 3 times [2024-05-05 03:41:20,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:20,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419459975] [2024-05-05 03:41:20,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:20,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:21,251 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 133 proven. 248 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2024-05-05 03:41:21,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419459975] [2024-05-05 03:41:21,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419459975] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:21,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [367598736] [2024-05-05 03:41:21,252 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 03:41:21,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:21,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:21,257 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:41:21,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 03:41:21,426 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2024-05-05 03:41:21,426 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:41:21,429 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-05 03:41:21,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:22,215 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 109 proven. 460 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 03:41:22,215 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:22,593 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 139 proven. 150 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2024-05-05 03:41:22,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [367598736] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:22,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:22,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 29, 10] total 41 [2024-05-05 03:41:22,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166371550] [2024-05-05 03:41:22,594 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:22,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-05-05 03:41:22,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:22,764 INFO L85 PathProgramCache]: Analyzing trace with hash -1181788580, now seen corresponding path program 1 times [2024-05-05 03:41:22,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:22,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:22,956 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-05-05 03:41:22,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:22,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 501 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 417 trivial. 0 not checked. [2024-05-05 03:41:23,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-05 03:41:23,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1725, Unknown=0, NotChecked=0, Total=1892 [2024-05-05 03:41:23,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:23,238 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:23,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 43 states have (on average 9.232558139534884) internal successors, (397), 44 states have internal predecessors, (397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:23,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:23,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:23,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:23,239 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:26,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:26,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-05 03:41:26,675 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-05 03:41:26,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3,SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:26,870 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 2 more)] === [2024-05-05 03:41:26,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:26,870 INFO L85 PathProgramCache]: Analyzing trace with hash 1778288111, now seen corresponding path program 4 times [2024-05-05 03:41:26,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:26,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1382556379] [2024-05-05 03:41:26,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:26,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:26,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 92 proven. 162 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2024-05-05 03:41:27,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:27,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1382556379] [2024-05-05 03:41:27,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1382556379] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:27,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [452654551] [2024-05-05 03:41:27,696 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 03:41:27,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:27,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:27,698 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) [2024-05-05 03:41:27,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 03:41:27,832 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 03:41:27,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:41:27,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 473 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-05 03:41:27,840 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:28,765 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 92 proven. 504 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 03:41:28,765 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 92 proven. 42 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2024-05-05 03:41:29,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [452654551] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:29,167 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:29,168 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 8] total 43 [2024-05-05 03:41:29,168 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031191338] [2024-05-05 03:41:29,168 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:29,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-05 03:41:29,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:29,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-05 03:41:29,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=1655, Unknown=0, NotChecked=0, Total=1806 [2024-05-05 03:41:29,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:29,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:29,319 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 7.395348837209302) internal successors, (318), 43 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-05 03:41:29,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:32,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:32,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:32,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:32,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-05 03:41:32,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-05 03:41:32,072 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-05-05 03:41:32,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2024-05-05 03:41:32,273 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 2 more)] === [2024-05-05 03:41:32,273 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:32,273 INFO L85 PathProgramCache]: Analyzing trace with hash 1428574036, now seen corresponding path program 5 times [2024-05-05 03:41:32,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:32,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626484514] [2024-05-05 03:41:32,273 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:32,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:33,339 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 218 refuted. 0 times theorem prover too weak. 456 trivial. 0 not checked. [2024-05-05 03:41:33,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:33,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626484514] [2024-05-05 03:41:33,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1626484514] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:33,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81055383] [2024-05-05 03:41:33,340 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 03:41:33,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:33,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:33,344 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:41:33,346 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 03:41:33,486 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 10 check-sat command(s) [2024-05-05 03:41:33,487 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:41:33,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 528 conjuncts, 77 conjunts are in the unsatisfiable core [2024-05-05 03:41:33,494 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:34,052 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2024-05-05 03:41:34,053 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 0 proven. 49 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-05-05 03:41:34,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81055383] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:34,320 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:34,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 9, 8] total 15 [2024-05-05 03:41:34,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500339252] [2024-05-05 03:41:34,320 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:34,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-05-05 03:41:34,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:34,871 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-05-05 03:41:34,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2024-05-05 03:41:34,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:34,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:34,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.4) internal successors, (231), 15 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:34,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:34,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-05 03:41:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-05 03:41:34,872 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2024-05-05 03:41:35,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2024-05-05 03:41:35,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-05 03:41:35,742 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 03:41:35,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:35,938 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 2 more)] === [2024-05-05 03:41:35,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:35,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1491761302, now seen corresponding path program 6 times [2024-05-05 03:41:35,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:35,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683273363] [2024-05-05 03:41:35,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:35,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:35,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:36,915 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 102 proven. 128 refuted. 0 times theorem prover too weak. 643 trivial. 0 not checked. [2024-05-05 03:41:36,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:36,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683273363] [2024-05-05 03:41:36,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683273363] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:36,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1709581656] [2024-05-05 03:41:36,916 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 03:41:36,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:36,917 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:36,922 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:41:36,925 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 03:41:37,097 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-05 03:41:37,098 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:41:37,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 560 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-05 03:41:37,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:38,460 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 57 proven. 816 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:41:38,460 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:38,953 INFO L134 CoverageAnalysis]: Checked inductivity of 873 backedges. 57 proven. 60 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2024-05-05 03:41:38,953 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1709581656] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:38,953 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:38,953 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 47, 10] total 63 [2024-05-05 03:41:38,954 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485443311] [2024-05-05 03:41:38,954 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:38,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2024-05-05 03:41:38,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:39,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2024-05-05 03:41:39,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=3630, Unknown=0, NotChecked=0, Total=3906 [2024-05-05 03:41:39,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:39,172 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:39,173 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 6.73015873015873) internal successors, (424), 63 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-05 03:41:39,173 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:41:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:41:46,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 03:41:46,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:41:46,157 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-05 03:41:46,350 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-05-05 03:41:46,350 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 2 more)] === [2024-05-05 03:41:46,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:41:46,351 INFO L85 PathProgramCache]: Analyzing trace with hash 242683822, now seen corresponding path program 7 times [2024-05-05 03:41:46,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:41:46,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [934217647] [2024-05-05 03:41:46,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:41:46,351 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:41:46,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:47,887 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 418 proven. 655 refuted. 0 times theorem prover too weak. 879 trivial. 0 not checked. [2024-05-05 03:41:47,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:41:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [934217647] [2024-05-05 03:41:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [934217647] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:41:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318675124] [2024-05-05 03:41:47,888 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 03:41:47,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:41:47,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:41:47,890 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:41:47,913 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 03:41:48,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:41:48,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 723 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-05 03:41:48,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:41:50,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 45 proven. 1907 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:41:50,174 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:41:50,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1952 backedges. 457 proven. 429 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2024-05-05 03:41:50,854 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318675124] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:41:50,854 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:41:50,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 57, 17] total 76 [2024-05-05 03:41:50,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878757626] [2024-05-05 03:41:50,855 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:41:50,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 76 states [2024-05-05 03:41:50,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:41:51,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2024-05-05 03:41:51,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=5371, Unknown=0, NotChecked=0, Total=5700 [2024-05-05 03:41:51,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:51,167 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:41:51,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 76 states, 76 states have (on average 6.828947368421052) internal successors, (519), 76 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:41:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:41:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:41:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:41:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:41:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:41:51,169 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 03:41:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:41:51,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:01,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:42:01,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:42:01,282 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 03:42:01,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:42:01,477 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 2 more)] === [2024-05-05 03:42:01,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:42:01,478 INFO L85 PathProgramCache]: Analyzing trace with hash 414489538, now seen corresponding path program 8 times [2024-05-05 03:42:01,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:42:01,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722465504] [2024-05-05 03:42:01,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:42:01,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:42:01,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:42:04,103 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 0 proven. 1637 refuted. 0 times theorem prover too weak. 1009 trivial. 0 not checked. [2024-05-05 03:42:04,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:42:04,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722465504] [2024-05-05 03:42:04,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722465504] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:42:04,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1576034191] [2024-05-05 03:42:04,104 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 03:42:04,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:42:04,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:42:04,105 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:42:04,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 03:42:04,293 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 03:42:04,293 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:42:04,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 141 conjunts are in the unsatisfiable core [2024-05-05 03:42:04,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:42:05,201 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 0 proven. 1339 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2024-05-05 03:42:05,202 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:42:05,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2646 backedges. 0 proven. 1127 refuted. 0 times theorem prover too weak. 1519 trivial. 0 not checked. [2024-05-05 03:42:05,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1576034191] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:42:05,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:42:05,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17, 10] total 25 [2024-05-05 03:42:05,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180884419] [2024-05-05 03:42:05,605 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:42:05,605 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-05 03:42:05,605 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:42:08,092 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-05 03:42:08,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=532, Unknown=0, NotChecked=0, Total=600 [2024-05-05 03:42:08,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:08,093 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:42:08,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 13.44) internal successors, (336), 25 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:42:08,093 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:14,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:42:14,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:42:14,204 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-05 03:42:14,398 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:42:14,399 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 2 more)] === [2024-05-05 03:42:14,399 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:42:14,400 INFO L85 PathProgramCache]: Analyzing trace with hash -936583230, now seen corresponding path program 9 times [2024-05-05 03:42:14,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:42:14,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774733619] [2024-05-05 03:42:14,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:42:14,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:42:14,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:42:16,740 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 915 proven. 1186 refuted. 0 times theorem prover too weak. 1076 trivial. 0 not checked. [2024-05-05 03:42:16,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:42:16,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774733619] [2024-05-05 03:42:16,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774733619] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:42:16,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803971991] [2024-05-05 03:42:16,741 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 03:42:16,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:42:16,741 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:42:16,742 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:42:16,744 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 03:42:16,957 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 21 check-sat command(s) [2024-05-05 03:42:16,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:42:16,961 INFO L262 TraceCheckSpWp]: Trace formula consists of 848 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-05 03:42:16,967 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:42:19,360 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 190 proven. 2987 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:42:19,360 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:42:20,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3177 backedges. 984 proven. 911 refuted. 0 times theorem prover too weak. 1282 trivial. 0 not checked. [2024-05-05 03:42:20,220 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803971991] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:42:20,220 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:42:20,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 67, 23] total 99 [2024-05-05 03:42:20,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953466129] [2024-05-05 03:42:20,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:42:20,222 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 99 states [2024-05-05 03:42:20,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:42:20,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2024-05-05 03:42:20,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=596, Invalid=9106, Unknown=0, NotChecked=0, Total=9702 [2024-05-05 03:42:20,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:20,670 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:42:20,670 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 99 states, 99 states have (on average 7.02020202020202) internal successors, (695), 99 states have internal predecessors, (695), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:42:20,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:20,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:42:20,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:42:20,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:42:20,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:42:20,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:42:20,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:42:20,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:42:20,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:42:20,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:35,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:42:35,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:42:35,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:42:35,902 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-05 03:42:36,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-05-05 03:42:36,097 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 2 more)] === [2024-05-05 03:42:36,097 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:42:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash -1321145896, now seen corresponding path program 10 times [2024-05-05 03:42:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:42:36,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537038741] [2024-05-05 03:42:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:42:36,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:42:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:42:39,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4142 backedges. 0 proven. 2908 refuted. 0 times theorem prover too weak. 1234 trivial. 0 not checked. [2024-05-05 03:42:39,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:42:39,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537038741] [2024-05-05 03:42:39,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537038741] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:42:39,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1231817205] [2024-05-05 03:42:39,575 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 03:42:39,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:42:39,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:42:39,577 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:42:39,580 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-05 03:42:39,799 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 03:42:39,799 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:42:39,806 INFO L262 TraceCheckSpWp]: Trace formula consists of 894 conjuncts, 137 conjunts are in the unsatisfiable core [2024-05-05 03:42:39,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:42:41,396 INFO L134 CoverageAnalysis]: Checked inductivity of 4142 backedges. 227 proven. 2599 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-05-05 03:42:41,397 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:42:44,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4142 backedges. 207 proven. 2622 refuted. 0 times theorem prover too weak. 1313 trivial. 0 not checked. [2024-05-05 03:42:44,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1231817205] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:42:44,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:42:44,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 31, 27] total 59 [2024-05-05 03:42:44,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767469009] [2024-05-05 03:42:44,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:42:44,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-05-05 03:42:44,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:42:45,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-05-05 03:42:45,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=377, Invalid=3045, Unknown=0, NotChecked=0, Total=3422 [2024-05-05 03:42:45,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:45,828 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:42:45,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 10.745762711864407) internal successors, (634), 59 states have internal predecessors, (634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:42:45,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:42:45,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:43:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:43:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:43:00,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:43:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:43:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:43:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:43:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:43:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:43:00,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:43:00,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-05-05 03:43:01,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:43:01,034 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 03:43:01,034 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:43:01,034 INFO L85 PathProgramCache]: Analyzing trace with hash -233335976, now seen corresponding path program 11 times [2024-05-05 03:43:01,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:43:01,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292418011] [2024-05-05 03:43:01,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:43:01,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:43:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:43:03,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4803 backedges. 1502 proven. 2008 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2024-05-05 03:43:03,946 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:43:03,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292418011] [2024-05-05 03:43:03,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292418011] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:43:03,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719336392] [2024-05-05 03:43:03,946 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 03:43:03,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:43:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:43:03,948 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:43:03,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-05 03:43:04,180 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 26 check-sat command(s) [2024-05-05 03:43:04,180 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:43:04,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 982 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-05 03:43:04,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:43:07,448 INFO L134 CoverageAnalysis]: Checked inductivity of 4803 backedges. 365 proven. 4438 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:43:07,448 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:43:08,439 INFO L134 CoverageAnalysis]: Checked inductivity of 4803 backedges. 1601 proven. 1684 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2024-05-05 03:43:08,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719336392] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:43:08,440 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:43:08,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 79, 31] total 119 [2024-05-05 03:43:08,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049441954] [2024-05-05 03:43:08,440 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:43:08,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 119 states [2024-05-05 03:43:08,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:43:09,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2024-05-05 03:43:09,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=803, Invalid=13239, Unknown=0, NotChecked=0, Total=14042 [2024-05-05 03:43:09,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:09,095 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:43:09,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 119 states, 119 states have (on average 7.016806722689076) internal successors, (835), 119 states have internal predecessors, (835), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:43:09,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:43:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:43:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:43:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:43:36,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:43:36,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:43:36,201 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-05 03:43:36,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-05-05 03:43:36,397 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 03:43:36,397 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:43:36,397 INFO L85 PathProgramCache]: Analyzing trace with hash -1774479634, now seen corresponding path program 12 times [2024-05-05 03:43:36,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:43:36,397 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1094854716] [2024-05-05 03:43:36,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:43:36,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:43:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:43:40,803 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 0 proven. 4499 refuted. 0 times theorem prover too weak. 1479 trivial. 0 not checked. [2024-05-05 03:43:40,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:43:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1094854716] [2024-05-05 03:43:40,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1094854716] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:43:40,803 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1862890976] [2024-05-05 03:43:40,804 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 03:43:40,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:43:40,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:43:40,813 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:43:40,815 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-05 03:43:41,120 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2024-05-05 03:43:41,120 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:43:41,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 1066 conjuncts, 194 conjunts are in the unsatisfiable core [2024-05-05 03:43:41,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:43:44,145 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 24 proven. 5443 refuted. 0 times theorem prover too weak. 511 trivial. 0 not checked. [2024-05-05 03:43:44,145 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:43:47,500 INFO L134 CoverageAnalysis]: Checked inductivity of 5978 backedges. 4 proven. 4202 refuted. 0 times theorem prover too weak. 1772 trivial. 0 not checked. [2024-05-05 03:43:47,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1862890976] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:43:47,501 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:43:47,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 63, 30] total 94 [2024-05-05 03:43:47,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319494432] [2024-05-05 03:43:47,501 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:43:47,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-05-05 03:43:47,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:43:49,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-05-05 03:43:49,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=646, Invalid=8096, Unknown=0, NotChecked=0, Total=8742 [2024-05-05 03:43:49,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:49,391 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:43:49,392 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 9.085106382978724) internal successors, (854), 94 states have internal predecessors, (854), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:43:49,392 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:44:19,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:44:19,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:44:19,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-05 03:44:20,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-05-05 03:44:20,029 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 03:44:20,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:44:20,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1104386578, now seen corresponding path program 13 times [2024-05-05 03:44:20,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:44:20,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735658908] [2024-05-05 03:44:20,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:44:20,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:44:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:44:24,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6769 backedges. 2209 proven. 3030 refuted. 0 times theorem prover too weak. 1530 trivial. 0 not checked. [2024-05-05 03:44:24,353 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:44:24,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735658908] [2024-05-05 03:44:24,353 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735658908] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:44:24,353 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1336723566] [2024-05-05 03:44:24,354 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 03:44:24,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:44:24,354 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:44:24,355 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:44:24,357 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-05 03:44:24,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:44:24,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 1116 conjuncts, 90 conjunts are in the unsatisfiable core [2024-05-05 03:44:24,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:44:28,783 INFO L134 CoverageAnalysis]: Checked inductivity of 6769 backedges. 600 proven. 6169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:44:28,784 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:44:30,149 INFO L134 CoverageAnalysis]: Checked inductivity of 6769 backedges. 2338 proven. 2657 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2024-05-05 03:44:30,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1336723566] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:44:30,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:44:30,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 91, 39] total 139 [2024-05-05 03:44:30,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385205516] [2024-05-05 03:44:30,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:44:30,151 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 139 states [2024-05-05 03:44:30,151 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:44:31,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2024-05-05 03:44:31,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1058, Invalid=18124, Unknown=0, NotChecked=0, Total=19182 [2024-05-05 03:44:31,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:44:31,120 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:44:31,120 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 139 states, 139 states have (on average 7.014388489208633) internal successors, (975), 139 states have internal predecessors, (975), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:44:31,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:44:31,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:44:31,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:44:31,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:45:18,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:45:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:45:18,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-05-05 03:45:18,108 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-05 03:45:18,300 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-05 03:45:18,301 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 03:45:18,301 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:45:18,301 INFO L85 PathProgramCache]: Analyzing trace with hash 649601796, now seen corresponding path program 14 times [2024-05-05 03:45:18,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:45:18,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716399992] [2024-05-05 03:45:18,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:45:18,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:45:18,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:45:24,994 INFO L134 CoverageAnalysis]: Checked inductivity of 8154 backedges. 0 proven. 6410 refuted. 0 times theorem prover too weak. 1744 trivial. 0 not checked. [2024-05-05 03:45:24,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:45:24,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1716399992] [2024-05-05 03:45:24,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1716399992] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:45:24,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761556112] [2024-05-05 03:45:24,995 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 03:45:24,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:45:24,995 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:45:24,997 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:45:24,999 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-05 03:45:25,251 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 03:45:25,251 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:45:25,260 INFO L262 TraceCheckSpWp]: Trace formula consists of 1200 conjuncts, 228 conjunts are in the unsatisfiable core [2024-05-05 03:45:25,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:45:29,362 INFO L134 CoverageAnalysis]: Checked inductivity of 8154 backedges. 24 proven. 7751 refuted. 0 times theorem prover too weak. 379 trivial. 0 not checked. [2024-05-05 03:45:29,362 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:45:33,085 INFO L134 CoverageAnalysis]: Checked inductivity of 8154 backedges. 4 proven. 6102 refuted. 0 times theorem prover too weak. 2048 trivial. 0 not checked. [2024-05-05 03:45:33,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761556112] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:45:33,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:45:33,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 79, 36] total 116 [2024-05-05 03:45:33,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182804900] [2024-05-05 03:45:33,086 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:45:33,087 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 116 states [2024-05-05 03:45:33,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:45:35,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2024-05-05 03:45:35,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=882, Invalid=12458, Unknown=0, NotChecked=0, Total=13340 [2024-05-05 03:45:35,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:45:35,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:45:35,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 116 states, 116 states have (on average 8.827586206896552) internal successors, (1024), 116 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:45:35,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:45:35,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:45:35,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:45:35,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-05-05 03:45:35,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:46:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:46:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:46:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:46:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:46:33,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:46:33,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:46:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:46:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-05-05 03:46:33,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-05 03:46:33,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-05 03:46:33,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-05 03:46:33,770 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 03:46:33,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:46:33,770 INFO L85 PathProgramCache]: Analyzing trace with hash -413214844, now seen corresponding path program 15 times [2024-05-05 03:46:33,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:46:33,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203427615] [2024-05-05 03:46:33,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:46:33,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:46:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:46:41,550 INFO L134 CoverageAnalysis]: Checked inductivity of 9075 backedges. 3036 proven. 4252 refuted. 0 times theorem prover too weak. 1787 trivial. 0 not checked. [2024-05-05 03:46:41,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:46:41,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203427615] [2024-05-05 03:46:41,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203427615] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:46:41,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821859113] [2024-05-05 03:46:41,551 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 03:46:41,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:46:41,551 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:46:41,552 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:46:41,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-05 03:46:41,915 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 30 check-sat command(s) [2024-05-05 03:46:41,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:46:41,924 INFO L262 TraceCheckSpWp]: Trace formula consists of 1250 conjuncts, 102 conjunts are in the unsatisfiable core [2024-05-05 03:46:41,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:46:47,332 INFO L134 CoverageAnalysis]: Checked inductivity of 9075 backedges. 895 proven. 8180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 03:46:47,332 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:46:49,078 INFO L134 CoverageAnalysis]: Checked inductivity of 9075 backedges. 3195 proven. 3830 refuted. 0 times theorem prover too weak. 2050 trivial. 0 not checked. [2024-05-05 03:46:49,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821859113] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:46:49,079 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:46:49,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 103, 47] total 159 [2024-05-05 03:46:49,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011314349] [2024-05-05 03:46:49,079 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:46:49,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 159 states [2024-05-05 03:46:49,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:46:50,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2024-05-05 03:46:50,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1361, Invalid=23761, Unknown=0, NotChecked=0, Total=25122 [2024-05-05 03:46:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:46:50,304 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:46:50,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 159 states, 159 states have (on average 7.012578616352202) internal successors, (1115), 159 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:46:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:46:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:46:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:46:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:46:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:46:50,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-05 03:46:50,306 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:48:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:48:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:48:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:48:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:48:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:48:14,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-05 03:48:14,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 307 states. [2024-05-05 03:48:14,711 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-05 03:48:14,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-05 03:48:14,906 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-05-05 03:48:14,906 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 03:48:14,906 INFO L85 PathProgramCache]: Analyzing trace with hash 646581786, now seen corresponding path program 16 times [2024-05-05 03:48:14,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 03:48:14,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717806492] [2024-05-05 03:48:14,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 03:48:14,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 03:48:15,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 03:48:23,823 INFO L134 CoverageAnalysis]: Checked inductivity of 10670 backedges. 0 proven. 8641 refuted. 0 times theorem prover too weak. 2029 trivial. 0 not checked. [2024-05-05 03:48:23,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 03:48:23,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717806492] [2024-05-05 03:48:23,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717806492] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 03:48:23,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476284254] [2024-05-05 03:48:23,824 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 03:48:23,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 03:48:23,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 03:48:23,825 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 03:48:23,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-05 03:48:24,085 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 03:48:24,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 03:48:24,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 1296 conjuncts, 215 conjunts are in the unsatisfiable core [2024-05-05 03:48:24,104 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 03:48:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 10670 backedges. 278 proven. 8299 refuted. 0 times theorem prover too weak. 2093 trivial. 0 not checked. [2024-05-05 03:48:26,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 03:48:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 10670 backedges. 258 proven. 8322 refuted. 0 times theorem prover too weak. 2090 trivial. 0 not checked. [2024-05-05 03:48:30,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476284254] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 03:48:30,646 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 03:48:30,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 55, 45] total 101 [2024-05-05 03:48:30,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002078619] [2024-05-05 03:48:30,646 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 03:48:30,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2024-05-05 03:48:30,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 03:48:33,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2024-05-05 03:48:33,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=785, Invalid=9315, Unknown=0, NotChecked=0, Total=10100 [2024-05-05 03:48:33,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:48:33,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 03:48:33,490 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 10.138613861386139) internal successors, (1024), 101 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 03:48:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 03:48:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-05-05 03:48:33,490 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-05-05 03:48:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2024-05-05 03:48:33,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 99 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 161 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 158 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 199 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-05-05 03:48:33,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 235 states. [2024-05-05 03:48:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2024-05-05 03:48:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-05-05 03:48:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-05 03:48:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 307 states. [2024-05-05 03:48:33,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.