/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 LOOP -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 10:54:36,904 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 10:54:36,963 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 10:54:36,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 10:54:36,968 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 10:54:36,993 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 10:54:36,994 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 10:54:36,994 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 10:54:36,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 10:54:36,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 10:54:36,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 10:54:36,998 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 10:54:36,998 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 10:54:36,999 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 10:54:37,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 10:54:37,004 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 10:54:37,004 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 10:54:37,004 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 10:54:37,004 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 10:54:37,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 10:54:37,005 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 10:54:37,005 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 10:54:37,005 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 10:54:37,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 10:54:37,006 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 10:54:37,006 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 10:54:37,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 10:54:37,006 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 10:54:37,006 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 10:54:37,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 10:54:37,007 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 10:54:37,007 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 10:54:37,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 10:54:37,007 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP [2024-05-05 10:54:37,221 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 10:54:37,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 10:54:37,238 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 10:54:37,239 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 10:54:37,240 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 10:54:37,241 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-05-05 10:54:38,254 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 10:54:38,382 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 10:54:38,382 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-counter-determinism.wvr.c [2024-05-05 10:54:38,387 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aff663673/1f1c47536c464c5fb786e5f50420478f/FLAG9a0341ce5 [2024-05-05 10:54:38,396 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aff663673/1f1c47536c464c5fb786e5f50420478f [2024-05-05 10:54:38,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 10:54:38,399 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 10:54:38,400 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 10:54:38,400 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 10:54:38,403 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 10:54:38,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53745cad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38, skipping insertion in model container [2024-05-05 10:54:38,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 10:54:38,530 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-counter-determinism.wvr.c[2476,2489] [2024-05-05 10:54:38,533 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 10:54:38,539 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 10:54:38,555 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-counter-determinism.wvr.c[2476,2489] [2024-05-05 10:54:38,556 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 10:54:38,562 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 10:54:38,562 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 10:54:38,567 INFO L206 MainTranslator]: Completed translation [2024-05-05 10:54:38,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38 WrapperNode [2024-05-05 10:54:38,568 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 10:54:38,569 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 10:54:38,569 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 10:54:38,569 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 10:54:38,573 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,578 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,594 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 118 [2024-05-05 10:54:38,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 10:54:38,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 10:54:38,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 10:54:38,595 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 10:54:38,604 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,604 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,612 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 10:54:38,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 10:54:38,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 10:54:38,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 10:54:38,616 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (1/1) ... [2024-05-05 10:54:38,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 10:54:38,636 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:54:38,648 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 10:54:38,656 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 10:54:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 10:54:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 10:54:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 10:54:38,680 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 10:54:38,680 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 10:54:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-05-05 10:54:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 10:54:38,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 10:54:38,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 10:54:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 10:54:38,682 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 10:54:38,683 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 10:54:38,758 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 10:54:38,760 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 10:54:38,945 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 10:54:38,992 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 10:54:38,992 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-05 10:54:38,993 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:54:38 BoogieIcfgContainer [2024-05-05 10:54:38,993 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 10:54:38,995 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 10:54:38,995 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 10:54:38,997 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 10:54:38,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 10:54:38" (1/3) ... [2024-05-05 10:54:38,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ec2767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:54:38, skipping insertion in model container [2024-05-05 10:54:38,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 10:54:38" (2/3) ... [2024-05-05 10:54:38,998 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17ec2767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 10:54:38, skipping insertion in model container [2024-05-05 10:54:38,998 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 10:54:38" (3/3) ... [2024-05-05 10:54:38,999 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-counter-determinism.wvr.c [2024-05-05 10:54:39,008 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 10:54:39,015 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 10:54:39,015 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 10:54:39,015 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 10:54:39,062 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-05-05 10:54:39,099 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 10:54:39,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 10:54:39,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:54:39,102 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 10:54:39,115 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 10:54:39,131 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 10:54:39,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:54:39,144 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 10:54:39,149 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;@29608ca, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 10:54:39,149 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-05-05 10:54:40,694 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 10:54:40,697 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:54:40,698 INFO L85 PathProgramCache]: Analyzing trace with hash 326408110, now seen corresponding path program 1 times [2024-05-05 10:54:40,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:54:40,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970224189] [2024-05-05 10:54:40,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:54:40,705 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:54:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:54:41,085 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 10:54:41,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:54:41,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970224189] [2024-05-05 10:54:41,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970224189] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:54:41,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 10:54:41,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 10:54:41,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064388953] [2024-05-05 10:54:41,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:54:41,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 10:54:41,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:54:41,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 10:54:41,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 10:54:41,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:41,209 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:54:41,210 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 51.5) internal successors, (103), 2 states have internal predecessors, (103), 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 10:54:41,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:41,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:41,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 10:54:41,985 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 10:54:41,985 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:54:41,985 INFO L85 PathProgramCache]: Analyzing trace with hash 980397473, now seen corresponding path program 1 times [2024-05-05 10:54:41,986 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:54:41,986 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190060542] [2024-05-05 10:54:41,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:54:41,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:54:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:54:42,456 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 35 proven. 7 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-05-05 10:54:42,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:54:42,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190060542] [2024-05-05 10:54:42,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190060542] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:54:42,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253246280] [2024-05-05 10:54:42,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:54:42,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:54:42,458 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:54:42,506 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 10:54:42,518 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 10:54:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:54:42,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-05 10:54:42,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:54:42,888 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-05 10:54:42,888 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:54:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-05 10:54:43,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253246280] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:54:43,020 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:54:43,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 21 [2024-05-05 10:54:43,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559641425] [2024-05-05 10:54:43,021 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:54:43,024 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-05-05 10:54:43,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:54:43,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-05-05 10:54:43,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2024-05-05 10:54:43,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:43,091 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:54:43,091 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 9.904761904761905) internal successors, (208), 21 states have internal predecessors, (208), 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 10:54:43,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:43,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:45,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:54:45,670 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 10:54:45,869 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 10:54:45,870 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 10:54:45,871 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:54:45,871 INFO L85 PathProgramCache]: Analyzing trace with hash 820020630, now seen corresponding path program 2 times [2024-05-05 10:54:45,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:54:45,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760795993] [2024-05-05 10:54:45,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:54:45,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:54:45,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:54:46,611 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 20 proven. 82 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-05 10:54:46,612 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:54:46,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760795993] [2024-05-05 10:54:46,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760795993] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:54:46,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590099398] [2024-05-05 10:54:46,612 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 10:54:46,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:54:46,612 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:54:46,614 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 10:54:46,643 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 10:54:46,717 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 10:54:46,718 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:54:46,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-05 10:54:46,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:54:47,154 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 44 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-05 10:54:47,154 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:54:47,341 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-05-05 10:54:47,341 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590099398] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:54:47,341 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:54:47,341 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 13, 8] total 43 [2024-05-05 10:54:47,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2042370601] [2024-05-05 10:54:47,342 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:54:47,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2024-05-05 10:54:47,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:54:47,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2024-05-05 10:54:47,428 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1650, Unknown=0, NotChecked=0, Total=1806 [2024-05-05 10:54:47,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:47,428 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:54:47,428 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 43 states have (on average 6.488372093023256) internal successors, (279), 43 states have internal predecessors, (279), 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 10:54:47,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:47,428 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:54:47,429 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:54,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:54:54,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:54:54,900 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 10:54:55,098 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 10:54:55,099 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 10:54:55,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:54:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash -2027470836, now seen corresponding path program 3 times [2024-05-05 10:54:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:54:55,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674042955] [2024-05-05 10:54:55,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:54:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:54:55,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:54:55,789 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 306 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-05-05 10:54:55,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:54:55,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674042955] [2024-05-05 10:54:55,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674042955] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:54:55,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595095160] [2024-05-05 10:54:55,790 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 10:54:55,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:54:55,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:54:55,791 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 10:54:55,824 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 10:54:55,936 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-05-05 10:54:55,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:54:55,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-05 10:54:55,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:54:56,657 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 376 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-05-05 10:54:56,657 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:54:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 43 proven. 252 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2024-05-05 10:54:56,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595095160] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:54:56,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:54:56,964 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 29, 13] total 44 [2024-05-05 10:54:56,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007107347] [2024-05-05 10:54:56,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:54:56,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-05-05 10:54:56,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:54:57,098 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-05-05 10:54:57,098 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1720, Unknown=0, NotChecked=0, Total=1892 [2024-05-05 10:54:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:57,099 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:54:57,099 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 7.636363636363637) internal successors, (336), 44 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 10:54:57,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:57,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:54:57,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:54:57,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:54:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:54:59,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:54:59,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-05 10:54:59,461 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 10:54:59,660 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:54:59,661 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 10:54:59,661 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:54:59,661 INFO L85 PathProgramCache]: Analyzing trace with hash 1897084805, now seen corresponding path program 4 times [2024-05-05 10:54:59,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:54:59,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1708370051] [2024-05-05 10:54:59,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:54:59,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:54:59,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:54:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 13 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2024-05-05 10:54:59,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:54:59,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1708370051] [2024-05-05 10:54:59,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1708370051] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:54:59,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [662187675] [2024-05-05 10:54:59,892 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 10:54:59,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:54:59,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:54:59,895 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 10:54:59,897 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 10:55:00,004 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 10:55:00,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:55:00,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 460 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-05 10:55:00,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:55:00,143 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-05-05 10:55:00,143 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-05 10:55:00,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [662187675] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 10:55:00,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-05 10:55:00,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 5 [2024-05-05 10:55:00,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051664107] [2024-05-05 10:55:00,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 10:55:00,144 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-05-05 10:55:00,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:55:00,210 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-05-05 10:55:00,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2024-05-05 10:55:00,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:00,210 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:55:00,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 28.5) internal successors, (114), 4 states have internal predecessors, (114), 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 10:55:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-05 10:55:00,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2024-05-05 10:55:00,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:00,386 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 10:55:00,584 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:00,584 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 10:55:00,584 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:55:00,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1120862621, now seen corresponding path program 5 times [2024-05-05 10:55:00,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:55:00,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129927271] [2024-05-05 10:55:00,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:55:00,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:55:00,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:55:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 43 proven. 99 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2024-05-05 10:55:00,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:55:00,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129927271] [2024-05-05 10:55:00,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129927271] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:55:00,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1382455331] [2024-05-05 10:55:00,993 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 10:55:00,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:00,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:55:00,994 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 10:55:01,012 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 10:55:01,107 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-05-05 10:55:01,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:55:01,113 INFO L262 TraceCheckSpWp]: Trace formula consists of 478 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-05 10:55:01,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:55:01,913 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:55:01,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:55:02,184 INFO L134 CoverageAnalysis]: Checked inductivity of 484 backedges. 8 proven. 35 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2024-05-05 10:55:02,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1382455331] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:55:02,185 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:55:02,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 33, 8] total 48 [2024-05-05 10:55:02,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425329228] [2024-05-05 10:55:02,185 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:55:02,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-05-05 10:55:02,186 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:55:02,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-05-05 10:55:02,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=178, Invalid=2078, Unknown=0, NotChecked=0, Total=2256 [2024-05-05 10:55:02,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:02,426 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:55:02,427 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 7.291666666666667) internal successors, (350), 48 states have internal predecessors, (350), 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 10:55:02,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:02,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:02,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:02,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2024-05-05 10:55:02,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:02,427 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:13,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2024-05-05 10:55:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:13,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-05 10:55:13,830 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-05 10:55:14,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:14,024 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 10:55:14,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:55:14,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1025755341, now seen corresponding path program 6 times [2024-05-05 10:55:14,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:55:14,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [848791651] [2024-05-05 10:55:14,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:55:14,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:55:14,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:55:14,549 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 421 proven. 368 refuted. 0 times theorem prover too weak. 721 trivial. 0 not checked. [2024-05-05 10:55:14,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:55:14,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [848791651] [2024-05-05 10:55:14,553 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [848791651] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:55:14,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [524629030] [2024-05-05 10:55:14,553 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 10:55:14,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:14,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:55:14,566 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 10:55:14,569 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 10:55:14,730 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2024-05-05 10:55:14,730 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:55:14,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 659 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-05 10:55:14,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:55:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 1387 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-05 10:55:16,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:55:16,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1510 backedges. 113 proven. 422 refuted. 0 times theorem prover too weak. 975 trivial. 0 not checked. [2024-05-05 10:55:16,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [524629030] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:55:16,608 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:55:16,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 51, 12] total 65 [2024-05-05 10:55:16,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006320931] [2024-05-05 10:55:16,609 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:55:16,609 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-05-05 10:55:16,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:55:16,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-05-05 10:55:16,847 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=312, Invalid=3848, Unknown=0, NotChecked=0, Total=4160 [2024-05-05 10:55:16,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:16,847 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:55:16,847 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 7.953846153846154) internal successors, (517), 65 states have internal predecessors, (517), 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 10:55:16,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:16,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:16,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:16,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2024-05-05 10:55:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-05 10:55:16,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:27,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:55:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:55:27,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 10:55:27,938 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 10:55:28,133 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,SelfDestructingSolverStorable6 [2024-05-05 10:55:28,134 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 10:55:28,134 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:55:28,134 INFO L85 PathProgramCache]: Analyzing trace with hash 1913009366, now seen corresponding path program 7 times [2024-05-05 10:55:28,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:55:28,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469111723] [2024-05-05 10:55:28,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:55:28,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:55:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:55:29,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 1 proven. 587 refuted. 0 times theorem prover too weak. 1288 trivial. 0 not checked. [2024-05-05 10:55:29,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:55:29,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469111723] [2024-05-05 10:55:29,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469111723] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:55:29,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814515949] [2024-05-05 10:55:29,525 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 10:55:29,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:29,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:55:29,526 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 10:55:29,527 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 10:55:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:55:29,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 708 conjuncts, 93 conjunts are in the unsatisfiable core [2024-05-05 10:55:29,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:55:30,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 173 proven. 387 refuted. 0 times theorem prover too weak. 1316 trivial. 0 not checked. [2024-05-05 10:55:30,575 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:55:32,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1876 backedges. 84 proven. 481 refuted. 0 times theorem prover too weak. 1311 trivial. 0 not checked. [2024-05-05 10:55:32,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814515949] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:55:32,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:55:32,311 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 15] total 32 [2024-05-05 10:55:32,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704845150] [2024-05-05 10:55:32,311 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:55:32,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-05-05 10:55:32,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:55:32,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-05-05 10:55:32,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=800, Unknown=0, NotChecked=0, Total=992 [2024-05-05 10:55:32,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:32,846 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:55:32,846 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 11.40625) internal successors, (365), 32 states have internal predecessors, (365), 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 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 10:55:32,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:36,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 10:55:36,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:55:36,450 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 10:55:36,650 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:36,652 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 10:55:36,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:55:36,652 INFO L85 PathProgramCache]: Analyzing trace with hash -1637310004, now seen corresponding path program 8 times [2024-05-05 10:55:36,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:55:36,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968337800] [2024-05-05 10:55:36,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:55:36,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:55:36,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:55:37,835 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 323 proven. 479 refuted. 0 times theorem prover too weak. 1287 trivial. 0 not checked. [2024-05-05 10:55:37,835 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:55:37,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968337800] [2024-05-05 10:55:37,835 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968337800] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:55:37,835 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [124641342] [2024-05-05 10:55:37,835 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 10:55:37,835 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:55:37,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:55:37,836 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 10:55:37,839 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 10:55:37,975 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 10:55:37,975 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:55:37,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 60 conjunts are in the unsatisfiable core [2024-05-05 10:55:37,981 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:55:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 37 proven. 2052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:55:39,813 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:55:40,422 INFO L134 CoverageAnalysis]: Checked inductivity of 2089 backedges. 329 proven. 368 refuted. 0 times theorem prover too weak. 1392 trivial. 0 not checked. [2024-05-05 10:55:40,422 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [124641342] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:55:40,422 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:55:40,422 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 61, 14] total 77 [2024-05-05 10:55:40,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567736268] [2024-05-05 10:55:40,422 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:55:40,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2024-05-05 10:55:40,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:55:40,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2024-05-05 10:55:40,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=324, Invalid=5528, Unknown=0, NotChecked=0, Total=5852 [2024-05-05 10:55:40,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:40,749 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:55:40,749 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 6.675324675324675) internal successors, (514), 77 states have internal predecessors, (514), 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 10:55:40,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:55:40,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:55:40,749 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:55:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:55:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:55:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:55:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 10:55:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 10:55:40,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:56:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:56:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:56:01,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:56:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:56:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:56:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:56:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:56:01,687 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 10:56:01,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:56:01,887 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 10:56:01,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:56:01,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1114499695, now seen corresponding path program 9 times [2024-05-05 10:56:01,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:56:01,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003648039] [2024-05-05 10:56:01,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:56:01,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:56:01,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:56:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 208 proven. 1024 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2024-05-05 10:56:02,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:56:02,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003648039] [2024-05-05 10:56:02,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003648039] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:56:02,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1029834250] [2024-05-05 10:56:02,844 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 10:56:02,844 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:56:02,844 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:56:02,845 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 10:56:02,847 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 10:56:03,049 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-05 10:56:03,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:56:03,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 836 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-05 10:56:03,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:56:05,227 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 2758 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-05-05 10:56:05,227 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:56:05,765 INFO L134 CoverageAnalysis]: Checked inductivity of 3061 backedges. 301 proven. 327 refuted. 0 times theorem prover too weak. 2433 trivial. 0 not checked. [2024-05-05 10:56:05,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1029834250] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:56:05,765 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:56:05,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 73, 10] total 86 [2024-05-05 10:56:05,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418357645] [2024-05-05 10:56:05,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:56:05,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 86 states [2024-05-05 10:56:05,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:56:06,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2024-05-05 10:56:06,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=426, Invalid=6884, Unknown=0, NotChecked=0, Total=7310 [2024-05-05 10:56:06,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:06,308 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:56:06,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 86 states, 86 states have (on average 7.255813953488372) internal successors, (624), 86 states have internal predecessors, (624), 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 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:56:06,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:56:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:56:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:56:31,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:56:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:56:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:56:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:56:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:56:31,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-05 10:56:31,286 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-05 10:56:31,476 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,SelfDestructingSolverStorable9 [2024-05-05 10:56:31,477 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 10:56:31,477 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:56:31,477 INFO L85 PathProgramCache]: Analyzing trace with hash -776414106, now seen corresponding path program 10 times [2024-05-05 10:56:31,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:56:31,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533808853] [2024-05-05 10:56:31,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:56:31,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:56:31,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:56:35,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 242 proven. 493 refuted. 0 times theorem prover too weak. 3559 trivial. 0 not checked. [2024-05-05 10:56:35,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:56:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533808853] [2024-05-05 10:56:35,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533808853] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:56:35,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526520635] [2024-05-05 10:56:35,670 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 10:56:35,670 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:56:35,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:56:35,671 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 10:56:35,673 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 10:56:35,871 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 10:56:35,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:56:35,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 910 conjuncts, 84 conjunts are in the unsatisfiable core [2024-05-05 10:56:35,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:56:38,949 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 3835 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-05-05 10:56:38,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:56:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 450 proven. 200 refuted. 0 times theorem prover too weak. 3644 trivial. 0 not checked. [2024-05-05 10:56:39,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526520635] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:56:39,540 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:56:39,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 85, 8] total 106 [2024-05-05 10:56:39,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265823103] [2024-05-05 10:56:39,541 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:56:39,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 106 states [2024-05-05 10:56:39,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:56:40,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2024-05-05 10:56:40,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=447, Invalid=10683, Unknown=0, NotChecked=0, Total=11130 [2024-05-05 10:56:40,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:40,421 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:56:40,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 106 states, 106 states have (on average 5.783018867924528) internal successors, (613), 106 states have internal predecessors, (613), 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 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:56:40,421 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-05 10:56:40,422 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:57:19,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:57:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-05 10:57:19,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-05-05 10:57:19,195 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-05 10:57:19,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:57:19,390 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 10:57:19,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:57:19,391 INFO L85 PathProgramCache]: Analyzing trace with hash 592794458, now seen corresponding path program 11 times [2024-05-05 10:57:19,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:57:19,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683067448] [2024-05-05 10:57:19,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:57:19,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:57:19,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:57:22,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 1400 proven. 897 refuted. 0 times theorem prover too weak. 4181 trivial. 0 not checked. [2024-05-05 10:57:22,717 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:57:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683067448] [2024-05-05 10:57:22,717 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683067448] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:57:22,717 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1889819206] [2024-05-05 10:57:22,717 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 10:57:22,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:57:22,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:57:22,721 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 10:57:22,722 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 10:57:22,939 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2024-05-05 10:57:22,939 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:57:22,949 INFO L262 TraceCheckSpWp]: Trace formula consists of 1107 conjuncts, 104 conjunts are in the unsatisfiable core [2024-05-05 10:57:22,954 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:57:27,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 45 proven. 6433 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 10:57:27,495 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:57:28,569 INFO L134 CoverageAnalysis]: Checked inductivity of 6478 backedges. 1753 proven. 323 refuted. 0 times theorem prover too weak. 4402 trivial. 0 not checked. [2024-05-05 10:57:28,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1889819206] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:57:28,570 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:57:28,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 105, 15] total 133 [2024-05-05 10:57:28,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19235973] [2024-05-05 10:57:28,570 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:57:28,571 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 133 states [2024-05-05 10:57:28,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:57:29,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2024-05-05 10:57:29,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=17051, Unknown=0, NotChecked=0, Total=17556 [2024-05-05 10:57:29,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:57:29,408 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:57:29,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 133 states, 133 states have (on average 5.917293233082707) internal successors, (787), 133 states have internal predecessors, (787), 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 10:57:29,408 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-05-05 10:57:29,409 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:58:30,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:58:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:58:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-05-05 10:58:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 346 states. [2024-05-05 10:58:30,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 717 states. [2024-05-05 10:58:30,648 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 10:58:30,843 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,SelfDestructingSolverStorable11 [2024-05-05 10:58:30,844 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 10:58:30,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 10:58:30,844 INFO L85 PathProgramCache]: Analyzing trace with hash -1157958774, now seen corresponding path program 12 times [2024-05-05 10:58:30,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 10:58:30,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392580915] [2024-05-05 10:58:30,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 10:58:30,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 10:58:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 10:58:34,729 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 29 proven. 2470 refuted. 0 times theorem prover too weak. 4629 trivial. 0 not checked. [2024-05-05 10:58:34,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 10:58:34,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392580915] [2024-05-05 10:58:34,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392580915] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 10:58:34,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1390942340] [2024-05-05 10:58:34,729 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 10:58:34,729 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 10:58:34,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 10:58:34,730 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 10:58:34,732 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 10:58:35,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 28 check-sat command(s) [2024-05-05 10:58:35,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 10:58:35,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 1150 conjuncts, 225 conjunts are in the unsatisfiable core [2024-05-05 10:58:35,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 10:58:36,244 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 0 proven. 2173 refuted. 0 times theorem prover too weak. 4955 trivial. 0 not checked. [2024-05-05 10:58:36,244 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 10:58:36,803 INFO L134 CoverageAnalysis]: Checked inductivity of 7128 backedges. 0 proven. 2169 refuted. 0 times theorem prover too weak. 4959 trivial. 0 not checked. [2024-05-05 10:58:36,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1390942340] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 10:58:36,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 10:58:36,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 10] total 26 [2024-05-05 10:58:36,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003788143] [2024-05-05 10:58:36,804 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 10:58:36,804 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-05 10:58:36,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 10:58:49,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-05 10:58:49,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=547, Unknown=0, NotChecked=0, Total=650 [2024-05-05 10:58:49,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:58:49,699 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 10:58:49,699 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 13.73076923076923) internal successors, (357), 26 states have internal predecessors, (357), 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 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 314 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 290 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 193 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 346 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 717 states. [2024-05-05 10:58:49,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.