/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 NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-03 19:57:13,394 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-03 19:57:13,467 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-03 19:57:13,470 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-03 19:57:13,470 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-03 19:57:13,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-03 19:57:13,497 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-03 19:57:13,497 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-03 19:57:13,498 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-03 19:57:13,500 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-03 19:57:13,501 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-03 19:57:13,501 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-03 19:57:13,501 INFO L153 SettingsManager]: * Use SBE=true [2024-04-03 19:57:13,501 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-03 19:57:13,502 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-03 19:57:13,502 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-03 19:57:13,502 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-03 19:57:13,502 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-03 19:57:13,502 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-03 19:57:13,502 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-03 19:57:13,503 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-03 19:57:13,504 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-03 19:57:13,504 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-03 19:57:13,504 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-03 19:57:13,504 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-03 19:57:13,504 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-03 19:57:13,504 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-03 19:57:13,505 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-03 19:57:13,505 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-03 19:57:13,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 19:57:13,506 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-03 19:57:13,506 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-03 19:57:13,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-03 19:57:13,506 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-03 19:57:13,506 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-03 19:57:13,506 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-03 19:57:13,506 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-03 19:57:13,507 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-03 19:57:13,507 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-03 19:57:13,507 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-04-03 19:57:13,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-03 19:57:13,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-03 19:57:13,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-03 19:57:13,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-03 19:57:13,716 INFO L274 PluginConnector]: CDTParser initialized [2024-04-03 19:57:13,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-04-03 19:57:14,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-03 19:57:14,778 INFO L384 CDTParser]: Found 1 translation units. [2024-04-03 19:57:14,778 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c [2024-04-03 19:57:14,784 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6eac16bef/1b11c1ee194b47d689e342f6764bc4a2/FLAGd5129c898 [2024-04-03 19:57:14,797 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/6eac16bef/1b11c1ee194b47d689e342f6764bc4a2 [2024-04-03 19:57:14,799 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-03 19:57:14,800 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-03 19:57:14,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-03 19:57:14,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-03 19:57:14,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-03 19:57:14,805 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:14,806 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21c15d68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14, skipping insertion in model container [2024-04-03 19:57:14,806 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:14,822 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-03 19:57:14,932 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2024-04-03 19:57:14,938 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 19:57:14,945 INFO L202 MainTranslator]: Completed pre-run [2024-04-03 19:57:14,961 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-min-max-1.wvr.c[3057,3070] [2024-04-03 19:57:14,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-03 19:57:14,969 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 19:57:14,969 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-03 19:57:14,974 INFO L206 MainTranslator]: Completed translation [2024-04-03 19:57:14,974 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14 WrapperNode [2024-04-03 19:57:14,974 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-03 19:57:14,975 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-03 19:57:14,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-03 19:57:14,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-03 19:57:14,980 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:14,986 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,001 INFO L138 Inliner]: procedures = 25, calls = 53, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 129 [2024-04-03 19:57:15,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-03 19:57:15,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-03 19:57:15,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-03 19:57:15,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-03 19:57:15,008 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,008 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,021 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,033 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,034 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,036 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-03 19:57:15,037 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-03 19:57:15,037 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-03 19:57:15,037 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-03 19:57:15,037 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (1/1) ... [2024-04-03 19:57:15,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-03 19:57:15,066 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:15,084 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-03 19:57:15,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-03 19:57:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-03 19:57:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-03 19:57:15,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-03 19:57:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-03 19:57:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-03 19:57:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-03 19:57:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-03 19:57:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-03 19:57:15,123 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-03 19:57:15,123 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-03 19:57:15,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-03 19:57:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-03 19:57:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-03 19:57:15,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-03 19:57:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-03 19:57:15,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-03 19:57:15,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-03 19:57:15,127 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-03 19:57:15,241 INFO L241 CfgBuilder]: Building ICFG [2024-04-03 19:57:15,243 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-03 19:57:15,545 INFO L282 CfgBuilder]: Performing block encoding [2024-04-03 19:57:15,581 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-03 19:57:15,581 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-04-03 19:57:15,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:57:15 BoogieIcfgContainer [2024-04-03 19:57:15,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-03 19:57:15,584 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-03 19:57:15,584 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-03 19:57:15,586 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-03 19:57:15,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.04 07:57:14" (1/3) ... [2024-04-03 19:57:15,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b6f509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:57:15, skipping insertion in model container [2024-04-03 19:57:15,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.04 07:57:14" (2/3) ... [2024-04-03 19:57:15,587 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47b6f509 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.04 07:57:15, skipping insertion in model container [2024-04-03 19:57:15,587 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.04 07:57:15" (3/3) ... [2024-04-03 19:57:15,588 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-min-max-1.wvr.c [2024-04-03 19:57:15,594 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-03 19:57:15,601 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-03 19:57:15,601 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-03 19:57:15,601 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-03 19:57:15,641 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-03 19:57:15,677 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-03 19:57:15,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-03 19:57:15,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:15,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-03 19:57:15,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-03 19:57:15,737 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-03 19:57:15,742 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-03 19:57:15,749 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;@32409737, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-03 19:57:15,750 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-03 19:57:15,856 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:15,860 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:15,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1768195821, now seen corresponding path program 1 times [2024-04-03 19:57:15,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:15,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031832415] [2024-04-03 19:57:15,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:15,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:15,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-03 19:57:16,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:16,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031832415] [2024-04-03 19:57:16,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031832415] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 19:57:16,122 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 19:57:16,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-03 19:57:16,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1667168670] [2024-04-03 19:57:16,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:16,130 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-03 19:57:16,130 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:16,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-03 19:57:16,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-03 19:57:16,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,150 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:16,151 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 73.0) internal successors, (146), 2 states have internal predecessors, (146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:16,152 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,208 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-03 19:57:16,209 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:16,210 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:16,210 INFO L85 PathProgramCache]: Analyzing trace with hash 1347515060, now seen corresponding path program 1 times [2024-04-03 19:57:16,210 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:16,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211567032] [2024-04-03 19:57:16,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:16,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:16,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:16,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:16,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211567032] [2024-04-03 19:57:16,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211567032] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 19:57:16,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 19:57:16,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-03 19:57:16,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1944206129] [2024-04-03 19:57:16,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:16,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 19:57:16,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:16,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 19:57:16,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-03 19:57:16,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,601 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:16,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 20.142857142857142) internal successors, (141), 7 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:16,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:16,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:16,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-03 19:57:16,781 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:16,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:16,781 INFO L85 PathProgramCache]: Analyzing trace with hash 905660120, now seen corresponding path program 1 times [2024-04-03 19:57:16,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:16,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884644691] [2024-04-03 19:57:16,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:16,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:16,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:17,020 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:17,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:17,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884644691] [2024-04-03 19:57:17,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884644691] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:17,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [302675979] [2024-04-03 19:57:17,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:17,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:17,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:17,054 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:17,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-03 19:57:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:17,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 6 conjunts are in the unsatisfiable core [2024-04-03 19:57:17,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:17,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:17,385 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 19:57:17,566 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:17,566 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [302675979] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:17,567 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-03 19:57:17,567 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2024-04-03 19:57:17,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809628379] [2024-04-03 19:57:17,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:17,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-03 19:57:17,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:17,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-03 19:57:17,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-04-03 19:57:17,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:17,574 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:17,574 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.285714285714285) internal successors, (149), 7 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:17,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:17,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:17,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:17,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-03 19:57:17,857 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-03 19:57:17,858 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:17,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:17,858 INFO L85 PathProgramCache]: Analyzing trace with hash -153695611, now seen corresponding path program 1 times [2024-04-03 19:57:17,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:17,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026462990] [2024-04-03 19:57:17,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:17,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:18,071 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:18,072 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:18,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026462990] [2024-04-03 19:57:18,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026462990] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:18,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [446425142] [2024-04-03 19:57:18,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:18,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:18,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:18,079 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:18,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-03 19:57:18,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:18,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-03 19:57:18,194 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:18,387 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 19:57:18,560 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:18,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [446425142] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 19:57:18,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 19:57:18,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-03 19:57:18,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745931644] [2024-04-03 19:57:18,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 19:57:18,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-03 19:57:18,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:18,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-03 19:57:18,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-03 19:57:18,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:18,562 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:18,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.708333333333334) internal successors, (257), 24 states have internal predecessors, (257), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:18,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:18,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:18,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:18,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:18,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:18,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:18,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:18,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:18,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:18,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:18,962 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:18,962 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:18,962 INFO L85 PathProgramCache]: Analyzing trace with hash 690576809, now seen corresponding path program 2 times [2024-04-03 19:57:18,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:18,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562534496] [2024-04-03 19:57:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:18,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:18,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:19,170 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:19,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:19,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562534496] [2024-04-03 19:57:19,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562534496] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:19,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [223735970] [2024-04-03 19:57:19,170 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-03 19:57:19,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:19,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:19,172 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:19,192 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-03 19:57:19,263 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-03 19:57:19,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 19:57:19,265 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-03 19:57:19,270 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:19,291 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-03 19:57:19,315 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-03 19:57:19,317 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-03 19:57:19,388 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 19:57:19,389 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-03 19:57:19,492 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 19:57:19,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-03 19:57:19,583 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-03 19:57:19,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 19:57:19,584 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [223735970] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 19:57:19,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 19:57:19,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [11] total 25 [2024-04-03 19:57:19,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111260855] [2024-04-03 19:57:19,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:19,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-04-03 19:57:19,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:19,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-04-03 19:57:19,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2024-04-03 19:57:19,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:19,587 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:19,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 9.625) internal successors, (154), 16 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:19,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:19,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:19,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:19,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:19,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:20,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:20,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:20,400 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:20,598 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:20,599 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:20,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:20,599 INFO L85 PathProgramCache]: Analyzing trace with hash 358705285, now seen corresponding path program 3 times [2024-04-03 19:57:20,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:20,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707583380] [2024-04-03 19:57:20,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:20,796 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:20,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:20,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707583380] [2024-04-03 19:57:20,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1707583380] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:20,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [429078247] [2024-04-03 19:57:20,796 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-03 19:57:20,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:20,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:20,798 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:20,822 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-03 19:57:20,897 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-04-03 19:57:20,897 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 19:57:20,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-03 19:57:20,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:20,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2024-04-03 19:57:20,926 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-04-03 19:57:20,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-04-03 19:57:21,142 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-03 19:57:21,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-04-03 19:57:21,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 19:57:21,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-03 19:57:21,483 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-03 19:57:21,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-03 19:57:21,606 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-04-03 19:57:21,606 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-03 19:57:21,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [429078247] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 19:57:21,607 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-03 19:57:21,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [11] total 27 [2024-04-03 19:57:21,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1966377428] [2024-04-03 19:57:21,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:21,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-03 19:57:21,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:21,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-03 19:57:21,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=637, Unknown=0, NotChecked=0, Total=702 [2024-04-03 19:57:21,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:21,613 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:21,614 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 8.555555555555555) internal successors, (154), 18 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:21,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:22,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:22,503 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:22,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-03 19:57:22,698 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:22,698 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:22,698 INFO L85 PathProgramCache]: Analyzing trace with hash 784328633, now seen corresponding path program 4 times [2024-04-03 19:57:22,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:22,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294464193] [2024-04-03 19:57:22,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:22,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:22,884 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:22,884 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:22,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294464193] [2024-04-03 19:57:22,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294464193] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:22,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929911591] [2024-04-03 19:57:22,884 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-03 19:57:22,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:22,885 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:22,886 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:22,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-03 19:57:22,998 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-03 19:57:22,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 19:57:23,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-03 19:57:23,002 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:23,148 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:23,149 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 19:57:23,314 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:23,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929911591] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 19:57:23,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 19:57:23,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-03 19:57:23,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2041369834] [2024-04-03 19:57:23,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 19:57:23,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-03 19:57:23,315 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:23,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-03 19:57:23,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2024-04-03 19:57:23,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:23,316 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:23,316 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 10.125) internal successors, (243), 24 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:23,316 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:23,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:23,894 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:24,094 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:24,094 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:24,094 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:24,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1756068314, now seen corresponding path program 5 times [2024-04-03 19:57:24,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:24,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681131085] [2024-04-03 19:57:24,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:24,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:24,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:24,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681131085] [2024-04-03 19:57:24,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681131085] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:24,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [814016043] [2024-04-03 19:57:24,324 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-03 19:57:24,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:24,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:24,325 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:24,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-03 19:57:24,452 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2024-04-03 19:57:24,452 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-03 19:57:24,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-03 19:57:24,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:24,646 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 22 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-03 19:57:24,646 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 19:57:24,765 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-03 19:57:24,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [814016043] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 19:57:24,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 19:57:24,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 8] total 31 [2024-04-03 19:57:24,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467345468] [2024-04-03 19:57:24,766 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 19:57:24,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-03 19:57:24,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:24,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-03 19:57:24,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=837, Unknown=0, NotChecked=0, Total=930 [2024-04-03 19:57:24,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:24,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:24,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.709677419354838) internal successors, (301), 31 states have internal predecessors, (301), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:24,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:24,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:24,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:24,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-04-03 19:57:27,708 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:27,908 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-03 19:57:27,908 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:27,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:27,909 INFO L85 PathProgramCache]: Analyzing trace with hash 1750082346, now seen corresponding path program 6 times [2024-04-03 19:57:27,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:27,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2024072394] [2024-04-03 19:57:27,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:27,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:27,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:28,285 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-04-03 19:57:28,287 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:28,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2024072394] [2024-04-03 19:57:28,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2024072394] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 19:57:28,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 19:57:28,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-03 19:57:28,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [649221235] [2024-04-03 19:57:28,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:28,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-03 19:57:28,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-03 19:57:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-04-03 19:57:28,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:28,288 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:28,289 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-04-03 19:57:28,289 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-04-03 19:57:28,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 19:57:28,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-04-03 19:57:28,939 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:28,939 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:28,939 INFO L85 PathProgramCache]: Analyzing trace with hash -520592221, now seen corresponding path program 7 times [2024-04-03 19:57:28,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:28,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174743435] [2024-04-03 19:57:28,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:28,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:28,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:29,160 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 4 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:29,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:29,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174743435] [2024-04-03 19:57:29,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174743435] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-03 19:57:29,161 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882106279] [2024-04-03 19:57:29,161 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-03 19:57:29,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:29,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-03 19:57:29,162 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-03 19:57:29,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-03 19:57:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:29,262 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-03 19:57:29,264 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-03 19:57:29,590 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 12 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:29,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-03 19:57:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 29 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-03 19:57:29,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882106279] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-03 19:57:29,905 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-03 19:57:29,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-04-03 19:57:29,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939956054] [2024-04-03 19:57:29,905 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-03 19:57:29,906 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-03 19:57:29,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:29,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-03 19:57:29,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-04-03 19:57:29,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:29,907 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:29,907 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.588235294117647) internal successors, (292), 34 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:29,907 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:29,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:29,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 19:57:29,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:29,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-04-03 19:57:29,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 19:57:29,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 19:57:30,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:30,722 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:30,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-03 19:57:30,918 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-03 19:57:30,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-03 19:57:30,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1020434800, now seen corresponding path program 8 times [2024-04-03 19:57:30,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-03 19:57:30,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003807907] [2024-04-03 19:57:30,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-03 19:57:30,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-03 19:57:30,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-03 19:57:31,244 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-04-03 19:57:31,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-03 19:57:31,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003807907] [2024-04-03 19:57:31,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1003807907] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-03 19:57:31,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-03 19:57:31,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-04-03 19:57:31,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248446599] [2024-04-03 19:57:31,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-03 19:57:31,245 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-03 19:57:31,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-03 19:57:31,247 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-03 19:57:31,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-04-03 19:57:31,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:31,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-03 19:57:31,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 19.25) internal successors, (154), 8 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-03 19:57:31,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:31,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-03 19:57:34,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-03 19:57:34,095 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-03 19:57:34,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-03 19:57:34,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-03 19:57:34,096 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-03 19:57:34,096 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-03 19:57:34,099 INFO L445 BasicCegarLoop]: Path program histogram: [8, 1, 1, 1] [2024-04-03 19:57:34,101 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-03 19:57:34,101 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-03 19:57:34,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.04 07:57:34 BasicIcfg [2024-04-03 19:57:34,103 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-03 19:57:34,103 INFO L158 Benchmark]: Toolchain (without parser) took 19302.88ms. Allocated memory was 160.4MB in the beginning and 745.5MB in the end (delta: 585.1MB). Free memory was 96.0MB in the beginning and 267.3MB in the end (delta: -171.3MB). Peak memory consumption was 415.0MB. Max. memory is 8.0GB. [2024-04-03 19:57:34,103 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 160.4MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-03 19:57:34,103 INFO L158 Benchmark]: CACSL2BoogieTranslator took 173.40ms. Allocated memory is still 160.4MB. Free memory was 95.7MB in the beginning and 83.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-03 19:57:34,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.82ms. Allocated memory is still 160.4MB. Free memory was 83.6MB in the beginning and 81.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 19:57:34,104 INFO L158 Benchmark]: Boogie Preprocessor took 34.57ms. Allocated memory is still 160.4MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-03 19:57:34,104 INFO L158 Benchmark]: RCFGBuilder took 545.61ms. Allocated memory is still 160.4MB. Free memory was 79.8MB in the beginning and 127.1MB in the end (delta: -47.3MB). Peak memory consumption was 22.1MB. Max. memory is 8.0GB. [2024-04-03 19:57:34,104 INFO L158 Benchmark]: TraceAbstraction took 18518.85ms. Allocated memory was 160.4MB in the beginning and 745.5MB in the end (delta: 585.1MB). Free memory was 126.0MB in the beginning and 267.3MB in the end (delta: -141.3MB). Peak memory consumption was 445.4MB. Max. memory is 8.0GB. [2024-04-03 19:57:34,105 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 160.4MB. Free memory is still 100.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 173.40ms. Allocated memory is still 160.4MB. Free memory was 95.7MB in the beginning and 83.6MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.82ms. Allocated memory is still 160.4MB. Free memory was 83.6MB in the beginning and 81.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.57ms. Allocated memory is still 160.4MB. Free memory was 81.7MB in the beginning and 80.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 545.61ms. Allocated memory is still 160.4MB. Free memory was 79.8MB in the beginning and 127.1MB in the end (delta: -47.3MB). Peak memory consumption was 22.1MB. Max. memory is 8.0GB. * TraceAbstraction took 18518.85ms. Allocated memory was 160.4MB in the beginning and 745.5MB in the end (delta: 585.1MB). Free memory was 126.0MB in the beginning and 267.3MB in the end (delta: -141.3MB). Peak memory consumption was 445.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 301346, independent: 288127, independent conditional: 288127, independent unconditional: 0, dependent: 13219, dependent conditional: 13219, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 288159, independent: 288127, independent conditional: 288127, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 288159, independent: 288127, independent conditional: 288127, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 288159, independent: 288127, independent conditional: 288127, independent unconditional: 0, dependent: 32, dependent conditional: 32, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298632, independent: 288127, independent conditional: 3300, independent unconditional: 284827, dependent: 10505, dependent conditional: 7141, dependent unconditional: 3364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 298632, independent: 288127, independent conditional: 3300, independent unconditional: 284827, dependent: 10505, dependent conditional: 5602, dependent unconditional: 4903, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 298632, independent: 288127, independent conditional: 3300, independent unconditional: 284827, dependent: 10505, dependent conditional: 5602, dependent unconditional: 4903, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1100, independent: 913, independent conditional: 24, independent unconditional: 889, dependent: 187, dependent conditional: 172, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1100, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 211, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 187, dependent conditional: 172, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 211, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 187, dependent conditional: 172, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 734, independent: 69, independent conditional: 69, independent unconditional: 0, dependent: 666, dependent conditional: 609, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 298632, independent: 287214, independent conditional: 3276, independent unconditional: 283938, dependent: 10318, dependent conditional: 5430, dependent unconditional: 4888, unknown: 1100, unknown conditional: 196, unknown unconditional: 904] , Statistics on independence cache: Total cache size (in pairs): 1100, Positive cache size: 913, Positive conditional cache size: 24, Positive unconditional cache size: 889, Negative cache size: 187, Negative conditional cache size: 172, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1539, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298632, independent: 288127, independent conditional: 3300, independent unconditional: 284827, dependent: 10505, dependent conditional: 7141, dependent unconditional: 3364, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 298632, independent: 288127, independent conditional: 3300, independent unconditional: 284827, dependent: 10505, dependent conditional: 5602, dependent unconditional: 4903, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 298632, independent: 288127, independent conditional: 3300, independent unconditional: 284827, dependent: 10505, dependent conditional: 5602, dependent unconditional: 4903, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1100, independent: 913, independent conditional: 24, independent unconditional: 889, dependent: 187, dependent conditional: 172, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1100, independent: 889, independent conditional: 0, independent unconditional: 889, dependent: 211, dependent conditional: 0, dependent unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 211, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 187, dependent conditional: 172, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 211, independent: 24, independent conditional: 24, independent unconditional: 0, dependent: 187, dependent conditional: 172, dependent unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 734, independent: 69, independent conditional: 69, independent unconditional: 0, dependent: 666, dependent conditional: 609, dependent unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 298632, independent: 287214, independent conditional: 3276, independent unconditional: 283938, dependent: 10318, dependent conditional: 5430, dependent unconditional: 4888, unknown: 1100, unknown conditional: 196, unknown unconditional: 904] , Statistics on independence cache: Total cache size (in pairs): 1100, Positive cache size: 913, Positive conditional cache size: 24, Positive unconditional cache size: 889, Negative cache size: 187, Negative conditional cache size: 172, Negative unconditional cache size: 15, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1539 ], Independence queries for same thread: 13187 - PositiveResult [Line: 115]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 202 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 18.4s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 8, EmptinessCheckTime: 10.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 339, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 2999 NumberOfCodeBlocks, 2914 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3808 ConstructedInterpolants, 0 QuantifiedInterpolants, 12738 SizeOfPredicates, 81 NumberOfNonLiveVariables, 2263 ConjunctsInSsa, 117 ConjunctsInUnsatCore, 23 InterpolantComputations, 7 PerfectInterpolantSequences, 315/515 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-04-03 19:57:34,197 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-03 19:57:34,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...