/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 03:14:02,671 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 03:14:02,740 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 03:14:02,745 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 03:14:02,745 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 03:14:02,769 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 03:14:02,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 03:14:02,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 03:14:02,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 03:14:02,772 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 03:14:02,773 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 03:14:02,774 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 03:14:02,774 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 03:14:02,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 03:14:02,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 03:14:02,775 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 03:14:02,775 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 03:14:02,775 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 03:14:02,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 03:14:02,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 03:14:02,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 03:14:02,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 03:14:02,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 03:14:02,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 03:14:02,777 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 03:14:02,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 03:14:02,777 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 03:14:02,777 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 03:14:02,777 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 03:14:02,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 03:14:02,778 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 03:14:02,779 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 03:14:02,780 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 03:14:02,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 03:14:03,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 03:14:03,011 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 03:14:03,012 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 03:14:03,015 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 03:14:03,016 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-04-04 03:14:03,975 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 03:14:04,155 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 03:14:04,156 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c [2024-04-04 03:14:04,192 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/736f030af/1851b31be99744b4a19be3a0e9366a55/FLAG32388b198 [2024-04-04 03:14:04,214 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/736f030af/1851b31be99744b4a19be3a0e9366a55 [2024-04-04 03:14:04,216 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 03:14:04,218 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 03:14:04,220 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 03:14:04,220 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 03:14:04,223 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 03:14:04,224 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26720583 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04, skipping insertion in model container [2024-04-04 03:14:04,225 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,253 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 03:14:04,424 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2024-04-04 03:14:04,437 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 03:14:04,446 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 03:14:04,467 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-buffer-series.wvr.c[4351,4364] [2024-04-04 03:14:04,469 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 03:14:04,475 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 03:14:04,475 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 03:14:04,480 INFO L206 MainTranslator]: Completed translation [2024-04-04 03:14:04,480 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04 WrapperNode [2024-04-04 03:14:04,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 03:14:04,481 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 03:14:04,481 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 03:14:04,481 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 03:14:04,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,522 INFO L138 Inliner]: procedures = 27, calls = 87, calls flagged for inlining = 22, calls inlined = 28, statements flattened = 360 [2024-04-04 03:14:04,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 03:14:04,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 03:14:04,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 03:14:04,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 03:14:04,530 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,535 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,535 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,541 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,544 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 03:14:04,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 03:14:04,562 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 03:14:04,562 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 03:14:04,563 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (1/1) ... [2024-04-04 03:14:04,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 03:14:04,576 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:04,594 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) [2024-04-04 03:14:04,612 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 [2024-04-04 03:14:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 03:14:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 03:14:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 03:14:04,678 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 03:14:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 03:14:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 03:14:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 03:14:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 03:14:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 03:14:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 03:14:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 03:14:04,680 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 03:14:04,680 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 03:14:04,681 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 03:14:04,785 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 03:14:04,786 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 03:14:05,122 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 03:14:05,235 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 03:14:05,235 INFO L309 CfgBuilder]: Removed 7 assume(true) statements. [2024-04-04 03:14:05,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 03:14:05 BoogieIcfgContainer [2024-04-04 03:14:05,237 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 03:14:05,239 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 03:14:05,239 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 03:14:05,241 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 03:14:05,242 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 03:14:04" (1/3) ... [2024-04-04 03:14:05,242 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ddef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 03:14:05, skipping insertion in model container [2024-04-04 03:14:05,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:14:04" (2/3) ... [2024-04-04 03:14:05,243 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ddef26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 03:14:05, skipping insertion in model container [2024-04-04 03:14:05,243 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 03:14:05" (3/3) ... [2024-04-04 03:14:05,244 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-buffer-series.wvr.c [2024-04-04 03:14:05,251 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 03:14:05,258 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 03:14:05,258 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 03:14:05,258 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 03:14:05,328 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 03:14:05,371 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 03:14:05,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 03:14:05,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:05,384 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) [2024-04-04 03:14:05,411 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 [2024-04-04 03:14:05,418 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 03:14:05,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:05,427 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 03:14:05,432 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;@32e85518, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 03:14:05,433 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 03:14:06,030 INFO L85 PathProgramCache]: Analyzing trace with hash -1675674157, now seen corresponding path program 1 times [2024-04-04 03:14:06,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:06,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 03:14:06,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:06,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:06,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:06,550 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-04-04 03:14:06,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 03:14:06,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 03:14:06,999 INFO L85 PathProgramCache]: Analyzing trace with hash 1566676052, now seen corresponding path program 1 times [2024-04-04 03:14:06,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:06,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:07,454 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-04 03:14:07,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:07,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-04-04 03:14:07,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 03:14:07,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2024-04-04 03:14:11,594 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:14:11,596 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:11,596 INFO L85 PathProgramCache]: Analyzing trace with hash 993076135, now seen corresponding path program 1 times [2024-04-04 03:14:11,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:14:11,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907928964] [2024-04-04 03:14:11,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:11,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:11,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:12,003 INFO L134 CoverageAnalysis]: Checked inductivity of 458 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 428 trivial. 0 not checked. [2024-04-04 03:14:12,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:14:12,003 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907928964] [2024-04-04 03:14:12,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1907928964] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 03:14:12,004 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 03:14:12,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 03:14:12,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1609875811] [2024-04-04 03:14:12,006 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 03:14:12,008 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 03:14:12,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:14:12,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 03:14:12,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-04-04 03:14:12,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:12,022 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:14:12,023 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 37.333333333333336) internal successors, (224), 6 states have internal predecessors, (224), 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) [2024-04-04 03:14:12,023 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:15,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:15,088 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 03:14:15,088 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:14:15,089 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:15,089 INFO L85 PathProgramCache]: Analyzing trace with hash 1620800503, now seen corresponding path program 1 times [2024-04-04 03:14:15,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:14:15,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188606191] [2024-04-04 03:14:15,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:15,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:15,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:15,789 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 03:14:15,789 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:14:15,789 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188606191] [2024-04-04 03:14:15,789 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188606191] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:14:15,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609734893] [2024-04-04 03:14:15,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:15,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:15,791 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:15,819 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) [2024-04-04 03:14:15,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 03:14:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:16,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 917 conjuncts, 9 conjunts are in the unsatisfiable core [2024-04-04 03:14:16,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:14:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 98 proven. 1 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 03:14:16,306 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:14:16,572 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 96 proven. 3 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 03:14:16,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609734893] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:14:16,572 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:14:16,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-04 03:14:16,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305498851] [2024-04-04 03:14:16,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:14:16,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 03:14:16,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:14:16,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 03:14:16,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2024-04-04 03:14:16,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:16,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:14:16,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 16.210526315789473) internal successors, (308), 19 states have internal predecessors, (308), 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) [2024-04-04 03:14:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:16,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:19,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:19,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:19,770 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 03:14:19,969 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,SelfDestructingSolverStorable5 [2024-04-04 03:14:19,970 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:14:19,970 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:19,970 INFO L85 PathProgramCache]: Analyzing trace with hash -558622326, now seen corresponding path program 2 times [2024-04-04 03:14:19,971 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:14:19,971 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217320316] [2024-04-04 03:14:19,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:19,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:20,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:20,520 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 235 proven. 86 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 03:14:20,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:14:20,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217320316] [2024-04-04 03:14:20,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217320316] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:14:20,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1450067300] [2024-04-04 03:14:20,521 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 03:14:20,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:20,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:20,525 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) [2024-04-04 03:14:20,553 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 03:14:20,738 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 03:14:20,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:14:20,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 03:14:20,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:14:21,398 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 278 proven. 33 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-04-04 03:14:21,398 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:14:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 49 proven. 262 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-04-04 03:14:22,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1450067300] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:14:22,136 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:14:22,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 15, 15] total 35 [2024-04-04 03:14:22,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346914737] [2024-04-04 03:14:22,137 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:14:22,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 03:14:22,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:14:22,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 03:14:22,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=996, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 03:14:22,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:22,144 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:14:22,144 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 18.771428571428572) internal successors, (657), 35 states have internal predecessors, (657), 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) [2024-04-04 03:14:22,145 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:22,146 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:32,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:14:32,241 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 03:14:32,442 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:32,442 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:14:32,442 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:32,443 INFO L85 PathProgramCache]: Analyzing trace with hash 935272368, now seen corresponding path program 3 times [2024-04-04 03:14:32,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:14:32,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039732469] [2024-04-04 03:14:32,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:32,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:33,480 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 266 proven. 226 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2024-04-04 03:14:33,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:14:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039732469] [2024-04-04 03:14:33,481 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039732469] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:14:33,481 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1717004563] [2024-04-04 03:14:33,481 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 03:14:33,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:33,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:33,497 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) [2024-04-04 03:14:33,564 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 03:14:33,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-04-04 03:14:33,725 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:14:33,727 INFO L262 TraceCheckSpWp]: Trace formula consists of 558 conjuncts, 17 conjunts are in the unsatisfiable core [2024-04-04 03:14:33,732 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:14:34,027 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2024-04-04 03:14:34,027 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 03:14:34,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1717004563] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 03:14:34,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 03:14:34,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [22] total 28 [2024-04-04 03:14:34,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1037400531] [2024-04-04 03:14:34,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 03:14:34,028 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 03:14:34,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:14:34,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 03:14:34,029 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=661, Unknown=0, NotChecked=0, Total=756 [2024-04-04 03:14:34,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:34,029 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:14:34,030 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 28.375) internal successors, (227), 8 states have internal predecessors, (227), 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) [2024-04-04 03:14:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:14:34,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:14:43,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:14:43,951 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 03:14:44,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:44,137 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:14:44,137 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:44,137 INFO L85 PathProgramCache]: Analyzing trace with hash 1968765268, now seen corresponding path program 1 times [2024-04-04 03:14:44,137 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:14:44,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765918515] [2024-04-04 03:14:44,137 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:44,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:45,115 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 266 proven. 226 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-04-04 03:14:45,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:14:45,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765918515] [2024-04-04 03:14:45,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765918515] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:14:45,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [305699312] [2024-04-04 03:14:45,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:45,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:45,116 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:45,117 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) [2024-04-04 03:14:45,145 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 03:14:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:45,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 977 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 03:14:45,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:14:45,668 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 184 proven. 10 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-04-04 03:14:45,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:14:46,054 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 162 proven. 32 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2024-04-04 03:14:46,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [305699312] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:14:46,054 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:14:46,054 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 12, 12] total 41 [2024-04-04 03:14:46,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466643381] [2024-04-04 03:14:46,054 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:14:46,055 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-04 03:14:46,055 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:14:46,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-04 03:14:46,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1468, Unknown=0, NotChecked=0, Total=1640 [2024-04-04 03:14:46,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:46,057 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:14:46,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 14.317073170731707) internal successors, (587), 41 states have internal predecessors, (587), 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) [2024-04-04 03:14:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:14:46,057 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:14:46,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:14:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:14:56,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:14:56,940 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-04-04 03:14:57,140 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,SelfDestructingSolverStorable8 [2024-04-04 03:14:57,140 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:14:57,141 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:14:57,141 INFO L85 PathProgramCache]: Analyzing trace with hash 1987518007, now seen corresponding path program 2 times [2024-04-04 03:14:57,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:14:57,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621777725] [2024-04-04 03:14:57,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:14:57,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:14:57,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:14:58,168 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 266 proven. 267 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-04-04 03:14:58,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:14:58,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621777725] [2024-04-04 03:14:58,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621777725] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:14:58,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751620584] [2024-04-04 03:14:58,169 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 03:14:58,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:14:58,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:14:58,170 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) [2024-04-04 03:14:58,196 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 03:14:58,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 03:14:58,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:14:58,395 INFO L262 TraceCheckSpWp]: Trace formula consists of 1005 conjuncts, 15 conjunts are in the unsatisfiable core [2024-04-04 03:14:58,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:14:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 246 proven. 27 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 03:14:58,871 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:14:59,373 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 208 proven. 65 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 03:14:59,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751620584] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:14:59,373 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:14:59,374 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 15, 15] total 49 [2024-04-04 03:14:59,374 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855107153] [2024-04-04 03:14:59,374 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:14:59,375 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-04-04 03:14:59,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:14:59,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-04-04 03:14:59,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=242, Invalid=2110, Unknown=0, NotChecked=0, Total=2352 [2024-04-04 03:14:59,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:14:59,378 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:14:59,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 12.959183673469388) internal successors, (635), 49 states have internal predecessors, (635), 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) [2024-04-04 03:14:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:14:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:14:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:14:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:14:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:14:59,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:09,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:09,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:09,913 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 03:15:10,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 03:15:10,109 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:15:10,109 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:15:10,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1539975706, now seen corresponding path program 3 times [2024-04-04 03:15:10,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:15:10,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367113984] [2024-04-04 03:15:10,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:15:10,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:15:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:15:10,714 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 283 proven. 39 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2024-04-04 03:15:10,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:15:10,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367113984] [2024-04-04 03:15:10,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367113984] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:15:10,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [320553076] [2024-04-04 03:15:10,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 03:15:10,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:10,717 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:15:10,725 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) [2024-04-04 03:15:10,727 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 03:15:11,069 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 03:15:11,069 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:15:11,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-04 03:15:11,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:15:11,442 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 296 proven. 52 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-04-04 03:15:11,442 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:15:11,858 INFO L134 CoverageAnalysis]: Checked inductivity of 662 backedges. 52 proven. 296 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-04-04 03:15:11,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [320553076] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:15:11,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:15:11,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 20, 20] total 41 [2024-04-04 03:15:11,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277785566] [2024-04-04 03:15:11,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:15:11,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-04 03:15:11,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:15:11,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-04 03:15:11,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1323, Unknown=0, NotChecked=0, Total=1640 [2024-04-04 03:15:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:11,862 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:15:11,863 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 17.073170731707318) internal successors, (700), 41 states have internal predecessors, (700), 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) [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:11,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:23,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:23,242 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 03:15:23,420 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,SelfDestructingSolverStorable10 [2024-04-04 03:15:23,420 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:15:23,421 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:15:23,421 INFO L85 PathProgramCache]: Analyzing trace with hash -1211029556, now seen corresponding path program 4 times [2024-04-04 03:15:23,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:15:23,421 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782582469] [2024-04-04 03:15:23,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:15:23,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:15:23,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:15:24,762 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 405 proven. 533 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2024-04-04 03:15:24,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:15:24,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782582469] [2024-04-04 03:15:24,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782582469] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:15:24,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833277516] [2024-04-04 03:15:24,762 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 03:15:24,762 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:24,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:15:24,763 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) [2024-04-04 03:15:24,766 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 03:15:25,204 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 03:15:25,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:15:25,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 1234 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 03:15:25,214 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:15:25,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1186 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 943 trivial. 0 not checked. [2024-04-04 03:15:25,496 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 03:15:25,496 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833277516] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 03:15:25,496 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 03:15:25,496 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [27] total 29 [2024-04-04 03:15:25,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470199837] [2024-04-04 03:15:25,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 03:15:25,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-04-04 03:15:25,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:15:25,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-04-04 03:15:25,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=694, Unknown=0, NotChecked=0, Total=812 [2024-04-04 03:15:25,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:25,498 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:15:25,498 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 63.25) internal successors, (253), 4 states have internal predecessors, (253), 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) [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:25,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:29,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:15:29,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 03:15:29,209 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:29,209 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:15:29,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:15:29,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1027686644, now seen corresponding path program 5 times [2024-04-04 03:15:29,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:15:29,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1924713605] [2024-04-04 03:15:29,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:15:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:15:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:15:29,868 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 03:15:29,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:15:29,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1924713605] [2024-04-04 03:15:29,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1924713605] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:15:29,869 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [735682944] [2024-04-04 03:15:29,869 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 03:15:29,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:29,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:15:29,870 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:15:29,896 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 03:15:30,404 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-04-04 03:15:30,405 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:15:30,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 809 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 03:15:30,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:15:31,256 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 35 proven. 2 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 03:15:31,257 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:15:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 384 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-04-04 03:15:31,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [735682944] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:15:31,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:15:31,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14, 14] total 33 [2024-04-04 03:15:31,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [322457551] [2024-04-04 03:15:31,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:15:31,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 03:15:31,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:15:31,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 03:15:31,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=886, Unknown=0, NotChecked=0, Total=1056 [2024-04-04 03:15:31,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:31,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:15:31,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 19.060606060606062) internal successors, (629), 33 states have internal predecessors, (629), 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) [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:31,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:31,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:15:31,724 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:37,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:15:37,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:15:37,104 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 03:15:37,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:37,304 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:15:37,304 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:15:37,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1872873240, now seen corresponding path program 6 times [2024-04-04 03:15:37,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:15:37,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1069796825] [2024-04-04 03:15:37,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:15:37,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:15:37,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:15:37,826 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-04 03:15:37,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:15:37,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1069796825] [2024-04-04 03:15:37,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1069796825] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:15:37,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1405523322] [2024-04-04 03:15:37,827 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 03:15:37,827 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:15:37,828 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:15:37,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 03:15:38,381 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-04-04 03:15:38,381 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:15:38,386 INFO L262 TraceCheckSpWp]: Trace formula consists of 823 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-04 03:15:38,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:15:38,820 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 71 proven. 14 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2024-04-04 03:15:38,820 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:15:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 55 proven. 36 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-04-04 03:15:39,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1405523322] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:15:39,521 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:15:39,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16, 20] total 44 [2024-04-04 03:15:39,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204861354] [2024-04-04 03:15:39,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:15:39,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 03:15:39,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:15:39,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 03:15:39,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=1551, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 03:15:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:39,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:15:39,525 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 16.15909090909091) internal successors, (711), 44 states have internal predecessors, (711), 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) [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:15:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:45,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:15:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:15:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:15:45,919 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-04 03:15:46,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-04-04 03:15:46,122 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:15:46,122 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:15:46,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1817378428, now seen corresponding path program 7 times [2024-04-04 03:15:46,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:15:46,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [820650045] [2024-04-04 03:15:46,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:15:46,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:15:46,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:15:46,744 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 76 proven. 64 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2024-04-04 03:15:46,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:15:46,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [820650045] [2024-04-04 03:15:46,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [820650045] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:15:46,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895486300] [2024-04-04 03:15:46,744 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 03:15:46,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:15:46,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:15:46,746 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:15:46,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 03:15:46,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:15:46,951 INFO L262 TraceCheckSpWp]: Trace formula consists of 865 conjuncts, 21 conjunts are in the unsatisfiable core [2024-04-04 03:15:46,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:15:47,484 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 92 proven. 38 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-04-04 03:15:47,485 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:15:48,064 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 122 proven. 19 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2024-04-04 03:15:48,065 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1895486300] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:15:48,065 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:15:48,065 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 19] total 50 [2024-04-04 03:15:48,065 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569511080] [2024-04-04 03:15:48,065 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:15:48,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2024-04-04 03:15:48,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:15:48,068 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2024-04-04 03:15:48,069 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=392, Invalid=2058, Unknown=0, NotChecked=0, Total=2450 [2024-04-04 03:15:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:15:48,069 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:15:48,070 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 14.84) internal successors, (742), 50 states have internal predecessors, (742), 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) [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:15:48,070 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:16:06,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:16:06,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:16:06,333 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 03:16:06,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:16:06,531 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:16:06,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:16:06,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1772554051, now seen corresponding path program 8 times [2024-04-04 03:16:06,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:16:06,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274786820] [2024-04-04 03:16:06,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:16:06,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:16:06,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:16:08,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2400 backedges. 587 proven. 980 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2024-04-04 03:16:08,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:16:08,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274786820] [2024-04-04 03:16:08,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [274786820] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:16:08,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [361428161] [2024-04-04 03:16:08,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 03:16:08,573 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:16:08,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:16:08,575 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:16:08,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 03:16:08,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 03:16:08,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:16:08,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 1570 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-04 03:16:08,950 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:16:09,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2400 backedges. 1190 proven. 126 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2024-04-04 03:16:09,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:16:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2400 backedges. 1095 proven. 221 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2024-04-04 03:16:10,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [361428161] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:16:10,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:16:10,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 24, 24] total 70 [2024-04-04 03:16:10,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306492256] [2024-04-04 03:16:10,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:16:10,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 70 states [2024-04-04 03:16:10,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:16:10,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2024-04-04 03:16:10,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=505, Invalid=4325, Unknown=0, NotChecked=0, Total=4830 [2024-04-04 03:16:10,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:16:10,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:16:10,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 70 states, 70 states have (on average 11.185714285714285) internal successors, (783), 70 states have internal predecessors, (783), 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) [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:16:10,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:16:29,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:16:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:16:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:16:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:16:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:16:29,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:16:29,796 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 03:16:29,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-04-04 03:16:29,996 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:16:29,996 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:16:29,997 INFO L85 PathProgramCache]: Analyzing trace with hash -2141207494, now seen corresponding path program 9 times [2024-04-04 03:16:29,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:16:29,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9446329] [2024-04-04 03:16:29,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:16:29,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:16:30,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:16:31,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 1158 proven. 424 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-04-04 03:16:31,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:16:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9446329] [2024-04-04 03:16:31,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9446329] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:16:31,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014957798] [2024-04-04 03:16:31,714 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 03:16:31,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:16:31,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:16:31,716 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:16:31,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 03:16:36,547 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-04 03:16:36,547 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:16:36,562 INFO L262 TraceCheckSpWp]: Trace formula consists of 1139 conjuncts, 37 conjunts are in the unsatisfiable core [2024-04-04 03:16:36,568 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:16:37,466 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 1192 proven. 196 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2024-04-04 03:16:37,466 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:16:38,358 INFO L134 CoverageAnalysis]: Checked inductivity of 2506 backedges. 146 proven. 1242 refuted. 0 times theorem prover too weak. 1118 trivial. 0 not checked. [2024-04-04 03:16:38,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014957798] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:16:38,359 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:16:38,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 32, 32] total 83 [2024-04-04 03:16:38,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143128004] [2024-04-04 03:16:38,359 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:16:38,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2024-04-04 03:16:38,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:16:38,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2024-04-04 03:16:38,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1026, Invalid=5780, Unknown=0, NotChecked=0, Total=6806 [2024-04-04 03:16:38,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:16:38,370 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:16:38,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 8.337349397590362) internal successors, (692), 83 states have internal predecessors, (692), 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) [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:16:38,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:16:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:16:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:16:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:16:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:16:56,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:16:56,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:16:56,187 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 03:16:56,387 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-04-04 03:16:56,387 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:16:56,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:16:56,388 INFO L85 PathProgramCache]: Analyzing trace with hash 65827562, now seen corresponding path program 10 times [2024-04-04 03:16:56,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:16:56,388 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403713951] [2024-04-04 03:16:56,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:16:56,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:16:56,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:16:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 2563 backedges. 273 proven. 1222 refuted. 0 times theorem prover too weak. 1068 trivial. 0 not checked. [2024-04-04 03:16:58,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:16:58,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1403713951] [2024-04-04 03:16:58,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1403713951] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:16:58,351 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179081680] [2024-04-04 03:16:58,351 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 03:16:58,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:16:58,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:16:58,352 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:16:58,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 03:16:59,158 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 03:16:59,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:16:59,167 INFO L262 TraceCheckSpWp]: Trace formula consists of 1612 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 03:16:59,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:17:00,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2563 backedges. 1338 proven. 301 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-04-04 03:17:00,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:17:02,406 INFO L134 CoverageAnalysis]: Checked inductivity of 2563 backedges. 1336 proven. 303 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-04-04 03:17:02,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179081680] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:17:02,406 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:17:02,407 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 32, 31] total 89 [2024-04-04 03:17:02,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495315334] [2024-04-04 03:17:02,407 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:17:02,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2024-04-04 03:17:02,408 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:17:02,409 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2024-04-04 03:17:02,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=986, Invalid=6846, Unknown=0, NotChecked=0, Total=7832 [2024-04-04 03:17:02,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:02,411 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:17:02,412 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 11.359550561797754) internal successors, (1011), 89 states have internal predecessors, (1011), 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) [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:02,412 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:02,413 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:20,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:20,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:20,133 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 03:17:20,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-04-04 03:17:20,332 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:17:20,333 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:17:20,333 INFO L85 PathProgramCache]: Analyzing trace with hash 793864807, now seen corresponding path program 11 times [2024-04-04 03:17:20,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:17:20,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463339561] [2024-04-04 03:17:20,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:17:20,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:17:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:17:22,494 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 342 proven. 1357 refuted. 0 times theorem prover too weak. 994 trivial. 0 not checked. [2024-04-04 03:17:22,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:17:22,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463339561] [2024-04-04 03:17:22,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463339561] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:17:22,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479844244] [2024-04-04 03:17:22,495 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 03:17:22,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:22,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:17:22,503 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:17:22,508 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 03:17:35,050 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-04-04 03:17:35,050 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:17:35,072 INFO L262 TraceCheckSpWp]: Trace formula consists of 1640 conjuncts, 23 conjunts are in the unsatisfiable core [2024-04-04 03:17:35,078 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:17:35,590 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 1162 proven. 114 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2024-04-04 03:17:35,590 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:17:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2693 backedges. 987 proven. 783 refuted. 0 times theorem prover too weak. 923 trivial. 0 not checked. [2024-04-04 03:17:36,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479844244] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:17:36,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:17:36,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 6, 24] total 59 [2024-04-04 03:17:36,791 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580624002] [2024-04-04 03:17:36,791 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:17:36,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-04-04 03:17:36,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:17:36,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-04-04 03:17:36,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=466, Invalid=2956, Unknown=0, NotChecked=0, Total=3422 [2024-04-04 03:17:36,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:36,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:17:36,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 15.033898305084746) internal successors, (887), 59 states have internal predecessors, (887), 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) [2024-04-04 03:17:36,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:36,795 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:36,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:36,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:36,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:39,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:39,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:39,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:17:39,411 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 03:17:39,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:39,609 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:17:39,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:17:39,609 INFO L85 PathProgramCache]: Analyzing trace with hash 817577958, now seen corresponding path program 12 times [2024-04-04 03:17:39,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:17:39,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936084806] [2024-04-04 03:17:39,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:17:39,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:17:39,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:17:41,200 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 334 proven. 668 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked. [2024-04-04 03:17:41,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:17:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936084806] [2024-04-04 03:17:41,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936084806] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:17:41,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188835161] [2024-04-04 03:17:41,200 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 03:17:41,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:41,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:17:41,202 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:17:41,204 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 03:17:42,570 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-04-04 03:17:42,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:17:42,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 1136 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 03:17:42,593 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:17:43,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 509 proven. 126 refuted. 0 times theorem prover too weak. 901 trivial. 0 not checked. [2024-04-04 03:17:43,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:17:44,256 INFO L134 CoverageAnalysis]: Checked inductivity of 1536 backedges. 483 proven. 188 refuted. 0 times theorem prover too weak. 865 trivial. 0 not checked. [2024-04-04 03:17:44,256 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188835161] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:17:44,256 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:17:44,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 23, 27] total 78 [2024-04-04 03:17:44,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218027009] [2024-04-04 03:17:44,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:17:44,257 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-04-04 03:17:44,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:17:44,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-04-04 03:17:44,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=598, Invalid=5408, Unknown=0, NotChecked=0, Total=6006 [2024-04-04 03:17:44,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:44,261 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:17:44,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 11.166666666666666) internal successors, (871), 78 states have internal predecessors, (871), 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) [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:44,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:44,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:44,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:44,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:44,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:44,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:17:44,262 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:48,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:17:48,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:17:48,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-04 03:17:48,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:48,618 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:17:48,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:17:48,618 INFO L85 PathProgramCache]: Analyzing trace with hash -1746785635, now seen corresponding path program 13 times [2024-04-04 03:17:48,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:17:48,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774704002] [2024-04-04 03:17:48,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:17:48,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:17:48,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:17:50,360 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 416 proven. 697 refuted. 0 times theorem prover too weak. 537 trivial. 0 not checked. [2024-04-04 03:17:50,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:17:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774704002] [2024-04-04 03:17:50,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774704002] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:17:50,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [309527040] [2024-04-04 03:17:50,361 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 03:17:50,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:50,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:17:50,362 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:17:50,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-04 03:17:50,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:17:50,668 INFO L262 TraceCheckSpWp]: Trace formula consists of 1344 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 03:17:50,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:17:52,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 762 proven. 370 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-04-04 03:17:52,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:17:53,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 663 proven. 469 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2024-04-04 03:17:53,551 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [309527040] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:17:53,551 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:17:53,551 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 36, 36] total 100 [2024-04-04 03:17:53,551 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [182330934] [2024-04-04 03:17:53,551 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:17:53,552 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-04-04 03:17:53,552 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:17:53,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-04-04 03:17:53,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1377, Invalid=8523, Unknown=0, NotChecked=0, Total=9900 [2024-04-04 03:17:53,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:53,556 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:17:53,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 8.63) internal successors, (863), 100 states have internal predecessors, (863), 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) [2024-04-04 03:17:53,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:17:53,557 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:17:56,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:17:56,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:17:56,358 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-04-04 03:17:56,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:56,556 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:17:56,557 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:17:56,557 INFO L85 PathProgramCache]: Analyzing trace with hash 307002032, now seen corresponding path program 14 times [2024-04-04 03:17:56,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:17:56,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044477969] [2024-04-04 03:17:56,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:17:56,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:17:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:17:58,573 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 512 proven. 706 refuted. 0 times theorem prover too weak. 513 trivial. 0 not checked. [2024-04-04 03:17:58,573 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:17:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044477969] [2024-04-04 03:17:58,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044477969] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:17:58,573 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1030918789] [2024-04-04 03:17:58,573 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 03:17:58,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:17:58,574 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:17:58,575 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:17:58,577 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 03:17:58,928 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 03:17:58,928 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:17:58,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 1358 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-04 03:17:58,939 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:17:59,991 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 777 proven. 451 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2024-04-04 03:17:59,991 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:18:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 1731 backedges. 709 proven. 519 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2024-04-04 03:18:01,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1030918789] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:18:01,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:18:01,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 40] total 112 [2024-04-04 03:18:01,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620629706] [2024-04-04 03:18:01,183 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:18:01,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 112 states [2024-04-04 03:18:01,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:18:01,185 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2024-04-04 03:18:01,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1781, Invalid=10651, Unknown=0, NotChecked=0, Total=12432 [2024-04-04 03:18:01,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:18:01,188 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:18:01,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 112 states, 112 states have (on average 9.232142857142858) internal successors, (1034), 112 states have internal predecessors, (1034), 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) [2024-04-04 03:18:01,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:18:01,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:18:04,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:18:04,004 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:18:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:18:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:18:04,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:18:04,013 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 03:18:04,210 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-04-04 03:18:04,210 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:18:04,211 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:18:04,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1591792086, now seen corresponding path program 15 times [2024-04-04 03:18:04,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:18:04,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163888966] [2024-04-04 03:18:04,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:18:04,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:18:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:18:05,835 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 648 proven. 145 refuted. 0 times theorem prover too weak. 1124 trivial. 0 not checked. [2024-04-04 03:18:05,836 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:18:05,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163888966] [2024-04-04 03:18:05,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163888966] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:18:05,836 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122408199] [2024-04-04 03:18:05,836 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 03:18:05,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:18:05,836 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:18:05,837 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:18:05,840 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 03:18:17,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 13 check-sat command(s) [2024-04-04 03:18:17,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:18:17,913 INFO L262 TraceCheckSpWp]: Trace formula consists of 1372 conjuncts, 45 conjunts are in the unsatisfiable core [2024-04-04 03:18:17,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:18:19,076 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 765 proven. 138 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2024-04-04 03:18:19,076 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:18:19,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1917 backedges. 709 proven. 200 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2024-04-04 03:18:19,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122408199] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:18:19,879 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:18:19,879 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 32, 36] total 85 [2024-04-04 03:18:19,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980114796] [2024-04-04 03:18:19,879 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:18:19,880 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2024-04-04 03:18:19,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:18:19,881 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2024-04-04 03:18:19,883 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1387, Invalid=5753, Unknown=0, NotChecked=0, Total=7140 [2024-04-04 03:18:19,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:18:19,883 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:18:19,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 85 states have (on average 12.388235294117647) internal successors, (1053), 85 states have internal predecessors, (1053), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 03:18:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:18:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:18:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:18:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:18:19,883 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:18:19,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:18:23,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:18:23,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:18:23,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-04 03:18:23,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 03:18:23,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:18:23,766 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:18:23,766 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:18:23,766 INFO L85 PathProgramCache]: Analyzing trace with hash -983469230, now seen corresponding path program 16 times [2024-04-04 03:18:23,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:18:23,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690198356] [2024-04-04 03:18:23,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:18:23,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:18:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:18:26,131 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 692 proven. 692 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2024-04-04 03:18:26,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:18:26,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690198356] [2024-04-04 03:18:26,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690198356] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:18:26,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1465515007] [2024-04-04 03:18:26,131 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 03:18:26,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:18:26,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:18:26,133 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:18:26,134 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 03:18:27,140 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 03:18:27,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:18:27,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 1484 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 03:18:27,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:18:28,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 799 proven. 583 refuted. 0 times theorem prover too weak. 1046 trivial. 0 not checked. [2024-04-04 03:18:28,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:18:30,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 896 proven. 487 refuted. 0 times theorem prover too weak. 1045 trivial. 0 not checked. [2024-04-04 03:18:30,228 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1465515007] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:18:30,228 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:18:30,228 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 42] total 115 [2024-04-04 03:18:30,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348116905] [2024-04-04 03:18:30,228 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:18:30,229 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-04 03:18:30,229 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:18:30,231 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-04 03:18:30,233 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1896, Invalid=11214, Unknown=0, NotChecked=0, Total=13110 [2024-04-04 03:18:30,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:18:30,233 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:18:30,234 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 10.278260869565218) internal successors, (1182), 115 states have internal predecessors, (1182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:18:30,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:18:30,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:18:30,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-04 03:18:30,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:18:34,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-04 03:18:34,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-04 03:18:34,957 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 03:18:35,154 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-04-04 03:18:35,155 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:18:35,155 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:18:35,156 INFO L85 PathProgramCache]: Analyzing trace with hash -2146345072, now seen corresponding path program 17 times [2024-04-04 03:18:35,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:18:35,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373579579] [2024-04-04 03:18:35,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:18:35,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:18:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:18:37,672 INFO L134 CoverageAnalysis]: Checked inductivity of 4291 backedges. 1021 proven. 1634 refuted. 0 times theorem prover too weak. 1636 trivial. 0 not checked. [2024-04-04 03:18:37,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:18:37,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373579579] [2024-04-04 03:18:37,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373579579] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:18:37,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2019706903] [2024-04-04 03:18:37,673 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 03:18:37,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:18:37,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:18:37,683 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:18:37,684 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 03:21:16,524 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 22 check-sat command(s) [2024-04-04 03:21:16,524 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:21:16,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 1925 conjuncts, 54 conjunts are in the unsatisfiable core [2024-04-04 03:21:16,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:21:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 4291 backedges. 2455 proven. 822 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2024-04-04 03:21:19,270 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:21:22,845 INFO L134 CoverageAnalysis]: Checked inductivity of 4291 backedges. 2560 proven. 717 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2024-04-04 03:21:22,846 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2019706903] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:21:22,846 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:21:22,846 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 55, 54] total 141 [2024-04-04 03:21:22,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627003426] [2024-04-04 03:21:22,846 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:21:22,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-04-04 03:21:22,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:21:22,854 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-04-04 03:21:22,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3297, Invalid=16443, Unknown=0, NotChecked=0, Total=19740 [2024-04-04 03:21:22,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:21:22,863 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:21:22,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 10.446808510638299) internal successors, (1473), 141 states have internal predecessors, (1473), 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) [2024-04-04 03:21:22,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:21:22,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:21:22,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:21:22,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-04 03:21:22,865 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:21:31,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:21:31,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:21:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:21:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:21:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-04-04 03:21:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-04-04 03:21:31,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2024-04-04 03:21:31,462 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 03:21:31,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-04 03:21:31,644 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 03:21:31,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:21:31,645 INFO L85 PathProgramCache]: Analyzing trace with hash -2061139381, now seen corresponding path program 18 times [2024-04-04 03:21:31,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:21:31,660 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494666454] [2024-04-04 03:21:31,660 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:21:31,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:21:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:21:34,709 INFO L134 CoverageAnalysis]: Checked inductivity of 5605 backedges. 1119 proven. 1700 refuted. 0 times theorem prover too weak. 2786 trivial. 0 not checked. [2024-04-04 03:21:34,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:21:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494666454] [2024-04-04 03:21:34,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494666454] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:21:34,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519555871] [2024-04-04 03:21:34,710 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 03:21:34,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:21:34,710 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:21:34,711 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 03:21:34,712 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process Received shutdown request... [2024-04-04 03:28:10,907 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 03:28:10,907 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 03:28:10,931 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 03:28:11,936 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 [2024-04-04 03:28:11,960 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 [2024-04-04 03:28:12,137 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forcibly destroying the process [2024-04-04 03:28:12,154 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-04-04 03:28:12,154 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-04-04 03:28:12,154 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2024-04-04 03:28:12,154 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [390469353] [2024-04-04 03:28:12,154 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-04-04 03:28:12,155 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2024-04-04 03:28:12,155 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:28:12,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2024-04-04 03:28:12,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1253, Unknown=0, NotChecked=0, Total=1482 [2024-04-04 03:28:12,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:28:12,156 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:28:12,156 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 12.076923076923077) internal successors, (471), 39 states have internal predecessors, (471), 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) [2024-04-04 03:28:12,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 03:28:12,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 03:28:12,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 03:28:12,156 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 92 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 91 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 146 states. [2024-04-04 03:28:12,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:28:12,158 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forcibly destroying the process [2024-04-04 03:28:12,158 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-04 03:28:12,158 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2024-04-04 03:28:12,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2024-04-04 03:28:12,160 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2024-04-04 03:28:12,161 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2024-04-04 03:28:12,161 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2024-04-04 03:28:12,161 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2024-04-04 03:28:12,163 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 137 [2024-04-04 03:28:12,164 INFO L445 BasicCegarLoop]: Path program histogram: [18, 3, 1, 1, 1] [2024-04-04 03:28:12,167 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 03:28:12,167 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 03:28:12,169 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 03:28:12 BasicIcfg [2024-04-04 03:28:12,169 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 03:28:12,170 INFO L158 Benchmark]: Toolchain (without parser) took 847951.97ms. Allocated memory was 327.2MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 297.1MB in the beginning and 1.4GB in the end (delta: -1.1GB). Peak memory consumption was 612.1MB. Max. memory is 8.0GB. [2024-04-04 03:28:12,170 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 03:28:12,170 INFO L158 Benchmark]: CACSL2BoogieTranslator took 260.83ms. Allocated memory is still 327.2MB. Free memory was 297.1MB in the beginning and 283.9MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2024-04-04 03:28:12,170 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.48ms. Allocated memory is still 327.2MB. Free memory was 283.9MB in the beginning and 280.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 03:28:12,170 INFO L158 Benchmark]: Boogie Preprocessor took 38.36ms. Allocated memory is still 327.2MB. Free memory was 280.7MB in the beginning and 278.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 03:28:12,171 INFO L158 Benchmark]: RCFGBuilder took 674.77ms. Allocated memory is still 327.2MB. Free memory was 278.6MB in the beginning and 240.4MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2024-04-04 03:28:12,171 INFO L158 Benchmark]: TraceAbstraction took 846930.95ms. Allocated memory was 327.2MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 239.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 554.9MB. Max. memory is 8.0GB. [2024-04-04 03:28:12,172 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 186.6MB. Free memory is still 155.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 260.83ms. Allocated memory is still 327.2MB. Free memory was 297.1MB in the beginning and 283.9MB in the end (delta: 13.3MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 41.48ms. Allocated memory is still 327.2MB. Free memory was 283.9MB in the beginning and 280.7MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 38.36ms. Allocated memory is still 327.2MB. Free memory was 280.7MB in the beginning and 278.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 674.77ms. Allocated memory is still 327.2MB. Free memory was 278.6MB in the beginning and 240.4MB in the end (delta: 38.3MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * TraceAbstraction took 846930.95ms. Allocated memory was 327.2MB in the beginning and 2.1GB in the end (delta: 1.7GB). Free memory was 239.3MB in the beginning and 1.4GB in the end (delta: -1.2GB). Peak memory consumption was 554.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1583569, independent: 1414106, independent conditional: 1400527, independent unconditional: 13579, dependent: 169463, dependent conditional: 163620, dependent unconditional: 5843, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1427264, independent: 1414106, independent conditional: 1400527, independent unconditional: 13579, dependent: 13158, dependent conditional: 13027, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1427264, independent: 1414106, independent conditional: 1400527, independent unconditional: 13579, dependent: 13158, dependent conditional: 13027, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1427264, independent: 1414106, independent conditional: 1400527, independent unconditional: 13579, dependent: 13158, dependent conditional: 13027, dependent unconditional: 131, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1491431, independent: 1414106, independent conditional: 111707, independent unconditional: 1302399, dependent: 77325, dependent conditional: 50773, dependent unconditional: 26552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1491431, independent: 1414106, independent conditional: 34649, independent unconditional: 1379457, dependent: 77325, dependent conditional: 25910, dependent unconditional: 51415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1491431, independent: 1414106, independent conditional: 34649, independent unconditional: 1379457, dependent: 77325, dependent conditional: 25910, dependent unconditional: 51415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1244, independent: 1115, independent conditional: 4, independent unconditional: 1111, dependent: 129, dependent conditional: 117, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1244, independent: 1109, independent conditional: 0, independent unconditional: 1109, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 135, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 129, dependent conditional: 117, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 135, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 129, dependent conditional: 117, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, independent: 19, independent conditional: 13, independent unconditional: 6, dependent: 325, dependent conditional: 258, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1491431, independent: 1412991, independent conditional: 34645, independent unconditional: 1378346, dependent: 77196, dependent conditional: 25793, dependent unconditional: 51403, unknown: 1244, unknown conditional: 121, unknown unconditional: 1123] , Statistics on independence cache: Total cache size (in pairs): 1244, Positive cache size: 1115, Positive conditional cache size: 4, Positive unconditional cache size: 1111, Negative cache size: 129, Negative conditional cache size: 117, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 101921, Maximal queried relation: 13, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1491431, independent: 1414106, independent conditional: 111707, independent unconditional: 1302399, dependent: 77325, dependent conditional: 50773, dependent unconditional: 26552, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1491431, independent: 1414106, independent conditional: 34649, independent unconditional: 1379457, dependent: 77325, dependent conditional: 25910, dependent unconditional: 51415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1491431, independent: 1414106, independent conditional: 34649, independent unconditional: 1379457, dependent: 77325, dependent conditional: 25910, dependent unconditional: 51415, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1244, independent: 1115, independent conditional: 4, independent unconditional: 1111, dependent: 129, dependent conditional: 117, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1244, independent: 1109, independent conditional: 0, independent unconditional: 1109, dependent: 135, dependent conditional: 0, dependent unconditional: 135, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 135, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 129, dependent conditional: 117, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 135, independent: 6, independent conditional: 4, independent unconditional: 2, dependent: 129, dependent conditional: 117, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 344, independent: 19, independent conditional: 13, independent unconditional: 6, dependent: 325, dependent conditional: 258, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1491431, independent: 1412991, independent conditional: 34645, independent unconditional: 1378346, dependent: 77196, dependent conditional: 25793, dependent unconditional: 51403, unknown: 1244, unknown conditional: 121, unknown unconditional: 1123] , Statistics on independence cache: Total cache size (in pairs): 1244, Positive cache size: 1115, Positive conditional cache size: 4, Positive unconditional cache size: 1111, Negative cache size: 129, Negative conditional cache size: 117, Negative unconditional cache size: 12, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 101921 ], Independence queries for same thread: 156305 - TimeoutResultAtElement [Line: 155]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 148]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 147]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 145]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 146]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 287 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 846.8s, OverallIterations: 22, TraceHistogramMax: 0, PathProgramHistogramMax: 18, EmptinessCheckTime: 182.5s, 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: 1074, 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: 1.4s SsaConstructionTime, 194.4s SatisfiabilityAnalysisTime, 63.9s InterpolantComputationTime, 20638 NumberOfCodeBlocks, 20224 NumberOfCodeBlocksAsserted, 134 NumberOfCheckSat, 29491 ConstructedInterpolants, 0 QuantifiedInterpolants, 128043 SizeOfPredicates, 314 NumberOfNonLiveVariables, 23504 ConjunctsInSsa, 524 ConjunctsInUnsatCore, 60 InterpolantComputations, 3 PerfectInterpolantSequences, 71557/92494 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown