/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 00:24:01,662 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 00:24:01,728 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 00:24:01,731 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 00:24:01,731 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 00:24:01,754 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 00:24:01,754 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 00:24:01,755 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 00:24:01,755 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 00:24:01,758 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 00:24:01,759 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 00:24:01,759 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 00:24:01,759 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 00:24:01,760 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 00:24:01,760 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 00:24:01,761 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 00:24:01,761 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 00:24:01,761 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 00:24:01,761 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 00:24:01,761 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 00:24:01,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 00:24:01,762 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 00:24:01,762 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 00:24:01,762 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 00:24:01,762 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 00:24:01,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 00:24:01,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 00:24:01,763 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 00:24:01,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 00:24:01,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 00:24:01,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 00:24:01,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 00:24:01,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 00:24:01,764 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 00:24:01,764 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 00:24:01,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 00:24:01,764 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 00:24:01,765 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 00:24:01,765 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 00:24:01,765 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-05-05 00:24:02,012 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 00:24:02,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 00:24:02,042 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 00:24:02,043 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 00:24:02,043 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 00:24:02,044 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2024-05-05 00:24:03,074 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 00:24:03,260 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 00:24:03,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-min-array-hom.wvr.c [2024-05-05 00:24:03,266 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b7bc275a5/36ee16a940f949abb4865d6bd84e27a5/FLAGd4deaddb1 [2024-05-05 00:24:03,277 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/b7bc275a5/36ee16a940f949abb4865d6bd84e27a5 [2024-05-05 00:24:03,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 00:24:03,280 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 00:24:03,281 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 00:24:03,281 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 00:24:03,285 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 00:24:03,285 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61d0d38b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03, skipping insertion in model container [2024-05-05 00:24:03,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 00:24:03,425 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-min-array-hom.wvr.c[2586,2599] [2024-05-05 00:24:03,432 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 00:24:03,439 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 00:24:03,455 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-min-array-hom.wvr.c[2586,2599] [2024-05-05 00:24:03,458 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 00:24:03,463 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 00:24:03,463 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 00:24:03,471 INFO L206 MainTranslator]: Completed translation [2024-05-05 00:24:03,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03 WrapperNode [2024-05-05 00:24:03,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 00:24:03,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 00:24:03,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 00:24:03,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 00:24:03,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,522 INFO L138 Inliner]: procedures = 24, calls = 43, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 105 [2024-05-05 00:24:03,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 00:24:03,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 00:24:03,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 00:24:03,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 00:24:03,529 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,531 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,532 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,543 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,547 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,549 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,550 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,552 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 00:24:03,552 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 00:24:03,552 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 00:24:03,552 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 00:24:03,553 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (1/1) ... [2024-05-05 00:24:03,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 00:24:03,573 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:03,604 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 00:24:03,622 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 00:24:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 00:24:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 00:24:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 00:24:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 00:24:03,645 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 00:24:03,645 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 00:24:03,646 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 00:24:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 00:24:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 00:24:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 00:24:03,646 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 00:24:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 00:24:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-05 00:24:03,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 00:24:03,647 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 00:24:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 00:24:03,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 00:24:03,649 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 00:24:03,752 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 00:24:03,754 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 00:24:04,021 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 00:24:04,074 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 00:24:04,074 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-05-05 00:24:04,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 12:24:04 BoogieIcfgContainer [2024-05-05 00:24:04,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 00:24:04,077 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 00:24:04,077 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 00:24:04,080 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 00:24:04,080 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 12:24:03" (1/3) ... [2024-05-05 00:24:04,080 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9b8714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 12:24:04, skipping insertion in model container [2024-05-05 00:24:04,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 12:24:03" (2/3) ... [2024-05-05 00:24:04,081 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c9b8714 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 12:24:04, skipping insertion in model container [2024-05-05 00:24:04,081 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 12:24:04" (3/3) ... [2024-05-05 00:24:04,082 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-min-array-hom.wvr.c [2024-05-05 00:24:04,088 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 00:24:04,095 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 00:24:04,095 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 00:24:04,095 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 00:24:04,170 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-05 00:24:04,210 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 00:24:04,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 00:24:04,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:04,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 00:24:04,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 00:24:04,240 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 00:24:04,259 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:04,260 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 00:24:04,266 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;@1adcee10, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 00:24:04,266 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 00:24:04,485 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:04,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:04,487 INFO L85 PathProgramCache]: Analyzing trace with hash -558164939, now seen corresponding path program 1 times [2024-05-05 00:24:04,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:04,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575741894] [2024-05-05 00:24:04,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:04,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:04,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:04,722 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 00:24:04,723 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:04,723 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575741894] [2024-05-05 00:24:04,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575741894] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 00:24:04,724 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 00:24:04,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 00:24:04,725 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298663352] [2024-05-05 00:24:04,725 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 00:24:04,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 00:24:04,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:04,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 00:24:04,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 00:24:04,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:04,861 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:04,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:04,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:04,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:04,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 00:24:04,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:04,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:04,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1646641701, now seen corresponding path program 1 times [2024-05-05 00:24:04,932 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:04,932 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1950843098] [2024-05-05 00:24:04,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:04,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:04,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:05,305 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-05 00:24:05,305 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:05,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1950843098] [2024-05-05 00:24:05,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1950843098] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 00:24:05,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 00:24:05,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-05 00:24:05,306 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100310040] [2024-05-05 00:24:05,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 00:24:05,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-05 00:24:05,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:05,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-05 00:24:05,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-05 00:24:05,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:05,323 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:05,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 17.0) internal successors, (119), 7 states have internal predecessors, (119), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:05,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:05,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:05,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:05,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:05,537 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 00:24:05,538 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:05,538 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:05,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1620260655, now seen corresponding path program 1 times [2024-05-05 00:24:05,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:05,539 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384991091] [2024-05-05 00:24:05,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:05,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:05,949 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:05,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:05,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384991091] [2024-05-05 00:24:05,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384991091] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:05,950 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518065048] [2024-05-05 00:24:05,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:05,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:05,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:05,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:05,985 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 00:24:06,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:06,059 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-05 00:24:06,067 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:06,338 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:06,551 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:06,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518065048] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:06,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:06,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-05-05 00:24:06,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734171502] [2024-05-05 00:24:06,552 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:06,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-05-05 00:24:06,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:06,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-05-05 00:24:06,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-05-05 00:24:06,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:06,589 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:06,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 9.375) internal successors, (225), 24 states have internal predecessors, (225), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:06,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:06,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:06,590 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:06,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:06,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:06,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-05 00:24:07,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-05 00:24:07,061 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:07,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:07,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1285029319, now seen corresponding path program 2 times [2024-05-05 00:24:07,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:07,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115698543] [2024-05-05 00:24:07,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:07,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:07,405 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:07,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:07,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115698543] [2024-05-05 00:24:07,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115698543] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:07,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431257530] [2024-05-05 00:24:07,411 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 00:24:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:07,426 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:07,436 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 00:24:07,534 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 00:24:07,534 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:07,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-05 00:24:07,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:07,789 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-05 00:24:07,789 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:08,004 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-05-05 00:24:08,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431257530] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:08,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:08,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 11, 11] total 29 [2024-05-05 00:24:08,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333523895] [2024-05-05 00:24:08,005 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:08,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-05-05 00:24:08,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:08,027 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-05-05 00:24:08,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=721, Unknown=0, NotChecked=0, Total=812 [2024-05-05 00:24:08,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:08,028 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:08,029 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 8.586206896551724) internal successors, (249), 29 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:08,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:08,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:08,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:08,029 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:09,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:09,480 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-05-05 00:24:09,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:09,682 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:09,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:09,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1319334443, now seen corresponding path program 1 times [2024-05-05 00:24:09,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:09,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903502548] [2024-05-05 00:24:09,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:09,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:09,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:09,974 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:24:09,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:09,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903502548] [2024-05-05 00:24:09,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903502548] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:09,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [968840483] [2024-05-05 00:24:09,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:09,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:09,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:09,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 00:24:10,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:10,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 00:24:10,094 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 20 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-05 00:24:10,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:10,728 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-05 00:24:10,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [968840483] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:10,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:10,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 38 [2024-05-05 00:24:10,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203000276] [2024-05-05 00:24:10,732 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:10,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2024-05-05 00:24:10,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:10,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2024-05-05 00:24:10,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1204, Unknown=0, NotChecked=0, Total=1406 [2024-05-05 00:24:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:10,773 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:10,773 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 7.342105263157895) internal successors, (279), 38 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:10,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:10,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:10,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:10,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:10,773 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:11,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-05 00:24:11,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:11,451 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:11,451 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:11,451 INFO L85 PathProgramCache]: Analyzing trace with hash -758601163, now seen corresponding path program 2 times [2024-05-05 00:24:11,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:11,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104137528] [2024-05-05 00:24:11,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:11,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:11,761 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 16 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:24:11,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:11,762 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104137528] [2024-05-05 00:24:11,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104137528] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:11,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2116368283] [2024-05-05 00:24:11,763 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 00:24:11,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:11,763 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:11,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:11,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-05 00:24:11,925 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 00:24:11,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:11,927 INFO L262 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-05 00:24:11,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 24 proven. 34 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:24:12,204 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:12,506 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:24:12,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2116368283] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:12,506 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2024-05-05 00:24:12,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956233425] [2024-05-05 00:24:12,507 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:12,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-05-05 00:24:12,507 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:12,552 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-05-05 00:24:12,552 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=204, Invalid=918, Unknown=0, NotChecked=0, Total=1122 [2024-05-05 00:24:12,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:12,552 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:12,553 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.617647058823529) internal successors, (293), 34 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:12,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:12,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:12,553 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:12,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:12,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:12,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:12,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:12,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:12,882 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-05 00:24:13,079 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-05 00:24:13,080 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:13,080 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:13,080 INFO L85 PathProgramCache]: Analyzing trace with hash -690479566, now seen corresponding path program 3 times [2024-05-05 00:24:13,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:13,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680044219] [2024-05-05 00:24:13,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:13,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:13,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 53 proven. 43 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:24:13,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:13,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680044219] [2024-05-05 00:24:13,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680044219] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:13,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1732610445] [2024-05-05 00:24:13,418 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 00:24:13,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:13,419 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:13,437 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:13,484 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-05 00:24:13,612 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-05-05 00:24:13,612 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:13,614 INFO L262 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-05 00:24:13,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:14,103 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-05 00:24:14,103 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:14,636 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 21 proven. 48 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-05-05 00:24:14,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1732610445] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:14,637 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:14,637 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 17, 17] total 49 [2024-05-05 00:24:14,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108104154] [2024-05-05 00:24:14,637 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:14,638 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-05-05 00:24:14,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:14,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-05-05 00:24:14,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=2193, Unknown=0, NotChecked=0, Total=2352 [2024-05-05 00:24:14,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:14,666 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:14,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.122448979591836) internal successors, (349), 49 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:14,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:18,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:18,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:19,000 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-05 00:24:19,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:19,193 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:19,193 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:19,193 INFO L85 PathProgramCache]: Analyzing trace with hash 340747784, now seen corresponding path program 4 times [2024-05-05 00:24:19,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:19,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552967102] [2024-05-05 00:24:19,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:19,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 170 proven. 65 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 00:24:19,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:19,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552967102] [2024-05-05 00:24:19,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552967102] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:19,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198447864] [2024-05-05 00:24:19,617 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 00:24:19,617 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:19,617 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:19,618 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:19,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-05 00:24:19,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 00:24:19,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:19,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 22 conjunts are in the unsatisfiable core [2024-05-05 00:24:19,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 120 proven. 68 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-05 00:24:20,268 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:20,892 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 136 proven. 52 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-05-05 00:24:20,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198447864] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:20,892 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:20,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 61 [2024-05-05 00:24:20,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106604753] [2024-05-05 00:24:20,892 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:20,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 61 states [2024-05-05 00:24:20,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:20,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2024-05-05 00:24:20,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=3197, Unknown=0, NotChecked=0, Total=3660 [2024-05-05 00:24:20,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:20,965 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:20,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 61 states, 61 states have (on average 6.622950819672131) internal successors, (404), 61 states have internal predecessors, (404), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:20,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:20,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:20,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:20,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:21,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:21,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:21,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-05 00:24:21,766 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-05-05 00:24:21,767 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:21,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:21,767 INFO L85 PathProgramCache]: Analyzing trace with hash -1524266434, now seen corresponding path program 5 times [2024-05-05 00:24:21,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:21,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1256625713] [2024-05-05 00:24:21,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:21,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:22,323 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 158 proven. 117 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:24:22,323 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1256625713] [2024-05-05 00:24:22,323 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1256625713] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:22,323 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881153377] [2024-05-05 00:24:22,324 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 00:24:22,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:22,324 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:22,325 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:22,327 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-05 00:24:22,489 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2024-05-05 00:24:22,489 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:22,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 440 conjuncts, 36 conjunts are in the unsatisfiable core [2024-05-05 00:24:22,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 165 proven. 111 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:23,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:24,876 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 191 proven. 85 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:24,877 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881153377] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:24,877 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:24,877 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 37, 37] total 95 [2024-05-05 00:24:24,877 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548297909] [2024-05-05 00:24:24,877 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:24,878 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 95 states [2024-05-05 00:24:24,878 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:24,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2024-05-05 00:24:24,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1189, Invalid=7741, Unknown=0, NotChecked=0, Total=8930 [2024-05-05 00:24:24,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:24,948 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:24,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 5.71578947368421) internal successors, (543), 95 states have internal predecessors, (543), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:24,949 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:26,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:24:26,296 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-05 00:24:26,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:26,480 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:26,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:26,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1757156738, now seen corresponding path program 6 times [2024-05-05 00:24:26,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:26,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523327512] [2024-05-05 00:24:26,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:26,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:26,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 91 proven. 430 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-05-05 00:24:27,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523327512] [2024-05-05 00:24:27,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [523327512] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117095987] [2024-05-05 00:24:27,071 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 00:24:27,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:27,071 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:27,072 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:27,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-05 00:24:27,379 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2024-05-05 00:24:27,379 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:27,382 INFO L262 TraceCheckSpWp]: Trace formula consists of 510 conjuncts, 32 conjunts are in the unsatisfiable core [2024-05-05 00:24:27,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:28,425 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 35 proven. 155 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-05-05 00:24:28,425 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:29,671 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 169 proven. 21 refuted. 0 times theorem prover too weak. 452 trivial. 0 not checked. [2024-05-05 00:24:29,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117095987] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:29,671 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:29,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 33, 29] total 84 [2024-05-05 00:24:29,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290058928] [2024-05-05 00:24:29,672 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:29,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 84 states [2024-05-05 00:24:29,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:29,741 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2024-05-05 00:24:29,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=557, Invalid=6415, Unknown=0, NotChecked=0, Total=6972 [2024-05-05 00:24:29,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:29,743 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:29,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 84 states, 84 states have (on average 5.5476190476190474) internal successors, (466), 84 states have internal predecessors, (466), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:29,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:24:29,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:38,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:24:38,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2024-05-05 00:24:38,694 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-05-05 00:24:38,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-05-05 00:24:38,894 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:24:38,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:38,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1665565680, now seen corresponding path program 7 times [2024-05-05 00:24:38,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:38,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132682003] [2024-05-05 00:24:38,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:38,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:38,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:40,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 461 proven. 692 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 00:24:40,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:40,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [132682003] [2024-05-05 00:24:40,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [132682003] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:40,301 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [318405949] [2024-05-05 00:24:40,301 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 00:24:40,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:40,301 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:40,302 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:40,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-05 00:24:40,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:40,480 INFO L262 TraceCheckSpWp]: Trace formula consists of 622 conjuncts, 50 conjunts are in the unsatisfiable core [2024-05-05 00:24:40,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:42,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 566 proven. 476 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-05 00:24:42,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:44,612 INFO L134 CoverageAnalysis]: Checked inductivity of 1161 backedges. 591 proven. 451 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2024-05-05 00:24:44,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [318405949] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:44,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:44,613 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 144 [2024-05-05 00:24:44,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295387909] [2024-05-05 00:24:44,613 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:44,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 144 states [2024-05-05 00:24:44,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:44,811 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2024-05-05 00:24:44,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2293, Invalid=18299, Unknown=0, NotChecked=0, Total=20592 [2024-05-05 00:24:44,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:44,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:44,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 144 states, 144 states have (on average 5.069444444444445) internal successors, (730), 144 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2024-05-05 00:24:44,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:46,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 216 states. [2024-05-05 00:24:46,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-05-05 00:24:46,707 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-05-05 00:24:46,902 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,SelfDestructingSolverStorable10 [2024-05-05 00:24:46,902 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 1 more)] === [2024-05-05 00:24:46,902 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:24:46,902 INFO L85 PathProgramCache]: Analyzing trace with hash -372056666, now seen corresponding path program 8 times [2024-05-05 00:24:46,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:24:46,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968468546] [2024-05-05 00:24:46,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:24:46,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:24:46,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:24:48,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 380 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:24:48,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:24:48,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968468546] [2024-05-05 00:24:48,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968468546] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:24:48,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035689274] [2024-05-05 00:24:48,231 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 00:24:48,231 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:24:48,231 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:24:48,232 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:24:48,234 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-05 00:24:48,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 00:24:48,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:24:48,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 54 conjunts are in the unsatisfiable core [2024-05-05 00:24:48,398 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:24:49,974 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 572 proven. 596 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-05 00:24:49,974 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:24:52,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1250 backedges. 628 proven. 540 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2024-05-05 00:24:52,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035689274] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:24:52,234 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:24:52,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 55, 55] total 156 [2024-05-05 00:24:52,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014678301] [2024-05-05 00:24:52,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:24:52,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 156 states [2024-05-05 00:24:52,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:24:52,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2024-05-05 00:24:52,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2108, Invalid=22072, Unknown=0, NotChecked=0, Total=24180 [2024-05-05 00:24:52,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:52,405 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:24:52,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 156 states, 156 states have (on average 5.448717948717949) internal successors, (850), 156 states have internal predecessors, (850), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:24:52,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:24:52,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:24:52,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:24:52,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 216 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-05-05 00:24:52,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:25:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2024-05-05 00:25:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:25:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:25:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:25:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:25:00,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2024-05-05 00:25:00,151 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-05 00:25:00,340 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:25:00,341 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 1 more)] === [2024-05-05 00:25:00,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:25:00,341 INFO L85 PathProgramCache]: Analyzing trace with hash 753337852, now seen corresponding path program 9 times [2024-05-05 00:25:00,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:25:00,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50335091] [2024-05-05 00:25:00,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:25:00,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:25:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:25:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 710 proven. 950 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 00:25:02,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:25:02,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50335091] [2024-05-05 00:25:02,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50335091] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:25:02,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [628038406] [2024-05-05 00:25:02,276 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 00:25:02,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:25:02,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:25:02,282 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:25:02,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-05 00:25:03,227 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2024-05-05 00:25:03,227 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:25:03,235 INFO L262 TraceCheckSpWp]: Trace formula consists of 692 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-05 00:25:03,240 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:25:07,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 0 proven. 1031 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-05 00:25:07,840 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:25:12,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1668 backedges. 785 proven. 246 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2024-05-05 00:25:12,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [628038406] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:25:12,490 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:25:12,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59, 75, 65] total 195 [2024-05-05 00:25:12,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919362294] [2024-05-05 00:25:12,491 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:25:12,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-05-05 00:25:12,492 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:25:12,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-05-05 00:25:12,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2220, Invalid=35610, Unknown=0, NotChecked=0, Total=37830 [2024-05-05 00:25:12,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:25:12,651 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:25:12,651 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 4.343589743589743) internal successors, (847), 195 states have internal predecessors, (847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:25:12,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2024-05-05 00:25:12,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:00,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:00,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:00,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-05-05 00:26:01,185 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,SelfDestructingSolverStorable12 [2024-05-05 00:26:01,186 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 1 more)] === [2024-05-05 00:26:01,186 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:26:01,186 INFO L85 PathProgramCache]: Analyzing trace with hash 868158298, now seen corresponding path program 10 times [2024-05-05 00:26:01,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:26:01,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211210726] [2024-05-05 00:26:01,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:26:01,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:26:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:26:03,398 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1357 proven. 984 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 00:26:03,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:26:03,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211210726] [2024-05-05 00:26:03,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211210726] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:26:03,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922040590] [2024-05-05 00:26:03,399 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 00:26:03,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:26:03,399 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:26:03,400 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:26:03,402 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-05 00:26:03,585 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 00:26:03,585 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:26:03,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 699 conjuncts, 62 conjunts are in the unsatisfiable core [2024-05-05 00:26:03,592 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:26:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1160 proven. 808 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-05-05 00:26:05,634 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:26:08,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2377 backedges. 1226 proven. 742 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2024-05-05 00:26:08,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922040590] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:26:08,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:26:08,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63, 63, 63] total 181 [2024-05-05 00:26:08,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532777357] [2024-05-05 00:26:08,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:26:08,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 181 states [2024-05-05 00:26:08,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:26:08,885 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2024-05-05 00:26:08,886 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3430, Invalid=29150, Unknown=0, NotChecked=0, Total=32580 [2024-05-05 00:26:08,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:08,887 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:26:08,887 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 181 states, 181 states have (on average 5.066298342541437) internal successors, (917), 181 states have internal predecessors, (917), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:08,887 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:08,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:08,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:08,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:08,888 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:10,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:10,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:10,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-05 00:26:11,022 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,SelfDestructingSolverStorable13 [2024-05-05 00:26:11,022 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 1 more)] === [2024-05-05 00:26:11,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:26:11,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1151653348, now seen corresponding path program 11 times [2024-05-05 00:26:11,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:26:11,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776911541] [2024-05-05 00:26:11,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:26:11,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:26:11,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:26:13,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 1577 proven. 912 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:26:13,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:26:13,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776911541] [2024-05-05 00:26:13,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776911541] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:26:13,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472424195] [2024-05-05 00:26:13,381 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 00:26:13,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:26:13,381 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:26:13,382 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:26:13,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-05 00:26:14,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2024-05-05 00:26:14,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:26:14,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-05 00:26:14,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:26:16,650 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 1634 proven. 855 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:26:16,650 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:26:18,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2490 backedges. 1634 proven. 855 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:26:18,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472424195] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:26:18,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:26:18,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 164 [2024-05-05 00:26:18,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95312251] [2024-05-05 00:26:18,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:26:18,951 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 164 states [2024-05-05 00:26:18,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:26:19,381 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2024-05-05 00:26:19,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3730, Invalid=23002, Unknown=0, NotChecked=0, Total=26732 [2024-05-05 00:26:19,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:19,382 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:26:19,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 164 states, 164 states have (on average 5.951219512195122) internal successors, (976), 164 states have internal predecessors, (976), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:19,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:19,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:19,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:19,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:19,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:19,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:19,384 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:21,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:21,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:26:21,270 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-05 00:26:21,470 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,SelfDestructingSolverStorable14 [2024-05-05 00:26:21,471 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 1 more)] === [2024-05-05 00:26:21,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:26:21,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1929087378, now seen corresponding path program 12 times [2024-05-05 00:26:21,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:26:21,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813744315] [2024-05-05 00:26:21,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:26:21,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:26:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:26:24,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1101 proven. 1474 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 00:26:24,202 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:26:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813744315] [2024-05-05 00:26:24,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [813744315] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:26:24,202 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798948761] [2024-05-05 00:26:24,203 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 00:26:24,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:26:24,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:26:24,213 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:26:24,237 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-05 00:26:26,592 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 17 check-sat command(s) [2024-05-05 00:26:26,593 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:26:26,604 INFO L262 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 72 conjunts are in the unsatisfiable core [2024-05-05 00:26:26,609 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:26:29,749 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1291 proven. 1320 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:26:29,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:26:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1635 proven. 976 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:26:32,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798948761] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:26:32,929 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:26:32,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 73, 73] total 210 [2024-05-05 00:26:32,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595376499] [2024-05-05 00:26:32,930 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:26:32,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 210 states [2024-05-05 00:26:32,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:26:33,300 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 210 interpolants. [2024-05-05 00:26:33,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3567, Invalid=40323, Unknown=0, NotChecked=0, Total=43890 [2024-05-05 00:26:33,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:33,302 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:26:33,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 210 states, 210 states have (on average 5.79047619047619) internal successors, (1216), 210 states have internal predecessors, (1216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:26:33,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:35,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:26:35,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:26:35,834 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-05-05 00:26:36,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2024-05-05 00:26:36,034 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 1 more)] === [2024-05-05 00:26:36,035 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:26:36,035 INFO L85 PathProgramCache]: Analyzing trace with hash 156842370, now seen corresponding path program 13 times [2024-05-05 00:26:36,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:26:36,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897167142] [2024-05-05 00:26:36,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:26:36,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:26:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:26:38,586 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 886 proven. 1983 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-05-05 00:26:38,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:26:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897167142] [2024-05-05 00:26:38,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897167142] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:26:38,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [54734342] [2024-05-05 00:26:38,587 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 00:26:38,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:26:38,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:26:38,591 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:26:38,593 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-05 00:26:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:26:38,825 INFO L262 TraceCheckSpWp]: Trace formula consists of 825 conjuncts, 78 conjunts are in the unsatisfiable core [2024-05-05 00:26:38,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:26:42,834 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 1329 proven. 1328 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-05-05 00:26:42,834 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:26:47,109 INFO L134 CoverageAnalysis]: Checked inductivity of 2877 backedges. 1415 proven. 1242 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2024-05-05 00:26:47,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [54734342] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:26:47,110 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:26:47,110 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71, 79, 79] total 224 [2024-05-05 00:26:47,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197209999] [2024-05-05 00:26:47,110 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:26:47,111 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 224 states [2024-05-05 00:26:47,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:26:47,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 224 interpolants. [2024-05-05 00:26:47,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4286, Invalid=45666, Unknown=0, NotChecked=0, Total=49952 [2024-05-05 00:26:47,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:47,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:26:47,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 224 states, 224 states have (on average 5.125) internal successors, (1148), 224 states have internal predecessors, (1148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:26:47,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:26:47,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:26:57,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:26:57,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:26:57,782 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-05 00:26:57,968 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-05-05 00:26:57,968 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 1 more)] === [2024-05-05 00:26:57,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:26:57,968 INFO L85 PathProgramCache]: Analyzing trace with hash -997082199, now seen corresponding path program 14 times [2024-05-05 00:26:57,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:26:57,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402882997] [2024-05-05 00:26:57,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:26:57,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:26:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:27:01,397 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1677 proven. 2038 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 00:27:01,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:27:01,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402882997] [2024-05-05 00:27:01,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1402882997] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:27:01,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290971800] [2024-05-05 00:27:01,397 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 00:27:01,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:27:01,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:27:01,398 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:27:01,401 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-05 00:27:01,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 00:27:01,653 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:27:01,657 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-05 00:27:01,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:27:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1836 proven. 1432 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-05-05 00:27:05,477 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:27:09,261 INFO L134 CoverageAnalysis]: Checked inductivity of 3751 backedges. 1881 proven. 1387 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-05-05 00:27:09,261 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290971800] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:27:09,261 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:27:09,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 240 [2024-05-05 00:27:09,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452563204] [2024-05-05 00:27:09,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:27:09,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 240 states [2024-05-05 00:27:09,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:27:09,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2024-05-05 00:27:09,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6011, Invalid=51349, Unknown=0, NotChecked=0, Total=57360 [2024-05-05 00:27:09,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:27:09,766 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:27:09,766 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 240 states, 240 states have (on average 4.779166666666667) internal successors, (1147), 240 states have internal predecessors, (1147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:27:09,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:27:09,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:27:09,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:27:09,767 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:27:13,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:27:13,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:27:13,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-05-05 00:27:13,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-05-05 00:27:13,677 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 1 more)] === [2024-05-05 00:27:13,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:27:13,678 INFO L85 PathProgramCache]: Analyzing trace with hash 340532063, now seen corresponding path program 15 times [2024-05-05 00:27:13,678 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:27:13,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [656445005] [2024-05-05 00:27:13,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:27:13,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:27:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:27:16,623 INFO L134 CoverageAnalysis]: Checked inductivity of 3904 backedges. 1279 proven. 2625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 00:27:16,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:27:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [656445005] [2024-05-05 00:27:16,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [656445005] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:27:16,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180611713] [2024-05-05 00:27:16,624 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 00:27:16,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:27:16,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:27:16,625 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) [2024-05-05 00:27:16,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-05 00:27:21,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-05 00:27:21,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:27:21,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 80 conjunts are in the unsatisfiable core [2024-05-05 00:27:21,308 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:27:26,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3904 backedges. 19 proven. 2345 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-05 00:27:26,733 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:27:32,789 INFO L134 CoverageAnalysis]: Checked inductivity of 3904 backedges. 19 proven. 2345 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-05 00:27:32,790 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180611713] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:27:32,790 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:27:32,790 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 81, 81] total 239 [2024-05-05 00:27:32,790 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396087118] [2024-05-05 00:27:32,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:27:32,791 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 239 states [2024-05-05 00:27:32,791 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:27:33,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 239 interpolants. [2024-05-05 00:27:33,074 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3633, Invalid=53249, Unknown=0, NotChecked=0, Total=56882 [2024-05-05 00:27:33,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:27:33,074 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:27:33,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 239 states, 239 states have (on average 4.845188284518828) internal successors, (1158), 239 states have internal predecessors, (1158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:27:33,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:27:33,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:27:33,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:27:33,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:27:33,074 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:27:33,075 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:29:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:29:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:29:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:29:06,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-05 00:29:06,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:29:06,917 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 1 more)] === [2024-05-05 00:29:06,918 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:29:06,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1297121951, now seen corresponding path program 16 times [2024-05-05 00:29:06,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:29:06,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540818953] [2024-05-05 00:29:06,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:29:06,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:29:07,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:29:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 12214 backedges. 9420 proven. 2793 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:29:38,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:29:38,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540818953] [2024-05-05 00:29:38,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540818953] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:29:38,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901096715] [2024-05-05 00:29:38,041 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 00:29:38,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:29:38,042 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:29:38,043 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) [2024-05-05 00:29:38,046 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-05 00:29:38,360 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 00:29:38,361 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:29:38,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 1254 conjuncts, 86 conjunts are in the unsatisfiable core [2024-05-05 00:29:38,374 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:29:46,555 INFO L134 CoverageAnalysis]: Checked inductivity of 12214 backedges. 4979 proven. 1636 refuted. 0 times theorem prover too weak. 5599 trivial. 0 not checked. [2024-05-05 00:29:46,555 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:29:56,190 INFO L134 CoverageAnalysis]: Checked inductivity of 12214 backedges. 5075 proven. 1540 refuted. 0 times theorem prover too weak. 5599 trivial. 0 not checked. [2024-05-05 00:29:56,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1901096715] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:29:56,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:29:56,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [271, 87, 87] total 437 [2024-05-05 00:29:56,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004723060] [2024-05-05 00:29:56,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:29:56,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 437 states [2024-05-05 00:29:56,193 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:29:57,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 437 interpolants. [2024-05-05 00:29:57,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13742, Invalid=176790, Unknown=0, NotChecked=0, Total=190532 [2024-05-05 00:29:57,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:29:57,365 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:29:57,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 437 states, 437 states have (on average 3.505720823798627) internal successors, (1532), 437 states have internal predecessors, (1532), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:29:57,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:30:01,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:30:01,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:30:01,650 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-05 00:30:01,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:30:01,850 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 1 more)] === [2024-05-05 00:30:01,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:30:01,851 INFO L85 PathProgramCache]: Analyzing trace with hash 186700629, now seen corresponding path program 17 times [2024-05-05 00:30:01,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:30:01,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111878863] [2024-05-05 00:30:01,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:30:01,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:30:01,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:30:35,358 INFO L134 CoverageAnalysis]: Checked inductivity of 12375 backedges. 9420 proven. 2954 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:30:35,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:30:35,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111878863] [2024-05-05 00:30:35,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111878863] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:30:35,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1004634069] [2024-05-05 00:30:35,359 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-05 00:30:35,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:30:35,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:30:35,360 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) [2024-05-05 00:30:35,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-05-05 00:30:43,147 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 40 check-sat command(s) [2024-05-05 00:30:43,147 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:30:43,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 1350 conjuncts, 90 conjunts are in the unsatisfiable core [2024-05-05 00:30:43,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:30:51,163 INFO L134 CoverageAnalysis]: Checked inductivity of 12375 backedges. 8586 proven. 1701 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2024-05-05 00:30:51,163 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:31:02,290 INFO L134 CoverageAnalysis]: Checked inductivity of 12375 backedges. 8586 proven. 1701 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2024-05-05 00:31:02,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1004634069] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:31:02,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:31:02,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [273, 91, 91] total 447 [2024-05-05 00:31:02,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142877936] [2024-05-05 00:31:02,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:31:02,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 447 states [2024-05-05 00:31:02,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:31:03,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 447 interpolants. [2024-05-05 00:31:03,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14664, Invalid=184698, Unknown=0, NotChecked=0, Total=199362 [2024-05-05 00:31:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:31:03,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:31:03,927 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 447 states, 447 states have (on average 4.212527964205816) internal successors, (1883), 447 states have internal predecessors, (1883), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:31:03,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:31:03,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:31:08,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:31:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:31:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:31:08,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:31:08,420 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-05-05 00:31:08,620 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,SelfDestructingSolverStorable20 [2024-05-05 00:31:08,620 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 1 more)] === [2024-05-05 00:31:08,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:31:08,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1001910773, now seen corresponding path program 18 times [2024-05-05 00:31:08,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:31:08,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518444181] [2024-05-05 00:31:08,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:31:08,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:31:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:31:42,488 INFO L134 CoverageAnalysis]: Checked inductivity of 12544 backedges. 9420 proven. 3123 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:31:42,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:31:42,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518444181] [2024-05-05 00:31:42,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518444181] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:31:42,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27977324] [2024-05-05 00:31:42,489 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-05 00:31:42,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:31:42,489 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:31:42,490 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) [2024-05-05 00:31:42,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-05-05 00:32:48,977 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 40 check-sat command(s) [2024-05-05 00:32:48,978 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:32:49,041 INFO L262 TraceCheckSpWp]: Trace formula consists of 1364 conjuncts, 94 conjunts are in the unsatisfiable core [2024-05-05 00:32:49,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:32:59,383 INFO L134 CoverageAnalysis]: Checked inductivity of 12544 backedges. 5371 proven. 1976 refuted. 0 times theorem prover too weak. 5197 trivial. 0 not checked. [2024-05-05 00:32:59,383 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:33:10,625 INFO L134 CoverageAnalysis]: Checked inductivity of 12544 backedges. 5477 proven. 1870 refuted. 0 times theorem prover too weak. 5197 trivial. 0 not checked. [2024-05-05 00:33:10,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27977324] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:33:10,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:33:10,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [275, 95, 95] total 457 [2024-05-05 00:33:10,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230862236] [2024-05-05 00:33:10,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:33:10,627 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 457 states [2024-05-05 00:33:10,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:33:11,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 457 interpolants. [2024-05-05 00:33:11,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14870, Invalid=193522, Unknown=0, NotChecked=0, Total=208392 [2024-05-05 00:33:11,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:33:11,870 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:33:11,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 457 states, 457 states have (on average 3.5229759299781183) internal successors, (1610), 457 states have internal predecessors, (1610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:33:11,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:33:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:33:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:33:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:33:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:33:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:33:16,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:33:16,859 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2024-05-05 00:33:17,056 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:33:17,056 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:33:17,057 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:33:17,057 INFO L85 PathProgramCache]: Analyzing trace with hash 1346122433, now seen corresponding path program 19 times [2024-05-05 00:33:17,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:33:17,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718919464] [2024-05-05 00:33:17,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:33:17,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:33:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:33:48,746 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 9420 proven. 3300 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:33:48,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:33:48,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718919464] [2024-05-05 00:33:48,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718919464] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:33:48,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [337327746] [2024-05-05 00:33:48,747 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-05 00:33:48,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:33:48,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:33:48,749 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) [2024-05-05 00:33:48,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-05-05 00:33:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:33:49,070 INFO L262 TraceCheckSpWp]: Trace formula consists of 1378 conjuncts, 98 conjunts are in the unsatisfiable core [2024-05-05 00:33:49,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:34:00,843 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 5555 proven. 2102 refuted. 0 times theorem prover too weak. 5064 trivial. 0 not checked. [2024-05-05 00:34:00,843 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:34:11,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12721 backedges. 5610 proven. 2047 refuted. 0 times theorem prover too weak. 5064 trivial. 0 not checked. [2024-05-05 00:34:11,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [337327746] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:34:11,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:34:11,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [277, 99, 99] total 467 [2024-05-05 00:34:11,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023762891] [2024-05-05 00:34:11,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:34:11,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 467 states [2024-05-05 00:34:11,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:34:13,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 467 interpolants. [2024-05-05 00:34:13,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15522, Invalid=202100, Unknown=0, NotChecked=0, Total=217622 [2024-05-05 00:34:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:34:13,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:34:13,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 467 states, 467 states have (on average 3.5203426124197) internal successors, (1644), 467 states have internal predecessors, (1644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:34:13,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:34:13,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:34:13,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:34:13,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:34:13,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:34:17,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:34:17,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-05 00:34:17,907 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-05-05 00:34:18,107 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,SelfDestructingSolverStorable22 [2024-05-05 00:34:18,107 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:34:18,107 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:34:18,107 INFO L85 PathProgramCache]: Analyzing trace with hash -1334623881, now seen corresponding path program 20 times [2024-05-05 00:34:18,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:34:18,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048533513] [2024-05-05 00:34:18,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:34:18,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:34:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:34:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 12906 backedges. 9420 proven. 3485 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:34:54,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:34:54,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048533513] [2024-05-05 00:34:54,760 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048533513] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:34:54,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1338046775] [2024-05-05 00:34:54,760 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 00:34:54,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:34:54,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:34:54,761 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:34:54,762 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-05-05 00:34:55,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 00:34:55,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:34:55,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 1392 conjuncts, 102 conjunts are in the unsatisfiable core [2024-05-05 00:34:55,129 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:35:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 12906 backedges. 5748 proven. 2348 refuted. 0 times theorem prover too weak. 4810 trivial. 0 not checked. [2024-05-05 00:35:05,715 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:35:17,369 INFO L134 CoverageAnalysis]: Checked inductivity of 12906 backedges. 5864 proven. 2232 refuted. 0 times theorem prover too weak. 4810 trivial. 0 not checked. [2024-05-05 00:35:17,369 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1338046775] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:35:17,369 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:35:17,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [279, 103, 103] total 477 [2024-05-05 00:35:17,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [195519412] [2024-05-05 00:35:17,370 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:35:17,373 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 477 states [2024-05-05 00:35:17,373 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:35:18,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 477 interpolants. [2024-05-05 00:35:18,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16096, Invalid=210956, Unknown=0, NotChecked=0, Total=227052 [2024-05-05 00:35:18,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:35:18,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:35:18,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 477 states, 477 states have (on average 3.538784067085954) internal successors, (1688), 477 states have internal predecessors, (1688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:35:18,714 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-05 00:35:18,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:35:24,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:35:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:35:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:35:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:35:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:35:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-05 00:35:24,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-05 00:35:24,158 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-05-05 00:35:24,353 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-05-05 00:35:24,354 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:35:24,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:35:24,354 INFO L85 PathProgramCache]: Analyzing trace with hash 274938413, now seen corresponding path program 21 times [2024-05-05 00:35:24,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:35:24,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1461985055] [2024-05-05 00:35:24,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:35:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:35:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:35:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 9420 proven. 3678 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 00:35:58,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:35:58,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1461985055] [2024-05-05 00:35:58,607 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1461985055] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:35:58,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145671168] [2024-05-05 00:35:58,607 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-05 00:35:58,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:35:58,607 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:35:58,608 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:35:58,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-05-05 00:36:58,241 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 40 check-sat command(s) [2024-05-05 00:36:58,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:36:58,284 INFO L262 TraceCheckSpWp]: Trace formula consists of 1406 conjuncts, 131 conjunts are in the unsatisfiable core [2024-05-05 00:36:58,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:37:14,114 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 10638 proven. 2425 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 00:37:14,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 00:37:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 13099 backedges. 10638 proven. 2425 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 00:37:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145671168] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 00:37:30,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 00:37:30,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [281, 130, 130] total 534 [2024-05-05 00:37:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104824348] [2024-05-05 00:37:30,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 00:37:30,115 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 534 states [2024-05-05 00:37:30,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 00:37:31,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 534 interpolants. [2024-05-05 00:37:31,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21923, Invalid=262699, Unknown=0, NotChecked=0, Total=284622 [2024-05-05 00:37:31,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:37:31,540 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 00:37:31,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 534 states, 534 states have (on average 4.578651685393258) internal successors, (2445), 534 states have internal predecessors, (2445), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:37:31,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2024-05-05 00:37:31,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 218 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 635 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 240 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 540 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-05 00:37:40,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2024-05-05 00:37:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-05-05 00:37:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2024-05-05 00:37:40,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2024-05-05 00:37:40,609 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-05-05 00:37:40,808 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,25 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:37:40,808 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 00:37:40,809 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 00:37:40,809 INFO L85 PathProgramCache]: Analyzing trace with hash -449626625, now seen corresponding path program 22 times [2024-05-05 00:37:40,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 00:37:40,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [370572273] [2024-05-05 00:37:40,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 00:37:40,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 00:37:40,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 00:37:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 10358 proven. 5356 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-05-05 00:37:52,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 00:37:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [370572273] [2024-05-05 00:37:52,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [370572273] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 00:37:52,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040237888] [2024-05-05 00:37:52,847 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 00:37:52,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 00:37:52,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 00:37:52,848 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 00:37:52,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-05-05 00:37:53,214 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 00:37:53,214 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 00:37:53,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 1446 conjuncts, 150 conjunts are in the unsatisfiable core [2024-05-05 00:37:53,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 00:38:02,378 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 7695 proven. 5252 refuted. 0 times theorem prover too weak. 2803 trivial. 0 not checked. [2024-05-05 00:38:02,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... Received shutdown request... [2024-05-05 00:38:08,785 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-05 00:38:08,803 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-05-05 00:38:08,832 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 00:38:08,832 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 [2024-05-05 00:38:08,832 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 [2024-05-05 00:38:08,986 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-05-05 00:38:08,986 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 356 known predicates. [2024-05-05 00:38:08,987 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-05 00:38:08,988 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-05 00:38:08,988 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-05 00:38:08,990 INFO L448 BasicCegarLoop]: Path program histogram: [22, 2, 1, 1] [2024-05-05 00:38:08,992 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 00:38:08,992 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 00:38:08,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 12:38:08 BasicIcfg [2024-05-05 00:38:08,994 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 00:38:08,995 INFO L158 Benchmark]: Toolchain (without parser) took 845714.61ms. Allocated memory was 156.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 88.0MB in the beginning and 781.2MB in the end (delta: -693.2MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-05-05 00:38:08,995 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 156.2MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 00:38:08,995 INFO L158 Benchmark]: CACSL2BoogieTranslator took 191.52ms. Allocated memory is still 156.2MB. Free memory was 87.7MB in the beginning and 75.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 00:38:08,995 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.79ms. Allocated memory was 156.2MB in the beginning and 221.2MB in the end (delta: 65.0MB). Free memory was 75.7MB in the beginning and 192.1MB in the end (delta: -116.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. [2024-05-05 00:38:08,995 INFO L158 Benchmark]: Boogie Preprocessor took 28.60ms. Allocated memory is still 221.2MB. Free memory was 192.1MB in the beginning and 190.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 00:38:08,995 INFO L158 Benchmark]: RCFGBuilder took 523.01ms. Allocated memory is still 221.2MB. Free memory was 190.5MB in the beginning and 166.9MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. [2024-05-05 00:38:08,995 INFO L158 Benchmark]: TraceAbstraction took 844916.99ms. Allocated memory was 221.2MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 165.8MB in the beginning and 781.2MB in the end (delta: -615.3MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. [2024-05-05 00:38:09,000 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 156.2MB. Free memory is still 88.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 191.52ms. Allocated memory is still 156.2MB. Free memory was 87.7MB in the beginning and 75.9MB in the end (delta: 11.9MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 49.79ms. Allocated memory was 156.2MB in the beginning and 221.2MB in the end (delta: 65.0MB). Free memory was 75.7MB in the beginning and 192.1MB in the end (delta: -116.3MB). Peak memory consumption was 7.8MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.60ms. Allocated memory is still 221.2MB. Free memory was 192.1MB in the beginning and 190.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 523.01ms. Allocated memory is still 221.2MB. Free memory was 190.5MB in the beginning and 166.9MB in the end (delta: 23.6MB). Peak memory consumption was 24.1MB. Max. memory is 8.0GB. * TraceAbstraction took 844916.99ms. Allocated memory was 221.2MB in the beginning and 2.7GB in the end (delta: 2.5GB). Free memory was 165.8MB in the beginning and 781.2MB in the end (delta: -615.3MB). Peak memory consumption was 1.9GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 211613, independent: 194785, independent conditional: 194785, independent unconditional: 0, dependent: 16828, dependent conditional: 16828, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 194785, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 194785, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 194785, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 39956, independent unconditional: 154829, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 39621, independent unconditional: 155164, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 39621, independent unconditional: 155164, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 830, independent: 830, independent conditional: 104, independent unconditional: 726, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 830, independent: 830, independent conditional: 0, independent unconditional: 830, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 194785, independent: 193955, independent conditional: 39517, independent unconditional: 154438, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 830, unknown conditional: 104, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 830, Positive cache size: 830, Positive conditional cache size: 104, Positive unconditional cache size: 726, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 335, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 39956, independent unconditional: 154829, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 39621, independent unconditional: 155164, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 194785, independent: 194785, independent conditional: 39621, independent unconditional: 155164, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 830, independent: 830, independent conditional: 104, independent unconditional: 726, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 830, independent: 830, independent conditional: 0, independent unconditional: 830, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 194785, independent: 193955, independent conditional: 39517, independent unconditional: 154438, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 830, unknown conditional: 104, unknown unconditional: 726] , Statistics on independence cache: Total cache size (in pairs): 830, Positive cache size: 830, Positive conditional cache size: 104, Positive unconditional cache size: 726, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 335 ], Independence queries for same thread: 16828 - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 356 known predicates. - TimeoutResultAtElement [Line: 93]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 356 known predicates. - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 356 known predicates. - TimeoutResultAtElement [Line: 94]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 967 with TraceHistMax 39,while TraceCheckSpWp was constructing backward predicates,while PredicateComparison was comparing new predicate (quantifier-free) to 356 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 179 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 844.8s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 22, EmptinessCheckTime: 223.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3148, 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: 1.0s SsaConstructionTime, 144.2s SatisfiabilityAnalysisTime, 429.4s InterpolantComputationTime, 21542 NumberOfCodeBlocks, 21461 NumberOfCodeBlocksAsserted, 252 NumberOfCheckSat, 32117 ConstructedInterpolants, 0 QuantifiedInterpolants, 185194 SizeOfPredicates, 1372 NumberOfNonLiveVariables, 17982 ConjunctsInSsa, 1373 ConjunctsInUnsatCore, 71 InterpolantComputations, 2 PerfectInterpolantSequences, 221767/298018 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, ConditionalCommutativityCheckTime: 0.3s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown