/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking NONE -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-04 20:37:53,295 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-04 20:37:53,378 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-04 20:37:53,382 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-04 20:37:53,383 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-04 20:37:53,410 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-04 20:37:53,411 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-04 20:37:53,411 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-04 20:37:53,412 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-04 20:37:53,415 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-04 20:37:53,416 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-04 20:37:53,416 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-04 20:37:53,416 INFO L153 SettingsManager]: * Use SBE=true [2024-05-04 20:37:53,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-04 20:37:53,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-04 20:37:53,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-04 20:37:53,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-04 20:37:53,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-04 20:37:53,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-04 20:37:53,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-04 20:37:53,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-04 20:37:53,420 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-04 20:37:53,420 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-04 20:37:53,420 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-04 20:37:53,420 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-04 20:37:53,421 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-04 20:37:53,421 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-04 20:37:53,421 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-04 20:37:53,421 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-04 20:37:53,421 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 20:37:53,423 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-04 20:37:53,423 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-04 20:37:53,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-04 20:37:53,423 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-04 20:37:53,423 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-04 20:37:53,423 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-04 20:37:53,424 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-04 20:37:53,424 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-04 20:37:53,424 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-04 20:37:53,424 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> NONE [2024-05-04 20:37:53,669 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-04 20:37:53,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-04 20:37:53,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-04 20:37:53,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-04 20:37:53,701 INFO L274 PluginConnector]: CDTParser initialized [2024-05-04 20:37:53,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-05-04 20:37:54,871 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-04 20:37:55,031 INFO L384 CDTParser]: Found 1 translation units. [2024-05-04 20:37:55,032 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-array-sum2.wvr.c [2024-05-04 20:37:55,040 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cd31fa91b/27872e67ef274b9ebd5e87d1a8828729/FLAG98736fbb6 [2024-05-04 20:37:55,060 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/cd31fa91b/27872e67ef274b9ebd5e87d1a8828729 [2024-05-04 20:37:55,063 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-04 20:37:55,065 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-04 20:37:55,069 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-04 20:37:55,069 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-04 20:37:55,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-04 20:37:55,074 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74950b70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55, skipping insertion in model container [2024-05-04 20:37:55,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,106 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-04 20:37:55,253 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-array-sum2.wvr.c[2599,2612] [2024-05-04 20:37:55,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 20:37:55,270 INFO L202 MainTranslator]: Completed pre-run [2024-05-04 20:37:55,290 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-array-sum2.wvr.c[2599,2612] [2024-05-04 20:37:55,293 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-04 20:37:55,301 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 20:37:55,302 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-04 20:37:55,312 INFO L206 MainTranslator]: Completed translation [2024-05-04 20:37:55,312 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55 WrapperNode [2024-05-04 20:37:55,312 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-04 20:37:55,313 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-04 20:37:55,314 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-04 20:37:55,330 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-04 20:37:55,342 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,349 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,381 INFO L138 Inliner]: procedures = 25, calls = 52, calls flagged for inlining = 16, calls inlined = 28, statements flattened = 279 [2024-05-04 20:37:55,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-04 20:37:55,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-04 20:37:55,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-04 20:37:55,382 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-04 20:37:55,395 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,395 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,399 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,411 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,424 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,426 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,431 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-04 20:37:55,431 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-04 20:37:55,431 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-04 20:37:55,432 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-04 20:37:55,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (1/1) ... [2024-05-04 20:37:55,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-04 20:37:55,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:37:55,462 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) [2024-05-04 20:37:55,468 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 [2024-05-04 20:37:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-04 20:37:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-04 20:37:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-04 20:37:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-04 20:37:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-04 20:37:55,498 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-04 20:37:55,498 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-04 20:37:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-04 20:37:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-04 20:37:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-04 20:37:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-04 20:37:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-04 20:37:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-04 20:37:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-05-04 20:37:55,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-04 20:37:55,499 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-04 20:37:55,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-04 20:37:55,501 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-04 20:37:55,601 INFO L241 CfgBuilder]: Building ICFG [2024-05-04 20:37:55,604 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-04 20:37:56,046 INFO L282 CfgBuilder]: Performing block encoding [2024-05-04 20:37:56,322 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-04 20:37:56,322 INFO L309 CfgBuilder]: Removed 5 assume(true) statements. [2024-05-04 20:37:56,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:37:56 BoogieIcfgContainer [2024-05-04 20:37:56,324 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-04 20:37:56,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-04 20:37:56,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-04 20:37:56,331 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-04 20:37:56,331 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:37:55" (1/3) ... [2024-05-04 20:37:56,332 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908cd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:37:56, skipping insertion in model container [2024-05-04 20:37:56,332 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:37:55" (2/3) ... [2024-05-04 20:37:56,333 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6908cd43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:37:56, skipping insertion in model container [2024-05-04 20:37:56,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:37:56" (3/3) ... [2024-05-04 20:37:56,335 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-array-sum2.wvr.c [2024-05-04 20:37:56,342 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-04 20:37:56,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-04 20:37:56,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-04 20:37:56,351 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-04 20:37:56,423 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-04 20:37:56,469 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-04 20:37:56,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-04 20:37:56,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:37:56,472 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) [2024-05-04 20:37:56,498 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 [2024-05-04 20:37:56,519 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-04 20:37:56,527 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-04 20:37:56,534 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;@7e046f3b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=NONE, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-04 20:37:56,535 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-04 20:37:56,913 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)] === [2024-05-04 20:37:56,919 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:37:56,920 INFO L85 PathProgramCache]: Analyzing trace with hash -319249175, now seen corresponding path program 1 times [2024-05-04 20:37:56,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:37:56,929 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750227301] [2024-05-04 20:37:56,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:37:56,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:37:57,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:37:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-05-04 20:37:57,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:37:57,280 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750227301] [2024-05-04 20:37:57,280 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750227301] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:37:57,280 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:37:57,280 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-04 20:37:57,281 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195786637] [2024-05-04 20:37:57,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:37:57,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-04 20:37:57,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:37:57,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-04 20:37:57,324 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-04 20:37:57,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:57,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:37:57,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 78.5) internal successors, (157), 2 states have internal predecessors, (157), 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) [2024-05-04 20:37:57,328 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:57,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:57,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-04 20:37:57,440 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)] === [2024-05-04 20:37:57,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:37:57,442 INFO L85 PathProgramCache]: Analyzing trace with hash -1193555611, now seen corresponding path program 1 times [2024-05-04 20:37:57,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:37:57,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901751157] [2024-05-04 20:37:57,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:37:57,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:37:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:37:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-05-04 20:37:57,964 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:37:57,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901751157] [2024-05-04 20:37:57,964 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901751157] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-04 20:37:57,964 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-04 20:37:57,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-04 20:37:57,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632860926] [2024-05-04 20:37:57,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-04 20:37:57,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-04 20:37:57,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:37:57,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-04 20:37:57,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-04 20:37:57,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:57,969 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:37:57,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 21.571428571428573) internal successors, (151), 7 states have internal predecessors, (151), 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) [2024-05-04 20:37:57,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:57,969 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:58,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:58,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:37:58,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-04 20:37:58,217 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)] === [2024-05-04 20:37:58,218 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:37:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash 2097813710, now seen corresponding path program 1 times [2024-05-04 20:37:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:37:58,219 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777377285] [2024-05-04 20:37:58,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:37:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:37:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:37:58,702 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 20:37:58,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:37:58,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777377285] [2024-05-04 20:37:58,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777377285] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:37:58,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147550460] [2024-05-04 20:37:58,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:37:58,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:37:58,704 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:37:58,751 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) [2024-05-04 20:37:58,775 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-04 20:37:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:37:58,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 10 conjunts are in the unsatisfiable core [2024-05-04 20:37:58,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:37:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 20:37:59,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:37:59,652 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-05-04 20:37:59,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147550460] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:37:59,653 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:37:59,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11, 11] total 25 [2024-05-04 20:37:59,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [763219800] [2024-05-04 20:37:59,653 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:37:59,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-05-04 20:37:59,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:37:59,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-05-04 20:37:59,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2024-05-04 20:37:59,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:59,657 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:37:59,657 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 10.12) internal successors, (253), 25 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-04 20:37:59,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:37:59,657 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:37:59,658 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:00,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:00,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:00,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:00,179 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-04 20:38:00,375 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 [2024-05-04 20:38:00,376 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)] === [2024-05-04 20:38:00,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:00,377 INFO L85 PathProgramCache]: Analyzing trace with hash -1255535305, now seen corresponding path program 2 times [2024-05-04 20:38:00,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:00,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521533168] [2024-05-04 20:38:00,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:00,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:00,710 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-05-04 20:38:00,711 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:00,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521533168] [2024-05-04 20:38:00,711 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521533168] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:00,711 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1724696270] [2024-05-04 20:38:00,712 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:38:00,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:00,712 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:00,713 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) [2024-05-04 20:38:00,743 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-04 20:38:01,085 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:38:01,085 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:01,088 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 8 conjunts are in the unsatisfiable core [2024-05-04 20:38:01,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:01,279 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-05-04 20:38:01,280 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:01,446 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-05-04 20:38:01,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1724696270] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:01,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:01,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 9] total 23 [2024-05-04 20:38:01,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538591895] [2024-05-04 20:38:01,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:01,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-05-04 20:38:01,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:01,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-05-04 20:38:01,449 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2024-05-04 20:38:01,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:01,450 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:01,450 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 13.695652173913043) internal successors, (315), 23 states have internal predecessors, (315), 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) [2024-05-04 20:38:01,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:01,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:01,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:01,450 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:02,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:02,615 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-04 20:38:02,812 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 [2024-05-04 20:38:02,813 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)] === [2024-05-04 20:38:02,813 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:02,813 INFO L85 PathProgramCache]: Analyzing trace with hash 419330864, now seen corresponding path program 3 times [2024-05-04 20:38:02,814 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:02,814 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518160319] [2024-05-04 20:38:02,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:02,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:03,250 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 18 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2024-05-04 20:38:03,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:03,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518160319] [2024-05-04 20:38:03,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518160319] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:03,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1145816500] [2024-05-04 20:38:03,251 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 20:38:03,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:03,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:03,252 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) [2024-05-04 20:38:03,273 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-04 20:38:03,583 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-05-04 20:38:03,583 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:03,586 INFO L262 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 14 conjunts are in the unsatisfiable core [2024-05-04 20:38:03,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:04,066 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-04 20:38:04,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:04,563 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 15 proven. 17 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-05-04 20:38:04,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1145816500] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:04,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:04,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 42 [2024-05-04 20:38:04,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010787319] [2024-05-04 20:38:04,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:04,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-04 20:38:04,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:04,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-04 20:38:04,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=1568, Unknown=0, NotChecked=0, Total=1722 [2024-05-04 20:38:04,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:04,567 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:04,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 9.261904761904763) internal successors, (389), 42 states have internal predecessors, (389), 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) [2024-05-04 20:38:04,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:04,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:04,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:04,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:04,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:08,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:08,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:08,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-04 20:38:08,159 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-04 20:38:08,347 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 [2024-05-04 20:38:08,348 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)] === [2024-05-04 20:38:08,348 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:08,349 INFO L85 PathProgramCache]: Analyzing trace with hash -97818951, now seen corresponding path program 4 times [2024-05-04 20:38:08,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:08,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398651732] [2024-05-04 20:38:08,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:08,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:09,134 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 106 proven. 36 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-05-04 20:38:09,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:09,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398651732] [2024-05-04 20:38:09,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398651732] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:09,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321889200] [2024-05-04 20:38:09,135 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 20:38:09,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:09,136 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:09,141 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) [2024-05-04 20:38:09,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-04 20:38:09,289 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 20:38:09,289 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:09,291 INFO L262 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-04 20:38:09,296 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-05-04 20:38:09,851 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 83 proven. 27 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-05-04 20:38:10,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321889200] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:10,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:10,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 49 [2024-05-04 20:38:10,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594004530] [2024-05-04 20:38:10,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:10,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 49 states [2024-05-04 20:38:10,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:10,454 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2024-05-04 20:38:10,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=330, Invalid=2022, Unknown=0, NotChecked=0, Total=2352 [2024-05-04 20:38:10,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:10,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:10,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 49 states, 49 states have (on average 7.775510204081633) internal successors, (381), 49 states have internal predecessors, (381), 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) [2024-05-04 20:38:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-04 20:38:10,456 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:11,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-04 20:38:11,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 20:38:11,259 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-04 20:38:11,445 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 [2024-05-04 20:38:11,446 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)] === [2024-05-04 20:38:11,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:11,446 INFO L85 PathProgramCache]: Analyzing trace with hash -923318238, now seen corresponding path program 5 times [2024-05-04 20:38:11,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:11,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098219785] [2024-05-04 20:38:11,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:11,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:11,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:12,290 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 98 proven. 76 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-05-04 20:38:12,291 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:12,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098219785] [2024-05-04 20:38:12,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098219785] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:12,291 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483864248] [2024-05-04 20:38:12,292 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 20:38:12,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:12,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:12,293 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) [2024-05-04 20:38:12,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-04 20:38:12,519 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-04 20:38:12,519 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:12,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 664 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-04 20:38:12,527 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:13,584 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 103 proven. 72 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-04 20:38:13,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:14,805 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 123 proven. 52 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2024-05-04 20:38:14,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483864248] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:14,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:14,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 31, 31] total 79 [2024-05-04 20:38:14,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805934498] [2024-05-04 20:38:14,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:14,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-05-04 20:38:14,809 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:14,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-05-04 20:38:14,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=843, Invalid=5319, Unknown=0, NotChecked=0, Total=6162 [2024-05-04 20:38:14,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:14,812 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:14,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 6.9113924050632916) internal successors, (546), 79 states have internal predecessors, (546), 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) [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 20:38:14,813 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:16,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:16,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:16,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2024-05-04 20:38:16,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-05-04 20:38:16,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:16,333 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-05-04 20:38:16,525 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 [2024-05-04 20:38:16,526 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)] === [2024-05-04 20:38:16,526 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:16,526 INFO L85 PathProgramCache]: Analyzing trace with hash -668771793, now seen corresponding path program 6 times [2024-05-04 20:38:16,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:16,527 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642339837] [2024-05-04 20:38:16,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:16,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:17,399 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 58 proven. 281 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2024-05-04 20:38:17,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642339837] [2024-05-04 20:38:17,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642339837] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:17,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [768610129] [2024-05-04 20:38:17,399 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 20:38:17,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:17,400 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:17,401 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) [2024-05-04 20:38:17,403 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-04 20:38:18,934 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-05-04 20:38:18,934 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:18,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 28 conjunts are in the unsatisfiable core [2024-05-04 20:38:18,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:19,862 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 25 proven. 98 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-05-04 20:38:19,863 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:20,888 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 107 proven. 16 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2024-05-04 20:38:20,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [768610129] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:20,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:20,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 29, 26] total 74 [2024-05-04 20:38:20,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135325597] [2024-05-04 20:38:20,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:20,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-04 20:38:20,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:20,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-04 20:38:20,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=4939, Unknown=0, NotChecked=0, Total=5402 [2024-05-04 20:38:20,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:20,893 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:20,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 6.8108108108108105) internal successors, (504), 74 states have internal predecessors, (504), 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) [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 122 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:20,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:29,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:38:29,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-05-04 20:38:29,608 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 [2024-05-04 20:38:29,608 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)] === [2024-05-04 20:38:29,609 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:29,609 INFO L85 PathProgramCache]: Analyzing trace with hash -852701277, now seen corresponding path program 7 times [2024-05-04 20:38:29,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:29,609 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259387306] [2024-05-04 20:38:29,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:29,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:29,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 66 proven. 348 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2024-05-04 20:38:30,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:30,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259387306] [2024-05-04 20:38:30,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1259387306] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:30,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954087135] [2024-05-04 20:38:30,724 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 20:38:30,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:30,725 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:30,726 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) [2024-05-04 20:38:30,730 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-04 20:38:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:30,933 INFO L262 TraceCheckSpWp]: Trace formula consists of 840 conjuncts, 42 conjunts are in the unsatisfiable core [2024-05-04 20:38:30,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:32,480 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 145 proven. 317 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-04 20:38:32,480 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:34,318 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 165 proven. 297 refuted. 0 times theorem prover too weak. 297 trivial. 0 not checked. [2024-05-04 20:38:34,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1954087135] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:34,319 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:34,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 43, 43] total 108 [2024-05-04 20:38:34,319 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984579771] [2024-05-04 20:38:34,319 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:34,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-05-04 20:38:34,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:34,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-05-04 20:38:34,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1214, Invalid=10342, Unknown=0, NotChecked=0, Total=11556 [2024-05-04 20:38:34,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:34,326 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:34,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 108 states have (on average 6.324074074074074) internal successors, (683), 108 states have internal predecessors, (683), 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) [2024-05-04 20:38:34,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:34,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:34,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:38:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:38:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:38:34,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:38:38,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2024-05-04 20:38:38,876 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-04 20:38:39,071 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 [2024-05-04 20:38:39,071 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)] === [2024-05-04 20:38:39,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:39,072 INFO L85 PathProgramCache]: Analyzing trace with hash -1571499181, now seen corresponding path program 8 times [2024-05-04 20:38:39,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:39,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810358991] [2024-05-04 20:38:39,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:39,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:39,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:40,505 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 102 proven. 463 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-05-04 20:38:40,506 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810358991] [2024-05-04 20:38:40,506 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810358991] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:40,506 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1673702607] [2024-05-04 20:38:40,506 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:38:40,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:40,506 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:40,507 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) [2024-05-04 20:38:40,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-05-04 20:38:40,743 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:38:40,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:40,747 INFO L262 TraceCheckSpWp]: Trace formula consists of 922 conjuncts, 30 conjunts are in the unsatisfiable core [2024-05-04 20:38:40,753 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 138 proven. 427 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-05-04 20:38:41,781 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:42,745 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 334 proven. 231 refuted. 0 times theorem prover too weak. 418 trivial. 0 not checked. [2024-05-04 20:38:42,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1673702607] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:42,746 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:42,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 31, 31] total 74 [2024-05-04 20:38:42,746 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178535041] [2024-05-04 20:38:42,746 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:42,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2024-05-04 20:38:42,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:42,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2024-05-04 20:38:42,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=4590, Unknown=0, NotChecked=0, Total=5402 [2024-05-04 20:38:42,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:42,750 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:42,751 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 7.3108108108108105) internal successors, (541), 74 states have internal predecessors, (541), 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) [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:38:42,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 118 states. [2024-05-04 20:38:42,752 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:38:44,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:38:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:38:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:38:44,871 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-05-04 20:38:45,070 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 [2024-05-04 20:38:45,071 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)] === [2024-05-04 20:38:45,071 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:38:45,071 INFO L85 PathProgramCache]: Analyzing trace with hash -799686420, now seen corresponding path program 9 times [2024-05-04 20:38:45,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:38:45,071 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34477653] [2024-05-04 20:38:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:38:45,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:38:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:38:46,621 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 146 proven. 536 refuted. 0 times theorem prover too weak. 394 trivial. 0 not checked. [2024-05-04 20:38:46,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:38:46,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34477653] [2024-05-04 20:38:46,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34477653] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:38:46,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811504546] [2024-05-04 20:38:46,622 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 20:38:46,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:38:46,622 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:38:46,623 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) [2024-05-04 20:38:46,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-05-04 20:38:47,015 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-04 20:38:47,015 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:38:47,019 INFO L262 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 44 conjunts are in the unsatisfiable core [2024-05-04 20:38:47,024 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:38:48,796 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 14 proven. 322 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-05-04 20:38:48,796 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:38:50,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 305 proven. 31 refuted. 0 times theorem prover too weak. 740 trivial. 0 not checked. [2024-05-04 20:38:50,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811504546] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:38:50,917 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:38:50,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 45, 39] total 114 [2024-05-04 20:38:50,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479850642] [2024-05-04 20:38:50,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:38:50,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-05-04 20:38:50,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:38:50,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-05-04 20:38:50,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=967, Invalid=11915, Unknown=0, NotChecked=0, Total=12882 [2024-05-04 20:38:50,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:50,925 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:38:50,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 114 states have (on average 5.605263157894737) internal successors, (639), 114 states have internal predecessors, (639), 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) [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:38:50,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:38:50,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:38:50,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:38:50,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:38:50,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:08,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:39:08,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:39:08,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:39:08,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-05-04 20:39:08,963 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 [2024-05-04 20:39:08,964 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)] === [2024-05-04 20:39:08,964 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:39:08,964 INFO L85 PathProgramCache]: Analyzing trace with hash 1904355305, now seen corresponding path program 10 times [2024-05-04 20:39:08,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:39:08,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225357627] [2024-05-04 20:39:08,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:39:08,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:39:09,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:39:16,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 1043 proven. 739 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-05-04 20:39:16,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:39:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225357627] [2024-05-04 20:39:16,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225357627] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:39:16,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1199043215] [2024-05-04 20:39:16,641 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 20:39:16,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:39:16,641 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:39:16,642 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) [2024-05-04 20:39:16,644 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-05-04 20:39:16,874 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 20:39:16,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:39:16,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 46 conjunts are in the unsatisfiable core [2024-05-04 20:39:16,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:39:19,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 849 proven. 416 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-05-04 20:39:19,800 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:39:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2152 backedges. 895 proven. 370 refuted. 0 times theorem prover too weak. 887 trivial. 0 not checked. [2024-05-04 20:39:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1199043215] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:39:23,299 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:39:23,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 47, 47] total 193 [2024-05-04 20:39:23,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [91583665] [2024-05-04 20:39:23,300 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:39:23,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 193 states [2024-05-04 20:39:23,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:39:23,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2024-05-04 20:39:23,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2745, Invalid=34311, Unknown=0, NotChecked=0, Total=37056 [2024-05-04 20:39:23,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:23,317 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:39:23,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 193 states, 193 states have (on average 4.2642487046632125) internal successors, (823), 193 states have internal predecessors, (823), 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) [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:39:23,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:25,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:39:25,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 20:39:25,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-05-04 20:39:26,021 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 [2024-05-04 20:39:26,021 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)] === [2024-05-04 20:39:26,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:39:26,022 INFO L85 PathProgramCache]: Analyzing trace with hash 1902875296, now seen corresponding path program 11 times [2024-05-04 20:39:26,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:39:26,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933892470] [2024-05-04 20:39:26,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:39:26,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:39:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:39:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 2314 backedges. 1043 proven. 820 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-05-04 20:39:33,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:39:33,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933892470] [2024-05-04 20:39:33,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [933892470] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:39:33,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883245252] [2024-05-04 20:39:33,390 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 20:39:33,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:39:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:39:33,392 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) [2024-05-04 20:39:33,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-05-04 20:39:49,833 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 16 check-sat command(s) [2024-05-04 20:39:49,833 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:39:49,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 1382 conjuncts, 56 conjunts are in the unsatisfiable core [2024-05-04 20:39:49,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:39:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 2314 backedges. 1168 proven. 687 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-05-04 20:39:53,522 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:39:57,752 INFO L134 CoverageAnalysis]: Checked inductivity of 2314 backedges. 1404 proven. 451 refuted. 0 times theorem prover too weak. 459 trivial. 0 not checked. [2024-05-04 20:39:57,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883245252] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:39:57,752 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:39:57,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [109, 57, 57] total 216 [2024-05-04 20:39:57,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174137838] [2024-05-04 20:39:57,753 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:39:57,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-05-04 20:39:57,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:39:57,757 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-05-04 20:39:57,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3707, Invalid=42733, Unknown=0, NotChecked=0, Total=46440 [2024-05-04 20:39:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:57,763 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:39:57,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 5.212962962962963) internal successors, (1126), 216 states have internal predecessors, (1126), 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) [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:39:57,764 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:39:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:39:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:39:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:39:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 20:39:57,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:40:00,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 20:40:00,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-04 20:40:01,009 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-05-04 20:40:01,195 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 [2024-05-04 20:40:01,196 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)] === [2024-05-04 20:40:01,196 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:40:01,196 INFO L85 PathProgramCache]: Analyzing trace with hash 1423641468, now seen corresponding path program 12 times [2024-05-04 20:40:01,196 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:40:01,196 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218488773] [2024-05-04 20:40:01,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:40:01,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:40:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:40:04,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 1019 proven. 1240 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-05-04 20:40:04,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:40:04,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218488773] [2024-05-04 20:40:04,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218488773] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:40:04,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1845018856] [2024-05-04 20:40:04,806 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 20:40:04,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:40:04,806 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:40:04,807 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) [2024-05-04 20:40:04,808 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-05-04 20:40:09,781 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 16 check-sat command(s) [2024-05-04 20:40:09,782 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:40:09,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 1494 conjuncts, 66 conjunts are in the unsatisfiable core [2024-05-04 20:40:09,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:40:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 1034 proven. 1225 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-05-04 20:40:12,803 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:40:15,782 INFO L134 CoverageAnalysis]: Checked inductivity of 3122 backedges. 1404 proven. 855 refuted. 0 times theorem prover too weak. 863 trivial. 0 not checked. [2024-05-04 20:40:15,783 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1845018856] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:40:15,783 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:40:15,783 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 67, 67] total 172 [2024-05-04 20:40:15,783 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13050930] [2024-05-04 20:40:15,783 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:40:15,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 172 states [2024-05-04 20:40:15,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:40:15,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2024-05-04 20:40:15,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3621, Invalid=25791, Unknown=0, NotChecked=0, Total=29412 [2024-05-04 20:40:15,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:15,790 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:40:15,791 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 172 states, 172 states have (on average 6.023255813953488) internal successors, (1036), 172 states have internal predecessors, (1036), 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) [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:40:15,791 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:40:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:40:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:40:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 20:40:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-04 20:40:15,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2024-05-04 20:40:18,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2024-05-04 20:40:18,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-05-04 20:40:18,673 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 [2024-05-04 20:40:18,673 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)] === [2024-05-04 20:40:18,673 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:40:18,674 INFO L85 PathProgramCache]: Analyzing trace with hash -1732354765, now seen corresponding path program 13 times [2024-05-04 20:40:18,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:40:18,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109049149] [2024-05-04 20:40:18,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:40:18,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:40:18,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:40:22,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 756 proven. 1632 refuted. 0 times theorem prover too weak. 976 trivial. 0 not checked. [2024-05-04 20:40:22,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:40:22,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109049149] [2024-05-04 20:40:22,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109049149] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:40:22,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [425777741] [2024-05-04 20:40:22,077 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-04 20:40:22,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:40:22,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:40:22,078 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) [2024-05-04 20:40:22,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-05-04 20:40:22,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:40:22,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 1522 conjuncts, 70 conjunts are in the unsatisfiable core [2024-05-04 20:40:22,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:40:26,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1125 proven. 1052 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2024-05-04 20:40:26,225 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:40:30,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3364 backedges. 1201 proven. 976 refuted. 0 times theorem prover too weak. 1187 trivial. 0 not checked. [2024-05-04 20:40:30,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [425777741] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:40:30,818 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:40:30,818 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67, 71, 71] total 204 [2024-05-04 20:40:30,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617208387] [2024-05-04 20:40:30,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:40:30,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 204 states [2024-05-04 20:40:30,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:40:30,822 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 204 interpolants. [2024-05-04 20:40:30,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3518, Invalid=37894, Unknown=0, NotChecked=0, Total=41412 [2024-05-04 20:40:30,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:30,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:40:30,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 204 states, 204 states have (on average 5.578431372549019) internal successors, (1138), 204 states have internal predecessors, (1138), 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) [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 317 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-05-04 20:40:30,828 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2024-05-04 20:40:30,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2024-05-04 20:40:30,829 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:40:47,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:40:47,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:40:47,805 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-05-04 20:40:47,998 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 [2024-05-04 20:40:47,998 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)] === [2024-05-04 20:40:47,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:40:47,999 INFO L85 PathProgramCache]: Analyzing trace with hash -581877492, now seen corresponding path program 14 times [2024-05-04 20:40:47,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:40:47,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958212077] [2024-05-04 20:40:47,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:40:47,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:40:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:40:52,745 INFO L134 CoverageAnalysis]: Checked inductivity of 4483 backedges. 1943 proven. 1410 refuted. 0 times theorem prover too weak. 1130 trivial. 0 not checked. [2024-05-04 20:40:52,745 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:40:52,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958212077] [2024-05-04 20:40:52,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958212077] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:40:52,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [12736219] [2024-05-04 20:40:52,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-04 20:40:52,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:40:52,746 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:40:52,747 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) [2024-05-04 20:40:52,748 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-05-04 20:40:53,136 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-04 20:40:53,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:40:53,144 INFO L262 TraceCheckSpWp]: Trace formula consists of 1748 conjuncts, 74 conjunts are in the unsatisfiable core [2024-05-04 20:40:53,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:40:57,123 INFO L134 CoverageAnalysis]: Checked inductivity of 4483 backedges. 1669 proven. 1145 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2024-05-04 20:40:57,123 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:41:02,150 INFO L134 CoverageAnalysis]: Checked inductivity of 4483 backedges. 1709 proven. 1105 refuted. 0 times theorem prover too weak. 1669 trivial. 0 not checked. [2024-05-04 20:41:02,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [12736219] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:41:02,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:41:02,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75, 75, 75] total 216 [2024-05-04 20:41:02,151 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421232509] [2024-05-04 20:41:02,151 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:41:02,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 216 states [2024-05-04 20:41:02,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:41:02,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 216 interpolants. [2024-05-04 20:41:02,156 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4897, Invalid=41543, Unknown=0, NotChecked=0, Total=46440 [2024-05-04 20:41:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:02,157 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:41:02,157 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 216 states, 216 states have (on average 5.1157407407407405) internal successors, (1105), 216 states have internal predecessors, (1105), 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) [2024-05-04 20:41:02,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:02,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:41:02,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:41:02,157 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:41:02,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:41:06,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:41:06,188 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-05-04 20:41:06,382 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 [2024-05-04 20:41:06,382 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)] === [2024-05-04 20:41:06,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:41:06,383 INFO L85 PathProgramCache]: Analyzing trace with hash -1964746891, now seen corresponding path program 15 times [2024-05-04 20:41:06,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:41:06,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123687507] [2024-05-04 20:41:06,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:41:06,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:41:06,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:41:11,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4757 backedges. 2204 proven. 1311 refuted. 0 times theorem prover too weak. 1242 trivial. 0 not checked. [2024-05-04 20:41:11,368 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:41:11,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123687507] [2024-05-04 20:41:11,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123687507] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:41:11,368 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1429166767] [2024-05-04 20:41:11,368 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-04 20:41:11,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:41:11,368 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:41:11,370 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) [2024-05-04 20:41:11,372 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-05-04 20:41:19,106 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2024-05-04 20:41:19,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:41:19,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 1776 conjuncts, 108 conjunts are in the unsatisfiable core [2024-05-04 20:41:19,133 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:41:24,693 INFO L134 CoverageAnalysis]: Checked inductivity of 4757 backedges. 2228 proven. 1423 refuted. 0 times theorem prover too weak. 1106 trivial. 0 not checked. [2024-05-04 20:41:24,693 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:41:30,558 INFO L134 CoverageAnalysis]: Checked inductivity of 4757 backedges. 2164 proven. 1537 refuted. 0 times theorem prover too weak. 1056 trivial. 0 not checked. [2024-05-04 20:41:30,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1429166767] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:41:30,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:41:30,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79, 90, 84] total 245 [2024-05-04 20:41:30,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711430598] [2024-05-04 20:41:30,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:41:30,560 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 245 states [2024-05-04 20:41:30,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:41:30,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 245 interpolants. [2024-05-04 20:41:30,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6128, Invalid=53652, Unknown=0, NotChecked=0, Total=59780 [2024-05-04 20:41:30,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:30,569 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:41:30,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 245 states, 245 states have (on average 6.044897959183674) internal successors, (1481), 245 states have internal predecessors, (1481), 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) [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:41:30,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:35,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:41:35,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:41:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-04 20:41:35,410 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-05-04 20:41:35,611 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 [2024-05-04 20:41:35,611 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)] === [2024-05-04 20:41:35,611 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:41:35,611 INFO L85 PathProgramCache]: Analyzing trace with hash -80604450, now seen corresponding path program 16 times [2024-05-04 20:41:35,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:41:35,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1733146501] [2024-05-04 20:41:35,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:41:35,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:41:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:41:40,712 INFO L134 CoverageAnalysis]: Checked inductivity of 5047 backedges. 1597 proven. 2038 refuted. 0 times theorem prover too weak. 1412 trivial. 0 not checked. [2024-05-04 20:41:40,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:41:40,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1733146501] [2024-05-04 20:41:40,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1733146501] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:41:40,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [834038197] [2024-05-04 20:41:40,713 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-04 20:41:40,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:41:40,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:41:40,715 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) [2024-05-04 20:41:40,716 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-05-04 20:41:41,040 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-04 20:41:41,041 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:41:41,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 1036 conjuncts, 82 conjunts are in the unsatisfiable core [2024-05-04 20:41:41,052 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:41:45,635 INFO L134 CoverageAnalysis]: Checked inductivity of 5047 backedges. 1786 proven. 1432 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2024-05-04 20:41:45,635 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:41:51,453 INFO L134 CoverageAnalysis]: Checked inductivity of 5047 backedges. 1831 proven. 1387 refuted. 0 times theorem prover too weak. 1829 trivial. 0 not checked. [2024-05-04 20:41:51,453 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [834038197] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:41:51,453 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:41:51,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 83, 83] total 240 [2024-05-04 20:41:51,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499400979] [2024-05-04 20:41:51,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:41:51,455 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 240 states [2024-05-04 20:41:51,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:41:51,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 240 interpolants. [2024-05-04 20:41:51,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6011, Invalid=51349, Unknown=0, NotChecked=0, Total=57360 [2024-05-04 20:41:51,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:51,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:41:51,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 240 states, 240 states have (on average 4.929166666666666) internal successors, (1183), 240 states have internal predecessors, (1183), 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) [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-04 20:41:51,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:41:56,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2024-05-04 20:41:56,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 20:41:56,388 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-05-04 20:41:56,583 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 [2024-05-04 20:41:56,583 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)] === [2024-05-04 20:41:56,583 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:41:56,584 INFO L85 PathProgramCache]: Analyzing trace with hash -1177980089, now seen corresponding path program 17 times [2024-05-04 20:41:56,584 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:41:56,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545692053] [2024-05-04 20:41:56,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:41:56,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:41:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:42:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 5353 backedges. 1260 proven. 2553 refuted. 0 times theorem prover too weak. 1540 trivial. 0 not checked. [2024-05-04 20:42:01,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:42:01,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545692053] [2024-05-04 20:42:01,757 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [545692053] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:42:01,757 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801984550] [2024-05-04 20:42:01,757 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-04 20:42:01,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:42:01,758 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:42:01,759 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) [2024-05-04 20:42:01,761 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-05-04 20:48:40,540 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-05-04 20:48:40,540 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:48:40,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 1832 conjuncts, 80 conjunts are in the unsatisfiable core [2024-05-04 20:48:40,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:48:46,038 INFO L134 CoverageAnalysis]: Checked inductivity of 5353 backedges. 0 proven. 2273 refuted. 0 times theorem prover too weak. 3080 trivial. 0 not checked. [2024-05-04 20:48:46,038 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:48:48,621 INFO L134 CoverageAnalysis]: Checked inductivity of 5353 backedges. 690 proven. 533 refuted. 0 times theorem prover too weak. 4130 trivial. 0 not checked. [2024-05-04 20:48:48,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801984550] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:48:48,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:48:48,622 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [83, 81, 33] total 185 [2024-05-04 20:48:48,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353743546] [2024-05-04 20:48:48,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:48:48,623 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2024-05-04 20:48:48,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:48:48,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2024-05-04 20:48:48,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1651, Invalid=32389, Unknown=0, NotChecked=0, Total=34040 [2024-05-04 20:48:48,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:48:48,628 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:48:48,629 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 5.518918918918919) internal successors, (1021), 185 states have internal predecessors, (1021), 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) [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:48:48,629 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 268 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 93 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 20:48:48,630 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-04 20:49:34,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 20:49:34,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 531 states. [2024-05-04 20:49:34,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-05-04 20:49:34,297 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 [2024-05-04 20:49:34,298 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)] === [2024-05-04 20:49:34,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:49:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 252371194, now seen corresponding path program 18 times [2024-05-04 20:49:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:49:34,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514946942] [2024-05-04 20:49:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:49:34,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:49:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-04 20:49:54,307 INFO L134 CoverageAnalysis]: Checked inductivity of 7297 backedges. 3580 proven. 2171 refuted. 0 times theorem prover too weak. 1546 trivial. 0 not checked. [2024-05-04 20:49:54,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-04 20:49:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514946942] [2024-05-04 20:49:54,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514946942] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-04 20:49:54,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1858344799] [2024-05-04 20:49:54,308 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-04 20:49:54,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-04 20:49:54,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-04 20:49:54,309 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) [2024-05-04 20:49:54,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-05-04 20:50:15,922 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2024-05-04 20:50:15,922 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-04 20:50:15,970 INFO L262 TraceCheckSpWp]: Trace formula consists of 2174 conjuncts, 102 conjunts are in the unsatisfiable core [2024-05-04 20:50:15,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-04 20:50:27,519 INFO L134 CoverageAnalysis]: Checked inductivity of 7297 backedges. 167 proven. 4049 refuted. 0 times theorem prover too weak. 3081 trivial. 0 not checked. [2024-05-04 20:50:27,519 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-04 20:50:31,130 INFO L134 CoverageAnalysis]: Checked inductivity of 7297 backedges. 816 proven. 1200 refuted. 0 times theorem prover too weak. 5281 trivial. 0 not checked. [2024-05-04 20:50:31,130 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1858344799] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-04 20:50:31,130 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-04 20:50:31,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [183, 103, 25] total 307 [2024-05-04 20:50:31,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925981545] [2024-05-04 20:50:31,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-04 20:50:31,132 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 307 states [2024-05-04 20:50:31,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-04 20:50:31,135 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 307 interpolants. [2024-05-04 20:50:31,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4488, Invalid=89454, Unknown=0, NotChecked=0, Total=93942 [2024-05-04 20:50:31,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:50:31,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-04 20:50:31,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 307 states, 307 states have (on average 3.9283387622149837) internal successors, (1206), 307 states have internal predecessors, (1206), 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) [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 324 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 271 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 96 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 90 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 531 states. [2024-05-04 20:50:31,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-05-04 20:51:27,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 327 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 271 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 534 states. [2024-05-04 20:51:27,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 579 states. [2024-05-04 20:51:27,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-05-04 20:51:27,311 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 [2024-05-04 20:51:27,312 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)] === [2024-05-04 20:51:27,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-04 20:51:27,312 INFO L85 PathProgramCache]: Analyzing trace with hash 119767045, now seen corresponding path program 19 times [2024-05-04 20:51:27,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-04 20:51:27,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2130528230] [2024-05-04 20:51:27,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-04 20:51:27,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-04 20:51:27,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2024-05-04 20:51:30,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2024-05-04 20:51:30,467 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Termination requested (timeout or resource limit) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:152) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:260) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:237) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:869) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:793) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:352) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:327) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:229) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:210) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:340) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-05-04 20:51:30,482 INFO L158 Benchmark]: Toolchain (without parser) took 815416.15ms. Allocated memory was 157.3MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 87.2MB in the beginning and 700.4MB in the end (delta: -613.2MB). Peak memory consumption was 1.1GB. Max. memory is 8.0GB. [2024-05-04 20:51:30,482 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-04 20:51:30,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.08ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 74.9MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-04 20:51:30,482 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.70ms. Allocated memory was 157.3MB in the beginning and 242.2MB in the end (delta: 84.9MB). Free memory was 74.9MB in the beginning and 209.4MB in the end (delta: -134.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-05-04 20:51:30,483 INFO L158 Benchmark]: Boogie Preprocessor took 49.15ms. Allocated memory is still 242.2MB. Free memory was 209.4MB in the beginning and 207.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-04 20:51:30,483 INFO L158 Benchmark]: RCFGBuilder took 893.48ms. Allocated memory is still 242.2MB. Free memory was 207.3MB in the beginning and 141.3MB in the end (delta: 66.0MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. [2024-05-04 20:51:30,483 INFO L158 Benchmark]: TraceAbstraction took 814152.87ms. Allocated memory was 242.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 140.2MB in the beginning and 700.4MB in the end (delta: -560.2MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. [2024-05-04 20:51:30,484 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-05-04 20:51:30,486 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 Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 157.3MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.08ms. Allocated memory is still 157.3MB. Free memory was 87.0MB in the beginning and 74.9MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 67.70ms. Allocated memory was 157.3MB in the beginning and 242.2MB in the end (delta: 84.9MB). Free memory was 74.9MB in the beginning and 209.4MB in the end (delta: -134.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * Boogie Preprocessor took 49.15ms. Allocated memory is still 242.2MB. Free memory was 209.4MB in the beginning and 207.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 893.48ms. Allocated memory is still 242.2MB. Free memory was 207.3MB in the beginning and 141.3MB in the end (delta: 66.0MB). Peak memory consumption was 66.1MB. Max. memory is 8.0GB. * TraceAbstraction took 814152.87ms. Allocated memory was 242.2MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 140.2MB in the beginning and 700.4MB in the end (delta: -560.2MB). Peak memory consumption was 1.0GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Termination requested (timeout or resource limit) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Termination requested (timeout or resource limit): de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkResolutionNode(Interpolator.java:275) [2024-05-04 20:51:30,491 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 RESULT: Ultimate could not prove your program: Toolchain returned no result. Completed graceful shutdown