/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 03:14:32,885 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 03:14:32,949 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 03:14:32,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 03:14:32,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 03:14:32,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 03:14:32,976 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 03:14:32,976 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 03:14:32,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 03:14:32,980 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 03:14:32,980 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 03:14:32,981 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 03:14:32,981 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 03:14:32,982 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 03:14:32,982 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 03:14:32,982 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 03:14:32,982 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 03:14:32,982 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 03:14:32,982 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 03:14:32,983 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 03:14:32,983 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 03:14:32,983 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 03:14:32,983 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 03:14:32,983 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 03:14:32,983 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 03:14:32,984 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 03:14:32,984 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 03:14:32,984 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 03:14:32,984 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 03:14:32,984 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:14:32,985 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 03:14:32,985 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 03:14:32,986 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-05 03:14:33,197 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 03:14:33,220 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 03:14:33,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 03:14:33,223 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 03:14:33,223 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 03:14:33,224 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2024-04-05 03:14:34,333 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 03:14:34,507 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 03:14:34,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-sorted.wvr.c [2024-04-05 03:14:34,513 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f4224fda8/86ab37d786bc4961898af3c6d12185a3/FLAG85d746342 [2024-04-05 03:14:34,525 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f4224fda8/86ab37d786bc4961898af3c6d12185a3 [2024-04-05 03:14:34,528 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 03:14:34,529 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 03:14:34,530 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 03:14:34,530 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 03:14:34,534 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 03:14:34,535 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,535 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc0b1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34, skipping insertion in model container [2024-04-05 03:14:34,535 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,558 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 03:14:34,689 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-sorted.wvr.c[2434,2447] [2024-04-05 03:14:34,695 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:14:34,705 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 03:14:34,724 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-sorted.wvr.c[2434,2447] [2024-04-05 03:14:34,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 03:14:34,740 INFO L206 MainTranslator]: Completed translation [2024-04-05 03:14:34,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34 WrapperNode [2024-04-05 03:14:34,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 03:14:34,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 03:14:34,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 03:14:34,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 03:14:34,747 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,753 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,769 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 108 [2024-04-05 03:14:34,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 03:14:34,770 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 03:14:34,770 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 03:14:34,770 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 03:14:34,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,779 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,784 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 03:14:34,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 03:14:34,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 03:14:34,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 03:14:34,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (1/1) ... [2024-04-05 03:14:34,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 03:14:34,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:34,851 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 03:14:34,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 03:14:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 03:14:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 03:14:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 03:14:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 03:14:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 03:14:34,894 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 03:14:34,894 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 03:14:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 03:14:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 03:14:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 03:14:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 03:14:34,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 03:14:34,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 03:14:34,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 03:14:34,896 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 03:14:34,897 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 03:14:34,976 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 03:14:34,978 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 03:14:35,208 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 03:14:35,217 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 03:14:35,217 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-05 03:14:35,218 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:14:35 BoogieIcfgContainer [2024-04-05 03:14:35,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 03:14:35,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 03:14:35,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 03:14:35,223 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 03:14:35,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 03:14:34" (1/3) ... [2024-04-05 03:14:35,223 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2880cf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:14:35, skipping insertion in model container [2024-04-05 03:14:35,223 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 03:14:34" (2/3) ... [2024-04-05 03:14:35,224 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2880cf4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 03:14:35, skipping insertion in model container [2024-04-05 03:14:35,224 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 03:14:35" (3/3) ... [2024-04-05 03:14:35,225 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-sorted.wvr.c [2024-04-05 03:14:35,230 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 03:14:35,237 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 03:14:35,237 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 03:14:35,237 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 03:14:35,305 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 03:14:35,335 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 03:14:35,336 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 03:14:35,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:35,338 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 03:14:35,342 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 03:14:35,383 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 03:14:35,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:35,394 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 03:14:35,398 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;@ee264b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-05 03:14:35,399 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 03:14:36,593 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:36,595 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:36,596 INFO L85 PathProgramCache]: Analyzing trace with hash -1803027862, now seen corresponding path program 1 times [2024-04-05 03:14:36,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:36,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035367321] [2024-04-05 03:14:36,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:36,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:36,917 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 03:14:36,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:36,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035367321] [2024-04-05 03:14:36,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035367321] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:14:36,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:14:36,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 03:14:36,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827178540] [2024-04-05 03:14:36,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:14:36,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 03:14:36,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:36,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 03:14:36,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 03:14:36,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:36,947 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:36,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:37,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:37,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 03:14:37,684 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:37,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:37,685 INFO L85 PathProgramCache]: Analyzing trace with hash -1499550826, now seen corresponding path program 1 times [2024-04-05 03:14:37,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:37,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494590389] [2024-04-05 03:14:37,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:37,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:38,071 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 03:14:38,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:38,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494590389] [2024-04-05 03:14:38,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494590389] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 03:14:38,072 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 03:14:38,072 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 03:14:38,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074173204] [2024-04-05 03:14:38,072 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 03:14:38,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 03:14:38,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:38,076 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 03:14:38,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 03:14:38,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:38,077 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:38,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:38,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:38,078 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:38,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:38,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 03:14:38,733 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:38,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:38,734 INFO L85 PathProgramCache]: Analyzing trace with hash -806310041, now seen corresponding path program 1 times [2024-04-05 03:14:38,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:38,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [881564815] [2024-04-05 03:14:38,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:38,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:38,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:39,011 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 03:14:39,011 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:39,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [881564815] [2024-04-05 03:14:39,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [881564815] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:14:39,012 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1357077730] [2024-04-05 03:14:39,012 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:39,012 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:39,012 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:39,066 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:14:39,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 03:14:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:39,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-05 03:14:39,177 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:14:39,345 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 03:14:39,345 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:14:39,521 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 03:14:39,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1357077730] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:14:39,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:14:39,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2024-04-05 03:14:39,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208018947] [2024-04-05 03:14:39,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:14:39,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-05 03:14:39,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:39,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-05 03:14:39,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=259, Unknown=0, NotChecked=0, Total=342 [2024-04-05 03:14:39,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:39,524 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:39,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 11.736842105263158) internal successors, (223), 19 states have internal predecessors, (223), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:39,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:39,524 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:39,525 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:40,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:40,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 03:14:40,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-05 03:14:40,424 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:40,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:40,424 INFO L85 PathProgramCache]: Analyzing trace with hash 1617842744, now seen corresponding path program 2 times [2024-04-05 03:14:40,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:40,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431923433] [2024-04-05 03:14:40,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:40,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:40,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:40,702 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:14:40,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:40,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431923433] [2024-04-05 03:14:40,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431923433] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:14:40,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [831925119] [2024-04-05 03:14:40,703 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:14:40,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:40,703 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:40,704 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:14:40,707 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 03:14:40,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:14:40,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:14:40,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-05 03:14:40,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:14:41,067 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:14:41,067 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:14:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:14:41,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [831925119] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:14:41,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:14:41,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 30 [2024-04-05 03:14:41,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550724674] [2024-04-05 03:14:41,318 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:14:41,319 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 03:14:41,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:41,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 03:14:41,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=698, Unknown=0, NotChecked=0, Total=870 [2024-04-05 03:14:41,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:41,320 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:41,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.0) internal successors, (300), 30 states have internal predecessors, (300), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:41,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:41,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:41,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:41,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:42,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:42,007 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 03:14:42,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:42,207 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:42,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:42,208 INFO L85 PathProgramCache]: Analyzing trace with hash 2114491401, now seen corresponding path program 3 times [2024-04-05 03:14:42,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:42,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [745672548] [2024-04-05 03:14:42,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:42,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:14:42,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [745672548] [2024-04-05 03:14:42,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [745672548] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:14:42,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [348770664] [2024-04-05 03:14:42,511 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:14:42,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:42,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:42,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:14:42,566 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 03:14:42,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-05 03:14:42,677 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:14:42,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 03:14:42,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:14:42,949 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 03:14:42,949 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:14:43,183 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 2 proven. 14 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-04-05 03:14:43,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [348770664] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:14:43,184 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:14:43,184 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 11, 11] total 31 [2024-04-05 03:14:43,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952210962] [2024-04-05 03:14:43,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:14:43,188 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-05 03:14:43,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:43,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-05 03:14:43,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-04-05 03:14:43,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:43,190 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:43,190 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 10.548387096774194) internal successors, (327), 31 states have internal predecessors, (327), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:43,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:43,190 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:43,191 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:45,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:45,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-05 03:14:45,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:45,311 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:45,311 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:45,311 INFO L85 PathProgramCache]: Analyzing trace with hash 149910627, now seen corresponding path program 1 times [2024-04-05 03:14:45,311 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:45,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454021883] [2024-04-05 03:14:45,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:45,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:45,719 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 47 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:14:45,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:45,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454021883] [2024-04-05 03:14:45,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454021883] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:14:45,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1719935731] [2024-04-05 03:14:45,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:45,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:45,721 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:14:45,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 03:14:45,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:45,827 INFO L262 TraceCheckSpWp]: Trace formula consists of 432 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 03:14:45,831 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:14:46,330 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 44 proven. 41 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 03:14:46,331 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:14:46,831 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 58 proven. 27 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 03:14:46,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1719935731] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:14:46,831 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:14:46,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 17, 17] total 44 [2024-04-05 03:14:46,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059549067] [2024-04-05 03:14:46,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:14:46,832 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-05 03:14:46,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:46,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-05 03:14:46,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1624, Unknown=0, NotChecked=0, Total=1892 [2024-04-05 03:14:46,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:46,834 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:46,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 9.681818181818182) internal successors, (426), 44 states have internal predecessors, (426), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:46,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:46,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:46,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:46,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:46,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:46,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:47,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:47,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:47,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:14:47,688 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 03:14:47,873 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-05 03:14:47,874 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:47,874 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:47,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1263681204, now seen corresponding path program 2 times [2024-04-05 03:14:47,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:47,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971649133] [2024-04-05 03:14:47,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:47,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:48,252 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 42 proven. 81 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:14:48,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:48,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971649133] [2024-04-05 03:14:48,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971649133] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:14:48,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [292522656] [2024-04-05 03:14:48,253 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:14:48,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:48,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:48,265 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:14:48,334 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 03:14:48,420 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:14:48,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:14:48,422 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-05 03:14:48,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:14:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 57 proven. 66 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:14:48,847 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:14:49,246 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 82 proven. 41 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:14:49,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [292522656] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:14:49,246 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:14:49,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 40 [2024-04-05 03:14:49,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577538488] [2024-04-05 03:14:49,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:14:49,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 40 states [2024-04-05 03:14:49,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:49,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2024-04-05 03:14:49,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=268, Invalid=1292, Unknown=0, NotChecked=0, Total=1560 [2024-04-05 03:14:49,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:49,249 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:49,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 40 states, 40 states have (on average 10.8) internal successors, (432), 40 states have internal predecessors, (432), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:14:49,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:50,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:14:50,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:14:50,100 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-05 03:14:50,289 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:50,289 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:50,289 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:50,289 INFO L85 PathProgramCache]: Analyzing trace with hash -424265569, now seen corresponding path program 3 times [2024-04-05 03:14:50,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:50,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837502132] [2024-04-05 03:14:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:50,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:14:50,813 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 117 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:14:50,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:14:50,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837502132] [2024-04-05 03:14:50,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837502132] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:14:50,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473673211] [2024-04-05 03:14:50,814 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:14:50,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:14:50,814 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:14:50,833 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:14:50,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 03:14:51,036 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-05 03:14:51,036 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:14:51,038 INFO L262 TraceCheckSpWp]: Trace formula consists of 486 conjuncts, 20 conjunts are in the unsatisfiable core [2024-04-05 03:14:51,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:14:51,791 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 45 proven. 120 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-04-05 03:14:51,792 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:14:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 138 proven. 27 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2024-04-05 03:14:52,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473673211] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:14:52,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:14:52,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 21, 19] total 58 [2024-04-05 03:14:52,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1418880281] [2024-04-05 03:14:52,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:14:52,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2024-04-05 03:14:52,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:14:52,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2024-04-05 03:14:52,514 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=3037, Unknown=0, NotChecked=0, Total=3306 [2024-04-05 03:14:52,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:52,514 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:14:52,514 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 10.241379310344827) internal successors, (594), 58 states have internal predecessors, (594), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:14:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:52,514 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:52,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:52,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:52,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:52,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:14:52,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:14:52,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:59,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:14:59,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:14:59,460 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 03:14:59,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-05 03:14:59,662 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:14:59,662 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:14:59,663 INFO L85 PathProgramCache]: Analyzing trace with hash -2119408268, now seen corresponding path program 4 times [2024-04-05 03:14:59,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:14:59,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1271258657] [2024-04-05 03:14:59,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:14:59,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:14:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 163 proven. 165 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-05 03:15:00,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:15:00,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1271258657] [2024-04-05 03:15:00,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1271258657] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:15:00,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804045923] [2024-04-05 03:15:00,356 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:15:00,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:15:00,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:15:00,360 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:15:00,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 03:15:00,483 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:15:00,484 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:15:00,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 24 conjunts are in the unsatisfiable core [2024-04-05 03:15:00,489 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:15:01,303 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 190 proven. 125 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-05 03:15:01,304 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:15:02,278 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 230 proven. 85 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-05 03:15:02,278 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804045923] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:15:02,278 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:15:02,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 25, 25] total 67 [2024-04-05 03:15:02,279 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399311795] [2024-04-05 03:15:02,279 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:15:02,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 67 states [2024-04-05 03:15:02,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:15:02,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2024-04-05 03:15:02,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=568, Invalid=3854, Unknown=0, NotChecked=0, Total=4422 [2024-04-05 03:15:02,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:02,281 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:15:02,282 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 67 states, 67 states have (on average 9.014925373134329) internal successors, (604), 67 states have internal predecessors, (604), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:02,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:03,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:03,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-05 03:15:04,143 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 [2024-04-05 03:15:04,143 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:15:04,144 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:15:04,144 INFO L85 PathProgramCache]: Analyzing trace with hash -479629501, now seen corresponding path program 5 times [2024-04-05 03:15:04,144 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:15:04,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713941812] [2024-04-05 03:15:04,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:15:04,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:15:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:04,913 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 142 proven. 242 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:15:04,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:15:04,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713941812] [2024-04-05 03:15:04,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713941812] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:15:04,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739340796] [2024-04-05 03:15:04,914 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:15:04,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:15:04,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:15:04,915 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:15:04,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-05 03:15:05,150 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2024-04-05 03:15:05,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:15:05,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 564 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-05 03:15:05,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:15:06,375 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 0 proven. 259 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-04-05 03:15:06,376 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:15:07,606 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 93 proven. 166 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2024-04-05 03:15:07,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739340796] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:15:07,606 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:15:07,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27, 25] total 79 [2024-04-05 03:15:07,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820679993] [2024-04-05 03:15:07,606 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:15:07,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-05 03:15:07,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:15:07,608 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-05 03:15:07,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=370, Invalid=5792, Unknown=0, NotChecked=0, Total=6162 [2024-04-05 03:15:07,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:07,610 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:15:07,610 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 9.240506329113924) internal successors, (730), 79 states have internal predecessors, (730), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:07,611 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:21,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:21,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:21,662 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-04-05 03:15:21,845 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 [2024-04-05 03:15:21,845 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 03:15:21,846 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:15:21,846 INFO L85 PathProgramCache]: Analyzing trace with hash -1292329847, now seen corresponding path program 6 times [2024-04-05 03:15:21,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:15:21,846 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539827397] [2024-04-05 03:15:21,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:15:21,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:15:21,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:22,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 609 proven. 361 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-04-05 03:15:22,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:15:22,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539827397] [2024-04-05 03:15:22,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539827397] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:15:22,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200474120] [2024-04-05 03:15:22,959 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 03:15:22,959 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:15:22,959 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:15:22,961 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:15:22,963 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-05 03:15:23,556 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2024-04-05 03:15:23,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:15:23,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 740 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-05 03:15:23,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:15:24,526 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 586 proven. 241 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-05 03:15:24,526 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:15:25,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1054 backedges. 652 proven. 175 refuted. 0 times theorem prover too weak. 227 trivial. 0 not checked. [2024-04-05 03:15:25,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200474120] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:15:25,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:15:25,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 91 [2024-04-05 03:15:25,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12015933] [2024-04-05 03:15:25,443 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:15:25,446 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2024-04-05 03:15:25,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:15:25,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2024-04-05 03:15:25,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=972, Invalid=7218, Unknown=0, NotChecked=0, Total=8190 [2024-04-05 03:15:25,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:25,453 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:15:25,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 8.87912087912088) internal successors, (808), 91 states have internal predecessors, (808), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:25,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:25,455 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:27,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:27,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:15:27,505 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-04-05 03:15:27,705 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 [2024-04-05 03:15:27,705 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)] === [2024-04-05 03:15:27,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:15:27,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1617579034, now seen corresponding path program 7 times [2024-04-05 03:15:27,706 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:15:27,706 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286825910] [2024-04-05 03:15:27,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:15:27,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:15:27,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:28,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 805 proven. 305 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:15:28,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:15:28,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286825910] [2024-04-05 03:15:28,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286825910] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:15:28,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [465687902] [2024-04-05 03:15:28,815 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 03:15:28,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:15:28,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:15:28,816 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:15:28,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-05 03:15:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:28,972 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-05 03:15:28,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:15:30,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 663 proven. 271 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-04-05 03:15:30,089 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:15:31,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1111 backedges. 702 proven. 232 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2024-04-05 03:15:31,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [465687902] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:15:31,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:15:31,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 103 [2024-04-05 03:15:31,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497927247] [2024-04-05 03:15:31,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:15:31,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 103 states [2024-04-05 03:15:31,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:15:31,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2024-04-05 03:15:31,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1224, Invalid=9282, Unknown=0, NotChecked=0, Total=10506 [2024-04-05 03:15:31,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:31,243 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:15:31,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 103 states, 103 states have (on average 9.067961165048544) internal successors, (934), 103 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:15:31,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:15:33,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:15:33,401 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-04-05 03:15:33,599 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 [2024-04-05 03:15:33,599 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)] === [2024-04-05 03:15:33,599 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:15:33,599 INFO L85 PathProgramCache]: Analyzing trace with hash -813704533, now seen corresponding path program 8 times [2024-04-05 03:15:33,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:15:33,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725466961] [2024-04-05 03:15:33,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:15:33,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:15:33,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 561 proven. 531 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-04-05 03:15:34,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:15:34,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725466961] [2024-04-05 03:15:34,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725466961] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:15:34,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037915576] [2024-04-05 03:15:34,922 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:15:34,922 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:15:34,922 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:15:34,923 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:15:34,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-05 03:15:35,104 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:15:35,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:15:35,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 40 conjunts are in the unsatisfiable core [2024-04-05 03:15:35,111 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:15:36,563 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 666 proven. 389 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-04-05 03:15:36,563 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:15:38,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 758 proven. 297 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-04-05 03:15:38,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1037915576] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:15:38,178 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:15:38,178 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 115 [2024-04-05 03:15:38,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365979420] [2024-04-05 03:15:38,178 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:15:38,179 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2024-04-05 03:15:38,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:15:38,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2024-04-05 03:15:38,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1522, Invalid=11588, Unknown=0, NotChecked=0, Total=13110 [2024-04-05 03:15:38,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:38,184 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:15:38,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 8.121739130434783) internal successors, (934), 115 states have internal predecessors, (934), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:15:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:38,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:15:38,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:15:40,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:15:40,630 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-05 03:15:40,830 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 [2024-04-05 03:15:40,831 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)] === [2024-04-05 03:15:40,831 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:15:40,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1240090684, now seen corresponding path program 9 times [2024-04-05 03:15:40,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:15:40,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131246330] [2024-04-05 03:15:40,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:15:40,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:15:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:15:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 248 proven. 1001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:15:42,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:15:42,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131246330] [2024-04-05 03:15:42,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131246330] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:15:42,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605153097] [2024-04-05 03:15:42,210 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:15:42,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:15:42,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:15:42,211 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:15:42,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-05 03:15:42,857 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2024-04-05 03:15:42,857 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:15:42,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-05 03:15:42,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:15:44,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 8 proven. 871 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 03:15:44,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:15:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 1249 backedges. 350 proven. 529 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2024-04-05 03:15:46,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605153097] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:15:46,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:15:46,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 45, 41] total 122 [2024-04-05 03:15:46,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1861896120] [2024-04-05 03:15:46,565 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:15:46,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 122 states [2024-04-05 03:15:46,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:15:46,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2024-04-05 03:15:46,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=894, Invalid=13868, Unknown=0, NotChecked=0, Total=14762 [2024-04-05 03:15:46,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:46,571 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:15:46,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 122 states, 122 states have (on average 8.950819672131148) internal successors, (1092), 122 states have internal predecessors, (1092), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:15:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:15:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:15:46,571 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:15:46,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:16:04,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-04-05 03:16:04,293 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-05 03:16:04,493 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 [2024-04-05 03:16:04,493 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)] === [2024-04-05 03:16:04,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:04,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1232755385, now seen corresponding path program 10 times [2024-04-05 03:16:04,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:16:04,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748355988] [2024-04-05 03:16:04,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:04,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:16:04,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 1907 proven. 1727 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:16:10,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:16:10,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748355988] [2024-04-05 03:16:10,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748355988] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:16:10,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1749991202] [2024-04-05 03:16:10,442 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-05 03:16:10,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:16:10,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:16:10,443 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:16:10,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-05 03:16:10,687 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-05 03:16:10,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:16:10,690 INFO L262 TraceCheckSpWp]: Trace formula consists of 1020 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-05 03:16:10,696 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:16:13,377 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 1870 proven. 422 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2024-04-05 03:16:13,378 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:16:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3634 backedges. 1922 proven. 370 refuted. 0 times theorem prover too weak. 1342 trivial. 0 not checked. [2024-04-05 03:16:16,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1749991202] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:16:16,176 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:16:16,176 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [103, 45, 45] total 185 [2024-04-05 03:16:16,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2053590933] [2024-04-05 03:16:16,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:16:16,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 185 states [2024-04-05 03:16:16,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:16:16,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2024-04-05 03:16:16,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2436, Invalid=31604, Unknown=0, NotChecked=0, Total=34040 [2024-04-05 03:16:16,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:16,183 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:16:16,183 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 185 states, 185 states have (on average 7.135135135135135) internal successors, (1320), 185 states have internal predecessors, (1320), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:16:16,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:16:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:16:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:16:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:16:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:16:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-04-05 03:16:16,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:16:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:16:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:16:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:16:17,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-04-05 03:16:17,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 03:16:17,826 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-05 03:16:18,026 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 [2024-04-05 03:16:18,028 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)] === [2024-04-05 03:16:18,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:18,029 INFO L85 PathProgramCache]: Analyzing trace with hash 915857814, now seen corresponding path program 11 times [2024-04-05 03:16:18,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:16:18,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1153487356] [2024-04-05 03:16:18,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:18,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:16:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:23,877 INFO L134 CoverageAnalysis]: Checked inductivity of 3715 backedges. 1907 proven. 1808 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:16:23,878 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:16:23,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1153487356] [2024-04-05 03:16:23,878 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1153487356] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:16:23,878 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927488315] [2024-04-05 03:16:23,878 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-05 03:16:23,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:16:23,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:16:23,879 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:16:23,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-05 03:16:24,612 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2024-04-05 03:16:24,613 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:16:24,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 1138 conjuncts, 48 conjunts are in the unsatisfiable core [2024-04-05 03:16:24,625 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:16:27,510 INFO L134 CoverageAnalysis]: Checked inductivity of 3715 backedges. 3089 proven. 451 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-05 03:16:27,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:16:30,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3715 backedges. 3089 proven. 451 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2024-04-05 03:16:30,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [927488315] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:16:30,805 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:16:30,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [105, 49, 49] total 195 [2024-04-05 03:16:30,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606547367] [2024-04-05 03:16:30,805 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:16:30,806 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2024-04-05 03:16:30,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:16:30,810 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2024-04-05 03:16:30,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2784, Invalid=35046, Unknown=0, NotChecked=0, Total=37830 [2024-04-05 03:16:30,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:30,815 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:16:30,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 9.061538461538461) internal successors, (1767), 195 states have internal predecessors, (1767), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 03:16:30,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:16:33,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:16:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2024-04-05 03:16:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-05 03:16:33,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:16:33,185 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-05 03:16:33,385 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 [2024-04-05 03:16:33,385 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)] === [2024-04-05 03:16:33,386 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:16:33,386 INFO L85 PathProgramCache]: Analyzing trace with hash -523608347, now seen corresponding path program 12 times [2024-04-05 03:16:33,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:16:33,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912683371] [2024-04-05 03:16:33,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:16:33,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:16:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:16:38,924 INFO L134 CoverageAnalysis]: Checked inductivity of 3804 backedges. 1907 proven. 1897 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 03:16:38,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:16:38,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912683371] [2024-04-05 03:16:38,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912683371] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:16:38,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365881602] [2024-04-05 03:16:38,925 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-05 03:16:38,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:16:38,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:16:38,926 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:16:38,928 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-05 03:16:39,886 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 15 check-sat command(s) [2024-04-05 03:16:39,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:16:39,895 INFO L262 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 78 conjunts are in the unsatisfiable core [2024-04-05 03:16:39,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:16:46,105 INFO L134 CoverageAnalysis]: Checked inductivity of 3804 backedges. 103 proven. 3250 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-04-05 03:16:46,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:16:54,010 INFO L134 CoverageAnalysis]: Checked inductivity of 3804 backedges. 0 proven. 3264 refuted. 0 times theorem prover too weak. 540 trivial. 0 not checked. [2024-04-05 03:16:54,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365881602] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:16:54,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:16:54,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [107, 69, 65] total 237 [2024-04-05 03:16:54,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483761493] [2024-04-05 03:16:54,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:16:54,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 237 states [2024-04-05 03:16:54,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:16:54,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 237 interpolants. [2024-04-05 03:16:54,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1895, Invalid=54037, Unknown=0, NotChecked=0, Total=55932 [2024-04-05 03:16:54,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:54,017 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:16:54,017 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 237 states, 237 states have (on average 8.054852320675106) internal successors, (1909), 237 states have internal predecessors, (1909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:16:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:16:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:16:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:16:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:16:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:16:54,017 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:16:54,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:19:08,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:19:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:19:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:19:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:19:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-05 03:19:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:19:08,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:19:08,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-04-05 03:19:08,877 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-05 03:19:09,077 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 [2024-04-05 03:19:09,077 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)] === [2024-04-05 03:19:09,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:19:09,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1542365701, now seen corresponding path program 13 times [2024-04-05 03:19:09,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:19:09,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136189414] [2024-04-05 03:19:09,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:19:09,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:19:09,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:19:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 11238 backedges. 8153 proven. 3084 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:19:27,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:19:27,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136189414] [2024-04-05 03:19:27,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136189414] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:19:27,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [89862836] [2024-04-05 03:19:27,639 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-05 03:19:27,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:19:27,639 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:19:27,640 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:19:27,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-04-05 03:19:27,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:19:27,974 INFO L262 TraceCheckSpWp]: Trace formula consists of 1724 conjuncts, 56 conjunts are in the unsatisfiable core [2024-04-05 03:19:27,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:19:31,983 INFO L134 CoverageAnalysis]: Checked inductivity of 11238 backedges. 4847 proven. 781 refuted. 0 times theorem prover too weak. 5610 trivial. 0 not checked. [2024-04-05 03:19:31,983 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:19:35,927 INFO L134 CoverageAnalysis]: Checked inductivity of 11238 backedges. 4991 proven. 637 refuted. 0 times theorem prover too weak. 5610 trivial. 0 not checked. [2024-04-05 03:19:35,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [89862836] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:19:35,928 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:19:35,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [171, 57, 57] total 277 [2024-04-05 03:19:35,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379682237] [2024-04-05 03:19:35,928 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:19:35,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 277 states [2024-04-05 03:19:35,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:19:35,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 277 interpolants. [2024-04-05 03:19:35,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5328, Invalid=71124, Unknown=0, NotChecked=0, Total=76452 [2024-04-05 03:19:35,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:19:35,945 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:19:35,947 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 277 states, 277 states have (on average 6.902527075812275) internal successors, (1912), 277 states have internal predecessors, (1912), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:19:35,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:19:35,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 827 states. [2024-04-05 03:19:35,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:19:40,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:19:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-05 03:19:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:19:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:19:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-04-05 03:19:40,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 03:19:40,063 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-04-05 03:19:40,262 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 [2024-04-05 03:19:40,263 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)] === [2024-04-05 03:19:40,263 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:19:40,263 INFO L85 PathProgramCache]: Analyzing trace with hash -960170420, now seen corresponding path program 14 times [2024-04-05 03:19:40,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:19:40,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [282979053] [2024-04-05 03:19:40,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:19:40,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:19:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:19:59,435 INFO L134 CoverageAnalysis]: Checked inductivity of 11343 backedges. 8153 proven. 3189 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:19:59,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:19:59,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [282979053] [2024-04-05 03:19:59,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [282979053] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:19:59,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903797990] [2024-04-05 03:19:59,436 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 03:19:59,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:19:59,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:19:59,471 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:19:59,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-05 03:19:59,807 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 03:19:59,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:19:59,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 1738 conjuncts, 60 conjunts are in the unsatisfiable core [2024-04-05 03:19:59,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:20:04,144 INFO L134 CoverageAnalysis]: Checked inductivity of 11343 backedges. 5144 proven. 820 refuted. 0 times theorem prover too weak. 5379 trivial. 0 not checked. [2024-04-05 03:20:04,144 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 03:20:08,766 INFO L134 CoverageAnalysis]: Checked inductivity of 11343 backedges. 5222 proven. 742 refuted. 0 times theorem prover too weak. 5379 trivial. 0 not checked. [2024-04-05 03:20:08,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903797990] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 03:20:08,766 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 03:20:08,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [173, 61, 61] total 287 [2024-04-05 03:20:08,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [445471857] [2024-04-05 03:20:08,767 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 03:20:08,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 287 states [2024-04-05 03:20:08,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 03:20:08,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 287 interpolants. [2024-04-05 03:20:08,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5733, Invalid=76349, Unknown=0, NotChecked=0, Total=82082 [2024-04-05 03:20:08,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:20:08,776 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 03:20:08,777 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 287 states, 287 states have (on average 6.83623693379791) internal successors, (1962), 287 states have internal predecessors, (1962), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 03:20:08,777 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 384 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 827 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2024-04-05 03:20:08,778 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 278 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 384 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 827 states. [2024-04-05 03:20:13,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-04-05 03:20:13,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2024-04-05 03:20:13,140 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-04-05 03:20:13,340 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 [2024-04-05 03:20:13,340 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)] === [2024-04-05 03:20:13,341 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 03:20:13,341 INFO L85 PathProgramCache]: Analyzing trace with hash 302493085, now seen corresponding path program 15 times [2024-04-05 03:20:13,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 03:20:13,341 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433813260] [2024-04-05 03:20:13,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 03:20:13,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 03:20:13,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 03:20:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 11456 backedges. 8153 proven. 3302 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 03:20:33,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 03:20:33,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433813260] [2024-04-05 03:20:33,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433813260] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 03:20:33,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1895860552] [2024-04-05 03:20:33,239 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-05 03:20:33,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 03:20:33,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 03:20:33,241 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 03:20:33,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-05 03:20:36,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 16 check-sat command(s) [2024-04-05 03:20:36,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 03:20:36,519 INFO L262 TraceCheckSpWp]: Trace formula consists of 1212 conjuncts, 350 conjunts are in the unsatisfiable core [2024-04-05 03:20:36,535 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 03:20:40,933 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-05 03:20:42,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 03:20:42,855 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 03:20:43,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 03:21:49,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:49,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-05 03:21:50,069 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-05 03:21:50,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 193 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 276 case distinctions, treesize of input 332 treesize of output 820 Received shutdown request... [2024-04-05 03:28:30,801 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:28:30,801 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:28:30,801 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-05 03:28:30,817 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-04-05 03:28:30,831 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-04-05 03:28:31,027 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 [2024-04-05 03:28:31,028 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-52-13-5-19-5-19-5-15-5-14-4-14-4-12-3-15-3-10-3-10-3-9-2-9-3-4-2-3-2-2-2-2-1 context. [2024-04-05 03:28:31,030 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-04-05 03:28:31,030 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-04-05 03:28:31,030 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-04-05 03:28:31,033 INFO L445 BasicCegarLoop]: Path program histogram: [15, 3, 1, 1] [2024-04-05 03:28:31,036 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-05 03:28:31,036 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-05 03:28:31,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.04 03:28:31 BasicIcfg [2024-04-05 03:28:31,038 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-05 03:28:31,038 INFO L158 Benchmark]: Toolchain (without parser) took 836509.42ms. Allocated memory was 197.1MB in the beginning and 3.7GB in the end (delta: 3.5GB). Free memory was 124.5MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2024-04-05 03:28:31,038 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-05 03:28:31,038 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.21ms. Allocated memory is still 197.1MB. Free memory was 124.3MB in the beginning and 112.6MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-05 03:28:31,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.05ms. Allocated memory is still 197.1MB. Free memory was 112.6MB in the beginning and 110.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 03:28:31,039 INFO L158 Benchmark]: Boogie Preprocessor took 24.42ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 109.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-05 03:28:31,039 INFO L158 Benchmark]: RCFGBuilder took 423.60ms. Allocated memory was 197.1MB in the beginning and 303.0MB in the end (delta: 105.9MB). Free memory was 108.8MB in the beginning and 254.6MB in the end (delta: -145.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. [2024-04-05 03:28:31,039 INFO L158 Benchmark]: TraceAbstraction took 835817.09ms. Allocated memory was 303.0MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 253.0MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. [2024-04-05 03:28:31,040 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 197.1MB. Free memory is still 129.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 211.21ms. Allocated memory is still 197.1MB. Free memory was 124.3MB in the beginning and 112.6MB in the end (delta: 11.7MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 28.05ms. Allocated memory is still 197.1MB. Free memory was 112.6MB in the beginning and 110.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.42ms. Allocated memory is still 197.1MB. Free memory was 110.6MB in the beginning and 109.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 423.60ms. Allocated memory was 197.1MB in the beginning and 303.0MB in the end (delta: 105.9MB). Free memory was 108.8MB in the beginning and 254.6MB in the end (delta: -145.8MB). Peak memory consumption was 11.1MB. Max. memory is 8.0GB. * TraceAbstraction took 835817.09ms. Allocated memory was 303.0MB in the beginning and 3.7GB in the end (delta: 3.4GB). Free memory was 253.0MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 2.7GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1832508, independent: 1665894, independent conditional: 1657451, independent unconditional: 8443, dependent: 166614, dependent conditional: 156895, dependent unconditional: 9719, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 1657451, independent unconditional: 8443, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 1657451, independent unconditional: 8443, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 1657451, independent unconditional: 8443, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 66703, independent unconditional: 1599191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 59642, independent unconditional: 1606252, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 59642, independent unconditional: 1606252, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2408, independent: 2408, independent conditional: 19, independent unconditional: 2389, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2408, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1665894, independent: 1663486, independent conditional: 59623, independent unconditional: 1603863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2408, unknown conditional: 19, unknown unconditional: 2389] , Statistics on independence cache: Total cache size (in pairs): 2408, Positive cache size: 2408, Positive conditional cache size: 19, Positive unconditional cache size: 2389, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7061, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 66703, independent unconditional: 1599191, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 59642, independent unconditional: 1606252, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1665894, independent: 1665894, independent conditional: 59642, independent unconditional: 1606252, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2408, independent: 2408, independent conditional: 19, independent unconditional: 2389, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2408, independent: 2408, independent conditional: 0, independent unconditional: 2408, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1665894, independent: 1663486, independent conditional: 59623, independent unconditional: 1603863, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 2408, unknown conditional: 19, unknown unconditional: 2389] , Statistics on independence cache: Total cache size (in pairs): 2408, Positive cache size: 2408, Positive conditional cache size: 19, Positive unconditional cache size: 2389, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7061 ], Independence queries for same thread: 166614 - TimeoutResultAtElement [Line: 92]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-52-13-5-19-5-19-5-15-5-14-4-14-4-12-3-15-3-10-3-10-3-9-2-9-3-4-2-3-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-52-13-5-19-5-19-5-15-5-14-4-14-4-12-3-15-3-10-3-10-3-9-2-9-3-4-2-3-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-52-13-5-19-5-19-5-15-5-14-4-14-4-12-3-15-3-10-3-10-3-9-2-9-3-4-2-3-2-2-2-2-1 context. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PartialOrderCegarLoop was analyzing trace of length 1155 with TraceHistMax 25,while TraceCheckSpWp was constructing forward predicates,while PolyPacSimplificationTermWalker was simplifying a ∧-3-1 term,while PolyPacSimplificationTermWalker was simplifying 3 xjuncts wrt. a ∧-52-13-5-19-5-19-5-15-5-14-4-14-4-12-3-15-3-10-3-10-3-9-2-9-3-4-2-3-2-2-2-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 230 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 835.7s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 15, EmptinessCheckTime: 201.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 2224, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.7s SsaConstructionTime, 4.4s SatisfiabilityAnalysisTime, 125.7s InterpolantComputationTime, 16508 NumberOfCodeBlocks, 16389 NumberOfCodeBlocksAsserted, 95 NumberOfCheckSat, 24557 ConstructedInterpolants, 0 QuantifiedInterpolants, 140002 SizeOfPredicates, 563 NumberOfNonLiveVariables, 13224 ConjunctsInSsa, 570 ConjunctsInUnsatCore, 53 InterpolantComputations, 2 PerfectInterpolantSequences, 88979/118772 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown