/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 213 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 12:21:02,890 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 12:21:02,953 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 12:21:02,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 12:21:02,959 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 12:21:02,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 12:21:02,993 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 12:21:02,993 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 12:21:02,994 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 12:21:02,997 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 12:21:02,997 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 12:21:02,997 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 12:21:02,997 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 12:21:02,998 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 12:21:02,998 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 12:21:02,998 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 12:21:02,998 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 12:21:02,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 12:21:02,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 12:21:02,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 12:21:02,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 12:21:03,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 12:21:03,000 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 12:21:03,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 12:21:03,001 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 12:21:03,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 12:21:03,001 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 12:21:03,001 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 12:21:03,001 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 12:21:03,001 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:21:03,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 12:21:03,003 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 12:21:03,004 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 [2024-04-04 12:21:03,211 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 12:21:03,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 12:21:03,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 12:21:03,237 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 12:21:03,237 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 12:21:03,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2024-04-04 12:21:04,262 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 12:21:04,525 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 12:21:04,526 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i [2024-04-04 12:21:04,542 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aea455ac0/06f076e35c3043e8a3d48ef801da30ee/FLAGa43c4038e [2024-04-04 12:21:04,562 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/aea455ac0/06f076e35c3043e8a3d48ef801da30ee [2024-04-04 12:21:04,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 12:21:04,567 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 12:21:04,569 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 12:21:04,570 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 12:21:04,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 12:21:04,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:21:04" (1/1) ... [2024-04-04 12:21:04,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e4bd125 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:04, skipping insertion in model container [2024-04-04 12:21:04,575 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 12:21:04" (1/1) ... [2024-04-04 12:21:04,628 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 12:21:04,901 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2024-04-04 12:21:04,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:21:04,961 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 12:21:04,995 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_72-funloop_hard_racing.i[41323,41336] [2024-04-04 12:21:05,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 12:21:05,043 INFO L206 MainTranslator]: Completed translation [2024-04-04 12:21:05,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05 WrapperNode [2024-04-04 12:21:05,044 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 12:21:05,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 12:21:05,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 12:21:05,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 12:21:05,049 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,067 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,087 INFO L138 Inliner]: procedures = 272, calls = 49, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 288 [2024-04-04 12:21:05,088 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 12:21:05,088 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 12:21:05,088 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 12:21:05,088 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 12:21:05,101 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,115 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,115 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,136 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,138 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,141 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 12:21:05,142 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 12:21:05,142 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 12:21:05,142 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 12:21:05,143 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (1/1) ... [2024-04-04 12:21:05,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 12:21:05,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:05,178 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:05,202 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2024-04-04 12:21:05,226 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 12:21:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2024-04-04 12:21:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2024-04-04 12:21:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 12:21:05,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 12:21:05,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 12:21:05,229 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 12:21:05,362 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 12:21:05,363 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 12:21:05,696 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 12:21:05,756 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 12:21:05,756 INFO L309 CfgBuilder]: Removed 35 assume(true) statements. [2024-04-04 12:21:05,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:21:05 BoogieIcfgContainer [2024-04-04 12:21:05,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 12:21:05,759 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 12:21:05,759 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 12:21:05,762 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 12:21:05,762 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 12:21:04" (1/3) ... [2024-04-04 12:21:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76716caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:21:05, skipping insertion in model container [2024-04-04 12:21:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 12:21:05" (2/3) ... [2024-04-04 12:21:05,763 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76716caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 12:21:05, skipping insertion in model container [2024-04-04 12:21:05,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 12:21:05" (3/3) ... [2024-04-04 12:21:05,764 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_72-funloop_hard_racing.i [2024-04-04 12:21:05,770 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 12:21:05,777 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 12:21:05,777 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2024-04-04 12:21:05,777 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 12:21:05,826 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2024-04-04 12:21:05,855 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:05,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:05,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:05,858 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:05,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 12:21:05,884 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:05,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:05,893 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:05,898 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:05,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 12:21:05,926 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 12:21:05,927 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:05,927 INFO L85 PathProgramCache]: Analyzing trace with hash 700882477, now seen corresponding path program 1 times [2024-04-04 12:21:05,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:05,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528550986] [2024-04-04 12:21:05,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:05,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:06,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:06,225 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:06,226 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:06,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528550986] [2024-04-04 12:21:06,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528550986] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:06,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:06,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:06,228 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861924773] [2024-04-04 12:21:06,229 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:06,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:06,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:06,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:06,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:06,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:06,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:06,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:06,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:06,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:06,329 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 12:21:06,329 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 12:21:06,330 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:06,330 INFO L85 PathProgramCache]: Analyzing trace with hash -1073560970, now seen corresponding path program 1 times [2024-04-04 12:21:06,330 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:06,330 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105042510] [2024-04-04 12:21:06,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:06,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:06,432 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:06,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:06,433 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105042510] [2024-04-04 12:21:06,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105042510] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:06,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2018143301] [2024-04-04 12:21:06,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:06,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:06,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:06,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:06,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 12:21:06,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:06,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:06,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:06,624 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:06,625 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:06,650 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:06,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2018143301] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:06,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:06,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:06,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887737851] [2024-04-04 12:21:06,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:06,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:06,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:06,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:06,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:06,660 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:06,660 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.1) internal successors, (61), 10 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:06,660 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:06,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:06,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:06,731 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-04-04 12:21:06,920 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,SelfDestructingSolverStorable1 [2024-04-04 12:21:06,921 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 12:21:06,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:06,922 INFO L85 PathProgramCache]: Analyzing trace with hash 870645974, now seen corresponding path program 2 times [2024-04-04 12:21:06,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:06,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684762005] [2024-04-04 12:21:06,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:06,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:06,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:07,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:07,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684762005] [2024-04-04 12:21:07,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1684762005] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:07,113 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [156606463] [2024-04-04 12:21:07,113 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:07,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:07,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:07,126 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:07,166 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 12:21:07,219 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:07,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:07,220 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:07,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:07,274 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:07,274 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:07,365 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:07,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [156606463] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:07,365 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:07,366 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:07,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140458306] [2024-04-04 12:21:07,366 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:07,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:07,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:07,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:07,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:07,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:07,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:07,380 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.5) internal successors, (81), 18 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:07,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:07,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:07,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:07,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:07,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:07,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:07,542 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 12:21:07,743 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:07,743 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 12:21:07,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:07,744 INFO L85 PathProgramCache]: Analyzing trace with hash 1644696982, now seen corresponding path program 3 times [2024-04-04 12:21:07,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:07,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771535278] [2024-04-04 12:21:07,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:07,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:08,050 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:08,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771535278] [2024-04-04 12:21:08,050 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771535278] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:08,050 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1929745135] [2024-04-04 12:21:08,050 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:08,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:08,051 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:08,051 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:08,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 12:21:08,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-04-04 12:21:08,156 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:08,157 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 16 conjunts are in the unsatisfiable core [2024-04-04 12:21:08,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:08,220 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:08,220 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:08,367 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-04-04 12:21:08,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1929745135] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:08,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:08,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2024-04-04 12:21:08,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710498962] [2024-04-04 12:21:08,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:08,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:08,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:08,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:08,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:08,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:08,374 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:08,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.173913043478261) internal successors, (96), 23 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:08,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:08,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:08,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:08,375 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:08,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:08,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:08,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:08,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:08,615 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-04 12:21:08,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:08,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2024-04-04 12:21:08,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:08,817 INFO L85 PathProgramCache]: Analyzing trace with hash -1535464883, now seen corresponding path program 4 times [2024-04-04 12:21:08,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:08,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301418023] [2024-04-04 12:21:08,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:08,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:08,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:08,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:08,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:08,902 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:08,903 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining) [2024-04-04 12:21:08,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2024-04-04 12:21:08,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining) [2024-04-04 12:21:08,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining) [2024-04-04 12:21:08,904 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2024-04-04 12:21:08,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 12:21:08,907 INFO L445 BasicCegarLoop]: Path program histogram: [4, 1] [2024-04-04 12:21:08,915 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:08,915 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2024-04-04 12:21:08,949 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 12:21:08,952 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:08,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:08,952 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:08,965 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:08,996 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Waiting until timeout for monitored process [2024-04-04 12:21:08,998 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:08,998 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:08,998 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:08,999 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:08,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-04-04 12:21:09,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 12:21:09,031 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:09,031 INFO L85 PathProgramCache]: Analyzing trace with hash -368786518, now seen corresponding path program 1 times [2024-04-04 12:21:09,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:09,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778520745] [2024-04-04 12:21:09,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:09,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:09,080 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:09,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778520745] [2024-04-04 12:21:09,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [778520745] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:09,081 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:09,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:09,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658778917] [2024-04-04 12:21:09,081 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:09,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:09,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:09,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:09,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:09,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:09,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:09,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:09,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:09,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-04-04 12:21:09,150 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 12:21:09,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:09,150 INFO L85 PathProgramCache]: Analyzing trace with hash -1959824080, now seen corresponding path program 1 times [2024-04-04 12:21:09,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:09,150 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122729087] [2024-04-04 12:21:09,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:09,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:09,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:09,231 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,231 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:09,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122729087] [2024-04-04 12:21:09,232 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122729087] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:09,232 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1730277223] [2024-04-04 12:21:09,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:09,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:09,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:09,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:09,249 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 12:21:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:09,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:09,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:09,363 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,363 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:09,384 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,384 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1730277223] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:09,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:09,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:09,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495909313] [2024-04-04 12:21:09,385 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:09,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:09,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:09,394 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:09,394 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:09,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:09,394 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:09,394 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.5) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:09,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:09,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:09,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:09,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:09,473 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:09,651 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 [2024-04-04 12:21:09,652 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 12:21:09,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:09,652 INFO L85 PathProgramCache]: Analyzing trace with hash 507978672, now seen corresponding path program 2 times [2024-04-04 12:21:09,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:09,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666886219] [2024-04-04 12:21:09,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:09,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:09,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:09,732 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:09,732 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666886219] [2024-04-04 12:21:09,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666886219] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:09,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2044717728] [2024-04-04 12:21:09,733 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:09,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:09,733 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:09,748 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:09,800 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 12:21:09,891 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:09,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:09,892 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:09,893 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:09,921 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,921 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:09,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2044717728] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:09,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:09,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:09,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110750588] [2024-04-04 12:21:09,983 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:09,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:09,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:09,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:09,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:09,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:09,992 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:09,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.277777777777778) internal successors, (95), 18 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:09,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:09,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:09,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:10,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:10,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:10,137 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:10,339 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 [2024-04-04 12:21:10,339 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 12:21:10,339 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:10,340 INFO L85 PathProgramCache]: Analyzing trace with hash 1231429808, now seen corresponding path program 3 times [2024-04-04 12:21:10,340 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:10,340 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1014339083] [2024-04-04 12:21:10,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:10,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:10,511 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:10,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1014339083] [2024-04-04 12:21:10,512 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1014339083] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:10,512 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733862681] [2024-04-04 12:21:10,512 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:10,512 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:10,512 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:10,513 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:10,516 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 12:21:10,609 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 12:21:10,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:10,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:10,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:10,853 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 11 treesize of output 7 [2024-04-04 12:21:11,016 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 12:21:11,016 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:11,103 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:11,168 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-04-04 12:21:11,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733862681] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:11,169 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:11,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 12:21:11,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143968800] [2024-04-04 12:21:11,169 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:11,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 12:21:11,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:11,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 12:21:11,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-04 12:21:11,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:11,189 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:11,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 6.28125) internal successors, (201), 32 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:11,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:11,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:11,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:11,189 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:11,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:11,770 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:11,963 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 [2024-04-04 12:21:11,964 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 12:21:11,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:11,967 INFO L85 PathProgramCache]: Analyzing trace with hash -712979179, now seen corresponding path program 1 times [2024-04-04 12:21:11,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:11,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797258252] [2024-04-04 12:21:11,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:11,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:12,168 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:12,168 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:12,168 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797258252] [2024-04-04 12:21:12,168 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797258252] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:12,169 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [168329502] [2024-04-04 12:21:12,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:12,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:12,169 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:12,170 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:12,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 12:21:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:12,318 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:12,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:12,379 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:12,564 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-04 12:21:12,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [168329502] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:12,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:12,565 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:12,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1075127780] [2024-04-04 12:21:12,568 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:12,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:12,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:12,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:12,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:12,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:12,580 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:12,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 4.695652173913044) internal successors, (108), 23 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:12,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:12,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:12,580 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:12,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:12,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:12,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:12,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:12,879 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:13,077 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 [2024-04-04 12:21:13,077 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 3 more)] === [2024-04-04 12:21:13,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1752755861, now seen corresponding path program 2 times [2024-04-04 12:21:13,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:13,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142033895] [2024-04-04 12:21:13,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:13,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:13,102 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:13,133 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:13,133 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:13,133 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 6 remaining) [2024-04-04 12:21:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining) [2024-04-04 12:21:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining) [2024-04-04 12:21:13,134 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining) [2024-04-04 12:21:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 6 remaining) [2024-04-04 12:21:13,136 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 6 remaining) [2024-04-04 12:21:13,136 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-04 12:21:13,138 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1] [2024-04-04 12:21:13,138 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:13,139 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2024-04-04 12:21:13,172 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-04 12:21:13,176 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:13,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:13,176 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:13,177 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:13,183 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:13,183 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,183 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:13,183 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:13,183 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2024-04-04 12:21:13,201 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Waiting until timeout for monitored process [2024-04-04 12:21:13,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:13,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,213 INFO L85 PathProgramCache]: Analyzing trace with hash 598061514, now seen corresponding path program 1 times [2024-04-04 12:21:13,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:13,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093404175] [2024-04-04 12:21:13,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:13,247 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-04-04 12:21:13,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:13,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093404175] [2024-04-04 12:21:13,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093404175] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:13,247 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:13,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:13,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964128871] [2024-04-04 12:21:13,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:13,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:13,248 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:13,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:13,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:13,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:13,303 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:13,303 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:13,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:13,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:13,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-04-04 12:21:13,352 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:13,352 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,352 INFO L85 PathProgramCache]: Analyzing trace with hash 1195334197, now seen corresponding path program 1 times [2024-04-04 12:21:13,352 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:13,352 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501779465] [2024-04-04 12:21:13,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:13,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:13,397 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:13,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:13,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501779465] [2024-04-04 12:21:13,398 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [501779465] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:13,398 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [629124390] [2024-04-04 12:21:13,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:13,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:13,406 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:13,431 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 12:21:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:13,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:13,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:13,531 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:13,531 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:13,550 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:13,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [629124390] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:13,550 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:13,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:13,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134007602] [2024-04-04 12:21:13,550 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:13,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:13,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:13,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:13,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:13,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:13,563 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:13,563 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 9.0) internal successors, (90), 10 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:13,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:13,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:13,639 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:13,825 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:13,825 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:13,826 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:13,826 INFO L85 PathProgramCache]: Analyzing trace with hash -500207019, now seen corresponding path program 2 times [2024-04-04 12:21:13,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:13,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180904651] [2024-04-04 12:21:13,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:13,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:13,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:13,905 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:13,906 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:13,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180904651] [2024-04-04 12:21:13,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180904651] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:13,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [888742820] [2024-04-04 12:21:13,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:13,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:13,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:13,921 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:13,960 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 12:21:14,048 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:14,049 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:14,050 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:14,051 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:14,080 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:14,080 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:14,149 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:14,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [888742820] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:14,149 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:14,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:14,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289746102] [2024-04-04 12:21:14,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:14,150 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:14,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:14,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:14,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:14,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:14,161 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:14,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.111111111111111) internal successors, (110), 18 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:14,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:14,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:14,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:14,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:14,319 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:14,514 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,SelfDestructingSolverStorable13 [2024-04-04 12:21:14,514 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:14,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:14,515 INFO L85 PathProgramCache]: Analyzing trace with hash 1267378837, now seen corresponding path program 3 times [2024-04-04 12:21:14,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:14,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156973444] [2024-04-04 12:21:14,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:14,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:14,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:14,729 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:14,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:14,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [156973444] [2024-04-04 12:21:14,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [156973444] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:14,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [640303326] [2024-04-04 12:21:14,730 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:14,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:14,730 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:14,742 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:14,768 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-04-04 12:21:14,854 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 12:21:14,854 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:14,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:14,857 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:15,072 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 11 treesize of output 7 [2024-04-04 12:21:15,230 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-04 12:21:15,230 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:15,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:15,401 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2024-04-04 12:21:15,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [640303326] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:15,402 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:15,402 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 9] total 32 [2024-04-04 12:21:15,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110901896] [2024-04-04 12:21:15,402 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:15,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-04-04 12:21:15,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:15,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-04-04 12:21:15,417 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=868, Unknown=0, NotChecked=0, Total=992 [2024-04-04 12:21:15,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:15,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:15,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 32 states have (on average 8.0) internal successors, (256), 32 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:15,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:16,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:16,049 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:16,242 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,SelfDestructingSolverStorable14 [2024-04-04 12:21:16,242 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:16,242 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:16,242 INFO L85 PathProgramCache]: Analyzing trace with hash -624715901, now seen corresponding path program 1 times [2024-04-04 12:21:16,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:16,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970715001] [2024-04-04 12:21:16,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:16,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:16,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:16,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970715001] [2024-04-04 12:21:16,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970715001] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:16,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1931918234] [2024-04-04 12:21:16,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:16,501 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:16,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:16,502 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:16,528 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-04-04 12:21:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:16,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:16,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:16,673 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-04-04 12:21:16,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1931918234] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:16,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:16,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:16,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655336344] [2024-04-04 12:21:16,831 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:16,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:16,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:16,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:16,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:16,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:16,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.3478260869565215) internal successors, (123), 23 states have internal predecessors, (123), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:16,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:16,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:16,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:16,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:16,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:17,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:17,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:17,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:17,270 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,SelfDestructingSolverStorable15 [2024-04-04 12:21:17,271 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:17,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:17,271 INFO L85 PathProgramCache]: Analyzing trace with hash -64027805, now seen corresponding path program 2 times [2024-04-04 12:21:17,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:17,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969289510] [2024-04-04 12:21:17,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:17,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:17,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:17,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969289510] [2024-04-04 12:21:17,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969289510] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:17,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981978259] [2024-04-04 12:21:17,980 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:17,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:17,981 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:17,981 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:18,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-04-04 12:21:18,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:18,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:18,115 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:21:18,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:18,238 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 13 treesize of output 9 [2024-04-04 12:21:18,339 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:18,339 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:18,405 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:18,453 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 35 proven. 5 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:18,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981978259] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:18,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:18,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:18,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914557458] [2024-04-04 12:21:18,454 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:18,456 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:18,456 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:18,516 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:18,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:18,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:18,516 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:18,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 8.153846153846153) internal successors, (212), 26 states have internal predecessors, (212), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:18,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:18,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:18,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:18,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-04-04 12:21:18,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:18,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:18,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:18,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:18,832 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:19,021 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,SelfDestructingSolverStorable16 [2024-04-04 12:21:19,021 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:19,021 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:19,022 INFO L85 PathProgramCache]: Analyzing trace with hash -2137989880, now seen corresponding path program 1 times [2024-04-04 12:21:19,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:19,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483453199] [2024-04-04 12:21:19,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:19,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:19,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:19,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483453199] [2024-04-04 12:21:19,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483453199] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:19,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [965265959] [2024-04-04 12:21:19,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:19,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:19,471 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:19,484 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:19,485 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-04-04 12:21:19,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:19,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:21:19,630 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:19,729 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 13 treesize of output 9 [2024-04-04 12:21:19,857 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 30 proven. 10 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:19,857 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:19,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:19,981 INFO L134 CoverageAnalysis]: Checked inductivity of 280 backedges. 25 proven. 15 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2024-04-04 12:21:19,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [965265959] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:19,981 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:19,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:19,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087993502] [2024-04-04 12:21:19,981 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:19,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:19,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:20,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:20,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=571, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:20,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:20,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:20,026 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.076923076923077) internal successors, (236), 26 states have internal predecessors, (236), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:20,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:20,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:20,330 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-04-04 12:21:20,523 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,SelfDestructingSolverStorable17 [2024-04-04 12:21:20,523 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2024-04-04 12:21:20,524 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:20,524 INFO L85 PathProgramCache]: Analyzing trace with hash 1993793129, now seen corresponding path program 1 times [2024-04-04 12:21:20,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:20,524 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713151783] [2024-04-04 12:21:20,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:20,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:20,539 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:20,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:20,557 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:20,557 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:20,557 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 7 remaining) [2024-04-04 12:21:20,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 7 remaining) [2024-04-04 12:21:20,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 7 remaining) [2024-04-04 12:21:20,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 7 remaining) [2024-04-04 12:21:20,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 7 remaining) [2024-04-04 12:21:20,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 7 remaining) [2024-04-04 12:21:20,558 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 7 remaining) [2024-04-04 12:21:20,558 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-04-04 12:21:20,559 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-04 12:21:20,559 WARN L233 ceAbstractionStarter]: 3 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:20,559 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 4 thread instances. [2024-04-04 12:21:20,584 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 12:21:20,587 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:20,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:20,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:20,601 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:20,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Waiting until timeout for monitored process [2024-04-04 12:21:20,630 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:20,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:20,631 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:20,631 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:20,631 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2024-04-04 12:21:20,666 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:20,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:20,666 INFO L85 PathProgramCache]: Analyzing trace with hash -1194040010, now seen corresponding path program 1 times [2024-04-04 12:21:20,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:20,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1995947905] [2024-04-04 12:21:20,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:20,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:20,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:20,708 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2024-04-04 12:21:20,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:20,708 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1995947905] [2024-04-04 12:21:20,708 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1995947905] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:20,709 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:20,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:20,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448011498] [2024-04-04 12:21:20,709 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:20,709 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:20,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:20,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:20,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:20,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:20,795 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:20,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 32.666666666666664) internal successors, (98), 3 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:20,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:20,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:20,863 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-04-04 12:21:20,864 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:20,864 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:20,864 INFO L85 PathProgramCache]: Analyzing trace with hash -1156516566, now seen corresponding path program 1 times [2024-04-04 12:21:20,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:20,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969449009] [2024-04-04 12:21:20,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:20,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:20,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:20,914 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:20,914 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:20,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969449009] [2024-04-04 12:21:20,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969449009] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:20,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223320907] [2024-04-04 12:21:20,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:20,914 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:20,914 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:20,917 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:20,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-04-04 12:21:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:21,092 INFO L262 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:21,093 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:21,105 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:21,105 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:21,124 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:21,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1223320907] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:21,124 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:21,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:21,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60758888] [2024-04-04 12:21:21,124 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:21,125 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:21,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:21,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:21,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:21,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:21,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:21,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 11.5) internal successors, (115), 10 states have internal predecessors, (115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:21,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:21,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:21,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:21,230 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:21,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-04-04 12:21:21,416 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:21,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:21,417 INFO L85 PathProgramCache]: Analyzing trace with hash -2005481558, now seen corresponding path program 2 times [2024-04-04 12:21:21,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:21,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712304948] [2024-04-04 12:21:21,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:21,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:21,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:21,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:21,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712304948] [2024-04-04 12:21:21,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712304948] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:21,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1577087719] [2024-04-04 12:21:21,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:21,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:21,522 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:21,523 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:21,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-04-04 12:21:21,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:21,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:21,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:21,683 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:21,704 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:21,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:21,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1577087719] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:21,775 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:21,775 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:21,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726970081] [2024-04-04 12:21:21,775 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:21,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:21,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:21,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:21,792 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:21,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:21,793 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:21,793 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 7.5) internal successors, (135), 18 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:21,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:21,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:21,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:21,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:21,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:21,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:21,988 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:22,181 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,20 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:22,181 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:22,181 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:22,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1755640662, now seen corresponding path program 3 times [2024-04-04 12:21:22,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:22,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462317835] [2024-04-04 12:21:22,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:22,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:22,372 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:22,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:22,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462317835] [2024-04-04 12:21:22,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462317835] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:22,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565086850] [2024-04-04 12:21:22,372 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:22,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:22,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:22,379 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:22,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-04-04 12:21:22,544 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-04-04 12:21:22,544 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:22,545 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 12:21:22,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:23,021 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 11 treesize of output 7 [2024-04-04 12:21:23,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:23,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 12:21:23,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:23,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 12:21:23,299 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-04-04 12:21:23,299 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:23,370 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1008 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1008) |c_~#cache~0.base|) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:23,402 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1008 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1008) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:23,422 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:23,422 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:21:23,428 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:23,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:21:23,431 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:21:23,650 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 30 not checked. [2024-04-04 12:21:23,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565086850] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:23,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:23,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 12:21:23,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848894888] [2024-04-04 12:21:23,651 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:23,651 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 12:21:23,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:23,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 12:21:23,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=1040, Unknown=2, NotChecked=134, Total=1332 [2024-04-04 12:21:23,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:23,732 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:23,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 9.432432432432432) internal successors, (349), 37 states have internal predecessors, (349), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:23,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:23,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:23,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:23,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:24,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:24,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:24,748 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2024-04-04 12:21:24,749 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:24,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:24,749 INFO L85 PathProgramCache]: Analyzing trace with hash -2128885073, now seen corresponding path program 1 times [2024-04-04 12:21:24,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:24,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [842514408] [2024-04-04 12:21:24,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:24,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:24,960 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:24,961 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:24,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [842514408] [2024-04-04 12:21:24,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [842514408] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:24,961 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581752163] [2024-04-04 12:21:24,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:24,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:24,961 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:24,979 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:24,980 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-04-04 12:21:25,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:25,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:25,151 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:25,195 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:25,195 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:25,325 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 12:21:25,326 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1581752163] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:25,326 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:25,326 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:25,326 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530827013] [2024-04-04 12:21:25,326 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:25,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:25,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:25,346 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:25,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:25,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:25,347 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:25,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 6.434782608695652) internal successors, (148), 23 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:25,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:25,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:25,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:25,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:25,347 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:25,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:25,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:25,590 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:25,776 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,22 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:25,776 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:25,776 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:25,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1394231343, now seen corresponding path program 2 times [2024-04-04 12:21:25,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:25,776 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557926569] [2024-04-04 12:21:25,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:25,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:25,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:26,223 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:26,224 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:26,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557926569] [2024-04-04 12:21:26,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1557926569] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:26,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [997949186] [2024-04-04 12:21:26,224 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:26,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:26,224 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:26,240 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:26,252 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-04-04 12:21:26,424 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:26,424 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:26,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:26,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:26,630 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 11 treesize of output 7 [2024-04-04 12:21:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:26,779 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:26,856 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:26,906 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 55 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:26,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [997949186] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:26,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:26,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:26,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774878827] [2024-04-04 12:21:26,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:26,907 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:26,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:26,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:26,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:26,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:26,943 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:26,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 9.923076923076923) internal successors, (258), 26 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2024-04-04 12:21:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:26,944 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:27,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:27,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:27,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:27,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:21:27,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:27,632 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-04-04 12:21:27,632 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:27,632 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:27,633 INFO L85 PathProgramCache]: Analyzing trace with hash 2146101693, now seen corresponding path program 1 times [2024-04-04 12:21:27,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:27,633 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452018784] [2024-04-04 12:21:27,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:27,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:28,139 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:28,140 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:28,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452018784] [2024-04-04 12:21:28,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452018784] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:28,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451723010] [2024-04-04 12:21:28,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:28,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:28,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:28,141 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:28,171 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-04-04 12:21:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:28,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 383 conjuncts, 29 conjunts are in the unsatisfiable core [2024-04-04 12:21:28,317 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:28,531 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 13 treesize of output 9 [2024-04-04 12:21:28,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:28,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:21:28,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:28,854 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:21:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 45 proven. 15 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:28,916 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:28,966 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1270 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1270) |c_~#cache~0.base|) (+ (* |c_t_funThread4of4ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:29,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:29,088 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:21:29,094 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:29,094 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:21:29,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:21:29,259 INFO L134 CoverageAnalysis]: Checked inductivity of 315 backedges. 35 proven. 10 refuted. 0 times theorem prover too weak. 255 trivial. 15 not checked. [2024-04-04 12:21:29,260 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451723010] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:29,260 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:29,260 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 12] total 33 [2024-04-04 12:21:29,260 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851900444] [2024-04-04 12:21:29,260 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:29,260 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-04-04 12:21:29,261 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:29,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-04-04 12:21:29,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=857, Unknown=3, NotChecked=60, Total=1056 [2024-04-04 12:21:29,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:29,291 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:29,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 9.030303030303031) internal successors, (298), 33 states have internal predecessors, (298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:29,291 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:21:29,292 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:29,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:21:29,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:29,637 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:29,830 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-04-04 12:21:29,830 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 5 more)] === [2024-04-04 12:21:29,830 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:29,830 INFO L85 PathProgramCache]: Analyzing trace with hash -2005270274, now seen corresponding path program 1 times [2024-04-04 12:21:29,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:29,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786957856] [2024-04-04 12:21:29,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:29,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:29,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:29,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:29,877 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:29,878 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 8 remaining) [2024-04-04 12:21:29,878 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 8 remaining) [2024-04-04 12:21:29,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-04-04 12:21:29,880 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-04-04 12:21:29,880 WARN L233 ceAbstractionStarter]: 4 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:29,880 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 5 thread instances. [2024-04-04 12:21:29,908 INFO L144 ThreadInstanceAdder]: Constructed 5 joinOtherThreadTransitions. [2024-04-04 12:21:29,910 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:29,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:29,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:29,911 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:29,914 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Waiting until timeout for monitored process [2024-04-04 12:21:29,916 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:29,916 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:29,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:29,917 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:29,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2024-04-04 12:21:29,973 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:29,973 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:29,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1601781207, now seen corresponding path program 1 times [2024-04-04 12:21:29,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:29,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18067426] [2024-04-04 12:21:29,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:29,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:29,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2024-04-04 12:21:30,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18067426] [2024-04-04 12:21:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18067426] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:30,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:30,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:30,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753019505] [2024-04-04 12:21:30,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:30,011 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:30,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:30,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:30,123 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:30,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:30,123 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:30,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:30,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:30,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:30,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2024-04-04 12:21:30,224 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:30,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:30,225 INFO L85 PathProgramCache]: Analyzing trace with hash 906566645, now seen corresponding path program 1 times [2024-04-04 12:21:30,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:30,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487807299] [2024-04-04 12:21:30,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:30,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:30,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:30,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:30,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487807299] [2024-04-04 12:21:30,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1487807299] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:30,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2058588080] [2024-04-04 12:21:30,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:30,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:30,344 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:30,347 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:30,392 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-04-04 12:21:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:30,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 446 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:30,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:30,595 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:30,595 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:30,617 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:30,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2058588080] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:30,618 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:30,618 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:30,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755191949] [2024-04-04 12:21:30,618 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:30,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:30,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:30,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:30,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:30,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:30,659 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:30,659 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.9) internal successors, (159), 10 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:30,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:30,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:30,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:30,769 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:30,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-04-04 12:21:30,957 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:30,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:30,957 INFO L85 PathProgramCache]: Analyzing trace with hash -1260418475, now seen corresponding path program 2 times [2024-04-04 12:21:30,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:30,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967948249] [2024-04-04 12:21:30,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:30,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:30,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:31,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:31,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967948249] [2024-04-04 12:21:31,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967948249] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:31,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [792349656] [2024-04-04 12:21:31,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:31,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:31,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:31,064 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:31,098 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-04-04 12:21:31,338 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:31,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:31,340 INFO L262 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:31,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:31,364 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:31,364 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:31,423 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:31,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [792349656] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:31,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:31,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:31,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269170957] [2024-04-04 12:21:31,424 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:31,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:31,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:31,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:31,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:31,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:31,462 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:31,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 9.944444444444445) internal successors, (179), 18 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:31,463 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:31,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:31,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:31,660 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:31,838 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:31,838 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:31,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:31,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1702297365, now seen corresponding path program 3 times [2024-04-04 12:21:31,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:31,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938595895] [2024-04-04 12:21:31,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:31,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:31,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:32,046 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938595895] [2024-04-04 12:21:32,046 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938595895] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:32,046 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [99174943] [2024-04-04 12:21:32,046 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:32,046 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:32,046 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:32,058 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:32,082 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-04-04 12:21:32,307 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2024-04-04 12:21:32,307 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:32,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 12:21:32,312 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:32,831 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 11 treesize of output 7 [2024-04-04 12:21:32,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:32,925 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 12:21:32,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:33,000 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 12:21:33,104 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 95 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-04 12:21:33,104 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:33,211 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1674 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_1674) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:33,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:33,226 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:21:33,231 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:33,232 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:21:33,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:21:33,446 INFO L134 CoverageAnalysis]: Checked inductivity of 237 backedges. 80 proven. 5 refuted. 0 times theorem prover too weak. 137 trivial. 15 not checked. [2024-04-04 12:21:33,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [99174943] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:33,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:33,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 12:21:33,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092052393] [2024-04-04 12:21:33,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:33,447 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 12:21:33,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:33,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 12:21:33,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1101, Unknown=4, NotChecked=68, Total=1332 [2024-04-04 12:21:33,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:33,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:33,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 10.621621621621621) internal successors, (393), 37 states have internal predecessors, (393), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:33,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:33,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:33,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:33,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:34,334 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:34,521 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:34,522 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:34,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:34,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1030522031, now seen corresponding path program 1 times [2024-04-04 12:21:34,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:34,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986716981] [2024-04-04 12:21:34,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:34,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:34,741 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:34,742 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:34,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986716981] [2024-04-04 12:21:34,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986716981] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:34,742 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229585703] [2024-04-04 12:21:34,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:34,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:34,742 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:34,743 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:34,745 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-04-04 12:21:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:35,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:35,022 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:35,066 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:35,066 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 12:21:35,197 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229585703] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:35,197 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:35,197 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:35,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862972191] [2024-04-04 12:21:35,197 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:35,198 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:35,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:35,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:35,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:35,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:35,247 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:35,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 8.26086956521739) internal successors, (190), 23 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:35,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:35,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:35,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:35,247 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:35,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:35,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:35,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:35,515 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:35,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:35,715 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:35,715 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:35,715 INFO L85 PathProgramCache]: Analyzing trace with hash 828394063, now seen corresponding path program 2 times [2024-04-04 12:21:35,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:35,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [113217794] [2024-04-04 12:21:35,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:35,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:36,274 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:21:36,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:36,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [113217794] [2024-04-04 12:21:36,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [113217794] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:36,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:36,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 12:21:36,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737081252] [2024-04-04 12:21:36,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:36,275 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 12:21:36,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:36,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 12:21:36,331 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-04 12:21:36,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:36,331 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:36,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.636363636363637) internal successors, (161), 11 states have internal predecessors, (161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:36,331 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:36,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:36,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:36,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-04-04 12:21:36,579 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:36,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1122362463, now seen corresponding path program 1 times [2024-04-04 12:21:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:36,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [22437773] [2024-04-04 12:21:36,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:36,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:37,503 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 50 proven. 65 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:37,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:37,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [22437773] [2024-04-04 12:21:37,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [22437773] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:37,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737341997] [2024-04-04 12:21:37,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:37,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:37,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:37,512 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:37,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-04-04 12:21:37,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:37,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 498 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:21:37,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:38,290 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 13 treesize of output 9 [2024-04-04 12:21:38,314 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 65 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:38,315 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:38,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:38,634 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 40 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:38,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737341997] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:38,634 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:38,634 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 9] total 31 [2024-04-04 12:21:38,634 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315902424] [2024-04-04 12:21:38,635 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:38,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-04 12:21:38,635 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-04 12:21:38,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=834, Unknown=0, NotChecked=0, Total=930 [2024-04-04 12:21:38,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:38,786 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:38,786 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 14.0) internal successors, (434), 31 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:38,786 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:39,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:39,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:21:39,673 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:39,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,30 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:39,872 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:39,873 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:39,873 INFO L85 PathProgramCache]: Analyzing trace with hash 77453119, now seen corresponding path program 1 times [2024-04-04 12:21:39,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:39,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748455264] [2024-04-04 12:21:39,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:39,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:39,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:40,739 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 105 proven. 10 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:21:40,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:40,739 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748455264] [2024-04-04 12:21:40,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748455264] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:40,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1781153948] [2024-04-04 12:21:40,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:40,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:40,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:40,755 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:40,773 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-04-04 12:21:41,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:41,011 INFO L262 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:21:41,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:41,134 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 13 treesize of output 9 [2024-04-04 12:21:41,278 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:41,278 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:41,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:41,443 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:41,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1781153948] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:41,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:41,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 10, 9] total 31 [2024-04-04 12:21:41,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478272718] [2024-04-04 12:21:41,444 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:41,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2024-04-04 12:21:41,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:41,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2024-04-04 12:21:41,517 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=833, Unknown=0, NotChecked=0, Total=930 [2024-04-04 12:21:41,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:41,517 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:41,517 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 11.612903225806452) internal successors, (360), 31 states have internal predecessors, (360), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:41,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-04 12:21:41,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:42,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:21:42,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 12:21:42,295 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:42,492 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2024-04-04 12:21:42,493 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:42,493 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:42,493 INFO L85 PathProgramCache]: Analyzing trace with hash 32601087, now seen corresponding path program 1 times [2024-04-04 12:21:42,493 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:42,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324909959] [2024-04-04 12:21:42,493 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:42,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:42,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 100 proven. 5 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:21:43,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324909959] [2024-04-04 12:21:43,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324909959] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:43,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965713770] [2024-04-04 12:21:43,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:43,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:43,253 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:43,254 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:43,260 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-04-04 12:21:43,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:43,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 479 conjuncts, 35 conjunts are in the unsatisfiable core [2024-04-04 12:21:43,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:43,756 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 13 treesize of output 9 [2024-04-04 12:21:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:43,986 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:21:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:44,024 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:21:44,096 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 85 proven. 15 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:44,096 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:44,152 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2204 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2204) |c_~#cache~0.base|) (+ (* |c_t_funThread4of5ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:44,205 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_2204 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_2204) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:21:44,276 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:44,276 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:21:44,281 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:44,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:21:44,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:21:44,451 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 40 not checked. [2024-04-04 12:21:44,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965713770] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:44,451 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:44,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 36 [2024-04-04 12:21:44,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1830591184] [2024-04-04 12:21:44,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:44,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:21:44,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:44,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:21:44,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=993, Unknown=2, NotChecked=130, Total=1260 [2024-04-04 12:21:44,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:44,509 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:44,509 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.5) internal successors, (378), 36 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 12:21:44,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:45,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:21:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:21:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:21:45,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:21:45,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:45,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2024-04-04 12:21:45,784 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:45,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:45,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1360042307, now seen corresponding path program 1 times [2024-04-04 12:21:45,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:45,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295404461] [2024-04-04 12:21:45,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:45,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:46,148 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 90 proven. 10 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:21:46,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:46,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295404461] [2024-04-04 12:21:46,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [295404461] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:46,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1476629632] [2024-04-04 12:21:46,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:46,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:46,149 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:46,152 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:46,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-04-04 12:21:46,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:46,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:21:46,424 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:46,815 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 13 treesize of output 9 [2024-04-04 12:21:46,826 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 45 proven. 65 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:21:46,826 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:46,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:47,005 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 75 proven. 35 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:21:47,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1476629632] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:47,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:47,005 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 12:21:47,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532798505] [2024-04-04 12:21:47,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:47,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:21:47,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:47,070 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:21:47,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:21:47,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:47,071 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:47,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 14.851851851851851) internal successors, (401), 27 states have internal predecessors, (401), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:21:47,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:21:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:21:47,072 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2024-04-04 12:21:47,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-04-04 12:21:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-04-04 12:21:47,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:21:47,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:47,681 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-04-04 12:21:47,681 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 6 more)] === [2024-04-04 12:21:47,682 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:47,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1244947077, now seen corresponding path program 1 times [2024-04-04 12:21:47,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:47,682 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [70927901] [2024-04-04 12:21:47,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:47,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:47,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:47,708 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:21:47,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:21:47,739 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:21:47,739 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:21:47,739 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 9 remaining) [2024-04-04 12:21:47,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (7 of 9 remaining) [2024-04-04 12:21:47,739 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 9 remaining) [2024-04-04 12:21:47,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 9 remaining) [2024-04-04 12:21:47,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 9 remaining) [2024-04-04 12:21:47,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 9 remaining) [2024-04-04 12:21:47,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 9 remaining) [2024-04-04 12:21:47,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 9 remaining) [2024-04-04 12:21:47,740 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 9 remaining) [2024-04-04 12:21:47,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2024-04-04 12:21:47,742 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1] [2024-04-04 12:21:47,742 WARN L233 ceAbstractionStarter]: 5 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:21:47,742 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 6 thread instances. [2024-04-04 12:21:47,774 INFO L144 ThreadInstanceAdder]: Constructed 6 joinOtherThreadTransitions. [2024-04-04 12:21:47,777 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:21:47,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:21:47,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:47,778 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:21:47,781 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:21:47,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:47,782 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:21:47,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Waiting until timeout for monitored process [2024-04-04 12:21:47,782 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:21:47,782 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2024-04-04 12:21:47,866 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:47,866 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:47,866 INFO L85 PathProgramCache]: Analyzing trace with hash 879549218, now seen corresponding path program 1 times [2024-04-04 12:21:47,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:47,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787575392] [2024-04-04 12:21:47,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:47,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:47,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:47,909 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-04-04 12:21:47,909 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:47,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787575392] [2024-04-04 12:21:47,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787575392] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:47,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:47,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:21:47,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333725137] [2024-04-04 12:21:47,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:47,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:21:47,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:48,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:21:48,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:21:48,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,133 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:48,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 44.666666666666664) internal successors, (134), 3 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:48,133 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:48,273 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2024-04-04 12:21:48,274 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:48,274 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:48,274 INFO L85 PathProgramCache]: Analyzing trace with hash -309198185, now seen corresponding path program 1 times [2024-04-04 12:21:48,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:48,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722016532] [2024-04-04 12:21:48,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:48,274 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:48,334 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:48,335 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:48,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722016532] [2024-04-04 12:21:48,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722016532] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:48,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111279773] [2024-04-04 12:21:48,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:48,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:48,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:48,336 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:48,337 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-04-04 12:21:48,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:48,627 INFO L262 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:21:48,629 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:48,642 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:48,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111279773] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:48,662 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:48,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:21:48,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586665895] [2024-04-04 12:21:48,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:48,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:21:48,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:48,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:21:48,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:21:48,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,713 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:48,713 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 20.3) internal successors, (203), 10 states have internal predecessors, (203), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:48,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:48,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:48,817 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:49,015 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-04-04 12:21:49,015 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:49,015 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:49,016 INFO L85 PathProgramCache]: Analyzing trace with hash 845749271, now seen corresponding path program 2 times [2024-04-04 12:21:49,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:49,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992546662] [2024-04-04 12:21:49,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:49,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:49,121 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:49,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:49,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992546662] [2024-04-04 12:21:49,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992546662] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:49,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566563514] [2024-04-04 12:21:49,122 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:49,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:49,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:49,123 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:49,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-04-04 12:21:49,417 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:49,417 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:49,419 INFO L262 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:21:49,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:49,444 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:49,445 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:49,508 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:49,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566563514] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:49,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:49,509 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:21:49,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737468301] [2024-04-04 12:21:49,509 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:49,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:21:49,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:49,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:21:49,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:21:49,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:49,575 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:49,575 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 12.38888888888889) internal successors, (223), 18 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) [2024-04-04 12:21:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:49,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:49,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:49,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:49,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:49,754 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:49,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,36 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:49,952 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:49,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:49,952 INFO L85 PathProgramCache]: Analyzing trace with hash 236564247, now seen corresponding path program 3 times [2024-04-04 12:21:49,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:49,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145511586] [2024-04-04 12:21:49,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:49,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:50,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:50,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145511586] [2024-04-04 12:21:50,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145511586] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:50,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496911646] [2024-04-04 12:21:50,213 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:21:50,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:50,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:50,214 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:50,238 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-04-04 12:21:51,005 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-04-04 12:21:51,005 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:51,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 518 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 12:21:51,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:51,501 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 11 treesize of output 7 [2024-04-04 12:21:51,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:51,630 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 12:21:51,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:21:51,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 12:21:51,782 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-04 12:21:51,782 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:51,929 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:51,930 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:21:51,935 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:21:51,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:21:51,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:21:52,148 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 141 proven. 5 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2024-04-04 12:21:52,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496911646] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:52,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:52,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 12, 12] total 37 [2024-04-04 12:21:52,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687073241] [2024-04-04 12:21:52,149 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:52,149 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-04-04 12:21:52,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:52,258 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-04-04 12:21:52,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=1162, Unknown=8, NotChecked=0, Total=1332 [2024-04-04 12:21:52,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:52,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:52,259 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 11.81081081081081) internal successors, (437), 37 states have internal predecessors, (437), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:52,259 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:53,274 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:53,463 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-04-04 12:21:53,464 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:53,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:53,464 INFO L85 PathProgramCache]: Analyzing trace with hash 705816712, now seen corresponding path program 1 times [2024-04-04 12:21:53,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:53,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297303632] [2024-04-04 12:21:53,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:53,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:53,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:53,691 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:53,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:53,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297303632] [2024-04-04 12:21:53,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [297303632] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:53,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [77032013] [2024-04-04 12:21:53,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:53,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:53,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:53,695 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:53,697 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-04-04 12:21:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:54,009 INFO L262 TraceCheckSpWp]: Trace formula consists of 658 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:21:54,011 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:54,051 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:54,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:54,182 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2024-04-04 12:21:54,182 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [77032013] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:54,182 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:54,182 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:21:54,182 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74907312] [2024-04-04 12:21:54,182 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:54,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:21:54,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:54,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:21:54,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:21:54,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:54,284 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:54,284 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 10.304347826086957) internal successors, (237), 23 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:54,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:54,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:54,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:54,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:54,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:54,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:54,584 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:54,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,38 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:54,782 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:54,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:54,782 INFO L85 PathProgramCache]: Analyzing trace with hash 272802312, now seen corresponding path program 2 times [2024-04-04 12:21:54,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:54,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494080905] [2024-04-04 12:21:54,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:54,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:55,465 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:21:55,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:55,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494080905] [2024-04-04 12:21:55,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494080905] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:21:55,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [48441793] [2024-04-04 12:21:55,466 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:21:55,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:21:55,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:21:55,467 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:21:55,491 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-04-04 12:21:55,791 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:21:55,791 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:21:55,794 INFO L262 TraceCheckSpWp]: Trace formula consists of 678 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:21:55,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:21:55,899 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 13 treesize of output 9 [2024-04-04 12:21:56,000 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:21:56,000 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:21:56,097 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:21:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 101 proven. 5 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:21:56,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [48441793] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:21:56,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:21:56,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:21:56,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154334449] [2024-04-04 12:21:56,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:21:56,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:21:56,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:56,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:21:56,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=557, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:21:56,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:56,402 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:56,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 12.807692307692308) internal successors, (333), 26 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:56,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:56,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:56,402 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:56,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:56,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:56,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:56,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:21:56,937 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-04-04 12:21:57,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable43 [2024-04-04 12:21:57,135 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:57,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:57,136 INFO L85 PathProgramCache]: Analyzing trace with hash 370425860, now seen corresponding path program 1 times [2024-04-04 12:21:57,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:57,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407256440] [2024-04-04 12:21:57,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:57,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:21:57,676 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 12:21:57,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:21:57,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407256440] [2024-04-04 12:21:57,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407256440] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:21:57,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:21:57,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 12:21:57,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207953359] [2024-04-04 12:21:57,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:21:57,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 12:21:57,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:21:57,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 12:21:57,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-04 12:21:57,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:57,808 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:21:57,808 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 17.181818181818183) internal successors, (189), 11 states have internal predecessors, (189), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:21:57,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:21:57,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:21:58,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:21:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:21:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:21:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:21:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:21:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:21:58,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:21:58,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2024-04-04 12:21:58,142 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:21:58,142 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:21:58,143 INFO L85 PathProgramCache]: Analyzing trace with hash -698615587, now seen corresponding path program 1 times [2024-04-04 12:21:58,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:21:58,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840731867] [2024-04-04 12:21:58,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:21:58,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:21:58,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:00,030 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 90 proven. 96 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-04-04 12:22:00,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:00,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840731867] [2024-04-04 12:22:00,031 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840731867] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:00,031 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956638392] [2024-04-04 12:22:00,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:00,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:00,031 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:00,032 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:00,035 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-04-04 12:22:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:00,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:22:00,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:01,007 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 11 treesize of output 7 [2024-04-04 12:22:01,120 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 146 proven. 10 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:01,121 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:01,233 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-04-04 12:22:01,459 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:01,459 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956638392] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:01,459 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:01,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 10, 9] total 45 [2024-04-04 12:22:01,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748129564] [2024-04-04 12:22:01,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:01,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2024-04-04 12:22:01,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:01,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2024-04-04 12:22:01,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=1833, Unknown=0, NotChecked=0, Total=1980 [2024-04-04 12:22:01,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:01,681 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:01,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 45 states, 45 states have (on average 11.244444444444444) internal successors, (506), 45 states have internal predecessors, (506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:22:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:01,682 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:01,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:01,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:22:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:04,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2024-04-04 12:22:04,100 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-04-04 12:22:04,299 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45,40 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:04,299 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:04,299 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash -672720256, now seen corresponding path program 1 times [2024-04-04 12:22:04,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:04,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302939091] [2024-04-04 12:22:04,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:04,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:05,126 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 126 proven. 50 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-04-04 12:22:05,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:05,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302939091] [2024-04-04 12:22:05,126 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302939091] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:05,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093327427] [2024-04-04 12:22:05,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:05,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:05,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:05,128 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:05,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-04-04 12:22:05,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:05,455 INFO L262 TraceCheckSpWp]: Trace formula consists of 543 conjuncts, 31 conjunts are in the unsatisfiable core [2024-04-04 12:22:05,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:05,683 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 13 treesize of output 9 [2024-04-04 12:22:05,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:05,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:22:05,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:05,938 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:22:05,998 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 15 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:22:05,998 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:06,111 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_3526 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_3526) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:22:06,189 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:06,189 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:22:06,197 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:06,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:22:06,200 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:22:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 106 proven. 5 refuted. 0 times theorem prover too weak. 275 trivial. 35 not checked. [2024-04-04 12:22:06,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093327427] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:06,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:06,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 12, 12] total 36 [2024-04-04 12:22:06,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116812157] [2024-04-04 12:22:06,377 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:06,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:22:06,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:06,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:22:06,486 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=1048, Unknown=8, NotChecked=66, Total=1260 [2024-04-04 12:22:06,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:06,486 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:06,486 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 11.055555555555555) internal successors, (398), 36 states have internal predecessors, (398), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2024-04-04 12:22:06,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 12:22:07,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:07,836 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:08,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-04-04 12:22:08,036 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:08,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:08,037 INFO L85 PathProgramCache]: Analyzing trace with hash 1375090395, now seen corresponding path program 1 times [2024-04-04 12:22:08,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:08,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728927568] [2024-04-04 12:22:08,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:08,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:08,381 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:08,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:08,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728927568] [2024-04-04 12:22:08,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728927568] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:08,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265851677] [2024-04-04 12:22:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:08,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:08,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:08,383 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:08,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-04-04 12:22:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:08,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:22:08,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:09,126 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 13 treesize of output 9 [2024-04-04 12:22:09,137 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 116 proven. 45 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:09,137 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:09,147 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:22:09,289 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 20 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:09,290 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265851677] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:09,290 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:09,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 12:22:09,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849417567] [2024-04-04 12:22:09,290 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:09,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:09,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:09,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:09,403 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:09,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:09,403 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:09,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.074074074074073) internal successors, (434), 27 states have internal predecessors, (434), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:09,403 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:09,404 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:09,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-04-04 12:22:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:09,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:09,753 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-04-04 12:22:09,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-04-04 12:22:09,953 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:09,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:09,954 INFO L85 PathProgramCache]: Analyzing trace with hash 1396044319, now seen corresponding path program 1 times [2024-04-04 12:22:09,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:09,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422003697] [2024-04-04 12:22:09,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:09,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:10,273 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 35 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:10,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:10,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422003697] [2024-04-04 12:22:10,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1422003697] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:10,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1229600639] [2024-04-04 12:22:10,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:10,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:10,274 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:10,275 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:10,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-04-04 12:22:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:10,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 12:22:10,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:11,143 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 11 treesize of output 7 [2024-04-04 12:22:11,155 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 91 proven. 75 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:11,155 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:11,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:22:11,357 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 35 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:22:11,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1229600639] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:11,357 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:11,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:22:11,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406456082] [2024-04-04 12:22:11,358 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:11,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:11,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:11,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:11,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=608, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:11,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:11,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:11,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.444444444444445) internal successors, (417), 27 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:11,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:12,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:12,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:12,060 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-04-04 12:22:12,260 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48,43 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:12,260 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:12,261 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:12,261 INFO L85 PathProgramCache]: Analyzing trace with hash -762435814, now seen corresponding path program 1 times [2024-04-04 12:22:12,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:12,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514855164] [2024-04-04 12:22:12,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:12,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:13,007 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 95 proven. 61 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:13,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:13,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514855164] [2024-04-04 12:22:13,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514855164] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:13,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346894806] [2024-04-04 12:22:13,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:13,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:13,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:13,009 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:13,011 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-04-04 12:22:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:13,348 INFO L262 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:22:13,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:13,801 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 13 treesize of output 9 [2024-04-04 12:22:13,823 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 50 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:22:13,824 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:13,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:22:14,147 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 40 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:22:14,148 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346894806] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:14,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:14,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 10, 9] total 35 [2024-04-04 12:22:14,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811887613] [2024-04-04 12:22:14,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:14,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-04-04 12:22:14,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:14,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-04-04 12:22:14,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=1092, Unknown=0, NotChecked=0, Total=1190 [2024-04-04 12:22:14,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:14,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:14,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 13.714285714285714) internal successors, (480), 35 states have internal predecessors, (480), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:14,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:15,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:15,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:15,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:22:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:15,555 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Ended with exit code 0 [2024-04-04 12:22:15,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-04-04 12:22:15,753 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:15,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:15,753 INFO L85 PathProgramCache]: Analyzing trace with hash 742268639, now seen corresponding path program 1 times [2024-04-04 12:22:15,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:15,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232975428] [2024-04-04 12:22:15,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:15,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:16,056 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 141 proven. 15 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:16,056 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232975428] [2024-04-04 12:22:16,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232975428] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:16,056 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606649843] [2024-04-04 12:22:16,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:16,056 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:16,057 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:16,058 INFO L229 MonitoredProcess]: Starting monitored process 45 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:16,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Waiting until timeout for monitored process [2024-04-04 12:22:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:16,398 INFO L262 TraceCheckSpWp]: Trace formula consists of 542 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 12:22:16,400 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:17,047 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 11 treesize of output 7 [2024-04-04 12:22:17,098 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 121 proven. 35 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:17,098 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:17,134 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-04-04 12:22:17,344 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 131 proven. 25 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:22:17,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606649843] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:17,345 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:17,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:22:17,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7708031] [2024-04-04 12:22:17,346 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:17,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:17,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:17,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:17,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:17,448 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:17,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.296296296296296) internal successors, (413), 27 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:17,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-04-04 12:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:17,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:17,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:22:17,947 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (45)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:18,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50,45 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:18,145 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 7 more)] === [2024-04-04 12:22:18,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:18,145 INFO L85 PathProgramCache]: Analyzing trace with hash 855758243, now seen corresponding path program 1 times [2024-04-04 12:22:18,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:18,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047221931] [2024-04-04 12:22:18,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:18,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:18,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:22:18,166 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:22:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:22:18,205 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:22:18,205 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:22:18,205 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining) [2024-04-04 12:22:18,205 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (8 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 10 remaining) [2024-04-04 12:22:18,206 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 10 remaining) [2024-04-04 12:22:18,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2024-04-04 12:22:18,207 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 12:22:18,207 WARN L233 ceAbstractionStarter]: 6 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:22:18,207 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 7 thread instances. [2024-04-04 12:22:18,242 INFO L144 ThreadInstanceAdder]: Constructed 7 joinOtherThreadTransitions. [2024-04-04 12:22:18,245 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:22:18,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:22:18,246 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:18,246 INFO L229 MonitoredProcess]: Starting monitored process 46 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:22:18,257 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:22:18,258 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:18,258 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:22:18,258 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:22:18,258 INFO L358 AbstractCegarLoop]: Starting to check reachability of 11 error locations. [2024-04-04 12:22:18,259 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (46)] Waiting until timeout for monitored process [2024-04-04 12:22:18,392 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:18,392 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:18,392 INFO L85 PathProgramCache]: Analyzing trace with hash 141764636, now seen corresponding path program 1 times [2024-04-04 12:22:18,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:18,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135963381] [2024-04-04 12:22:18,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:18,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:18,444 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2024-04-04 12:22:18,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:18,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135963381] [2024-04-04 12:22:18,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135963381] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:22:18,444 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:22:18,444 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:22:18,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685370279] [2024-04-04 12:22:18,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:22:18,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:22:18,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:18,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:22:18,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:22:18,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:18,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:18,758 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 50.666666666666664) internal successors, (152), 3 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:18,758 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:18,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:18,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2024-04-04 12:22:18,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:18,956 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:18,956 INFO L85 PathProgramCache]: Analyzing trace with hash 1987018939, now seen corresponding path program 1 times [2024-04-04 12:22:18,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:18,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967624928] [2024-04-04 12:22:18,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:18,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:18,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:19,025 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:19,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:19,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967624928] [2024-04-04 12:22:19,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967624928] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:19,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1658346480] [2024-04-04 12:22:19,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:19,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:19,026 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:19,028 INFO L229 MonitoredProcess]: Starting monitored process 47 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:19,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Waiting until timeout for monitored process [2024-04-04 12:22:19,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:19,430 INFO L262 TraceCheckSpWp]: Trace formula consists of 737 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:22:19,432 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:19,446 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:19,466 INFO L134 CoverageAnalysis]: Checked inductivity of 262 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:19,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1658346480] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:19,466 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:19,466 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:22:19,466 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166840732] [2024-04-04 12:22:19,466 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:19,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:22:19,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:19,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:22:19,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:22:19,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:19,539 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:19,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 24.7) internal successors, (247), 10 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:19,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:19,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:19,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:19,658 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (47)] Ended with exit code 0 [2024-04-04 12:22:19,858 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,47 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:19,858 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:19,858 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:19,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1310761317, now seen corresponding path program 2 times [2024-04-04 12:22:19,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:19,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072219802] [2024-04-04 12:22:19,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:19,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:19,978 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:19,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:19,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072219802] [2024-04-04 12:22:19,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072219802] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:19,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834800944] [2024-04-04 12:22:19,978 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:22:19,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:19,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:19,979 INFO L229 MonitoredProcess]: Starting monitored process 48 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:19,982 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Waiting until timeout for monitored process [2024-04-04 12:22:20,413 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:22:20,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:22:20,417 INFO L262 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:22:20,433 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:20,456 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:20,456 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:20,511 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:20,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834800944] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:20,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:20,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:22:20,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850342262] [2024-04-04 12:22:20,511 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:20,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:22:20,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:20,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:22:20,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:22:20,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:20,655 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:20,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 14.833333333333334) internal successors, (267), 18 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:20,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:20,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:20,853 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (48)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:21,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,48 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:21,051 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:21,051 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:21,051 INFO L85 PathProgramCache]: Analyzing trace with hash -1531866533, now seen corresponding path program 3 times [2024-04-04 12:22:21,051 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:21,051 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761910086] [2024-04-04 12:22:21,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:21,303 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:21,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:21,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761910086] [2024-04-04 12:22:21,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761910086] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:21,304 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1062974299] [2024-04-04 12:22:21,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:22:21,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:21,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:21,305 INFO L229 MonitoredProcess]: Starting monitored process 49 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:21,306 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2024-04-04 12:22:24,588 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-04-04 12:22:24,588 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:22:24,596 INFO L262 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 67 conjunts are in the unsatisfiable core [2024-04-04 12:22:24,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:24,949 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 13 treesize of output 9 [2024-04-04 12:22:25,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:25,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:22:25,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:25,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:22:25,263 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 12:22:25,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 11 [2024-04-04 12:22:26,110 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 11 treesize of output 7 [2024-04-04 12:22:26,436 INFO L349 Elim1Store]: treesize reduction 20, result has 37.5 percent of original size [2024-04-04 12:22:26,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 27 [2024-04-04 12:22:26,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:26,507 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 12:22:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:26,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 12:22:26,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:26,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:26,663 INFO L349 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2024-04-04 12:22:26,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 36 [2024-04-04 12:22:26,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:26,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2024-04-04 12:22:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:26,975 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 38 [2024-04-04 12:22:27,231 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 191 proven. 35 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 12:22:27,231 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:27,289 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_4712 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_4712) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4 (* 28 |c_t_funThread7of7ForFork0_~i~0#1|))) 0))) is different from false [2024-04-04 12:22:27,761 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:22:27,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 104 treesize of output 58 [2024-04-04 12:22:27,773 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:27,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 115 treesize of output 131 [2024-04-04 12:22:27,782 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 90 [2024-04-04 12:22:27,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 78 [2024-04-04 12:22:27,816 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:22:27,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:22:27,877 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:27,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 85 [2024-04-04 12:22:29,178 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:29,178 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:22:29,186 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:22:29,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 38 [2024-04-04 12:22:29,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:22:29,334 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 157 proven. 69 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2024-04-04 12:22:29,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1062974299] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:29,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:29,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 23, 23] total 59 [2024-04-04 12:22:29,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700928087] [2024-04-04 12:22:29,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:29,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2024-04-04 12:22:29,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:29,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2024-04-04 12:22:29,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=400, Invalid=2900, Unknown=10, NotChecked=112, Total=3422 [2024-04-04 12:22:29,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:29,505 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:29,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 13.779661016949152) internal successors, (813), 59 states have internal predecessors, (813), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:29,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:31,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 12:22:31,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:31,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 49 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2024-04-04 12:22:31,968 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:31,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:31,968 INFO L85 PathProgramCache]: Analyzing trace with hash 788582943, now seen corresponding path program 1 times [2024-04-04 12:22:31,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:31,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791170810] [2024-04-04 12:22:31,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:31,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:31,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:32,251 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:32,252 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:32,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791170810] [2024-04-04 12:22:32,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791170810] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:32,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758560347] [2024-04-04 12:22:32,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:32,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:32,252 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:32,253 INFO L229 MonitoredProcess]: Starting monitored process 50 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:32,255 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-04-04 12:22:32,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:32,714 INFO L262 TraceCheckSpWp]: Trace formula consists of 798 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:22:32,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:32,787 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:32,788 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:32,935 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2024-04-04 12:22:32,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758560347] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:32,935 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:32,935 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:22:32,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770148959] [2024-04-04 12:22:32,936 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:32,936 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:22:32,936 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:33,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:22:33,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:22:33,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:33,115 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:33,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 12.173913043478262) internal successors, (280), 23 states have internal predecessors, (280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:33,115 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:33,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 12:22:33,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-04 12:22:33,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:33,375 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:33,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 50 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable56 [2024-04-04 12:22:33,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:33,575 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:33,575 INFO L85 PathProgramCache]: Analyzing trace with hash 1166815295, now seen corresponding path program 2 times [2024-04-04 12:22:33,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:33,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015846679] [2024-04-04 12:22:33,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:33,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 211 proven. 0 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 12:22:34,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:34,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015846679] [2024-04-04 12:22:34,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2015846679] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:22:34,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:22:34,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-04-04 12:22:34,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159134050] [2024-04-04 12:22:34,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:22:34,664 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-04-04 12:22:34,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:34,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-04-04 12:22:34,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-04-04 12:22:34,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:34,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:34,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 20.071428571428573) internal successors, (281), 14 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:34,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:34,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:34,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:34,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-04 12:22:34,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:34,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-04-04 12:22:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:35,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:35,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2024-04-04 12:22:35,649 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:35,649 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:35,649 INFO L85 PathProgramCache]: Analyzing trace with hash 2135733999, now seen corresponding path program 1 times [2024-04-04 12:22:35,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:35,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003115097] [2024-04-04 12:22:35,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:35,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:35,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:36,617 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 171 proven. 10 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2024-04-04 12:22:36,618 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:36,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003115097] [2024-04-04 12:22:36,618 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003115097] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:36,618 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [897478236] [2024-04-04 12:22:36,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:36,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:36,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:36,620 INFO L229 MonitoredProcess]: Starting monitored process 51 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:36,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-04-04 12:22:37,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:37,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:22:37,110 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:37,259 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 13 treesize of output 9 [2024-04-04 12:22:37,377 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 171 proven. 5 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 12:22:37,377 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:37,453 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:22:37,512 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 171 proven. 5 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2024-04-04 12:22:37,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [897478236] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:37,513 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:37,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 10, 9] total 29 [2024-04-04 12:22:37,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961701494] [2024-04-04 12:22:37,513 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:37,514 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2024-04-04 12:22:37,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:37,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2024-04-04 12:22:37,848 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2024-04-04 12:22:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:37,849 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:37,849 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 14.724137931034482) internal successors, (427), 29 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:38,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2024-04-04 12:22:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:38,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:38,931 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Ended with exit code 0 [2024-04-04 12:22:39,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 51 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable58 [2024-04-04 12:22:39,128 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:39,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:39,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1152550354, now seen corresponding path program 1 times [2024-04-04 12:22:39,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:39,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392517086] [2024-04-04 12:22:39,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:39,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:39,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 175 proven. 15 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:22:39,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:39,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392517086] [2024-04-04 12:22:39,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392517086] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:39,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628436355] [2024-04-04 12:22:39,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:39,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:39,754 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:39,755 INFO L229 MonitoredProcess]: Starting monitored process 52 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:39,757 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-04-04 12:22:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:40,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 668 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:22:40,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:40,494 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 13 treesize of output 9 [2024-04-04 12:22:40,540 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 200 proven. 10 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:22:40,540 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:40,575 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-04-04 12:22:40,749 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 15 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2024-04-04 12:22:40,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628436355] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:40,749 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:40,749 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10, 9] total 26 [2024-04-04 12:22:40,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430498156] [2024-04-04 12:22:40,750 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:40,750 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-04-04 12:22:40,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:40,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-04-04 12:22:40,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2024-04-04 12:22:40,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:40,993 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:40,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 18.346153846153847) internal successors, (477), 26 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:40,993 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2024-04-04 12:22:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:40,994 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:42,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:22:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:42,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:42,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:42,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 52 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable59 [2024-04-04 12:22:42,505 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:42,505 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:42,506 INFO L85 PathProgramCache]: Analyzing trace with hash 1828277365, now seen corresponding path program 1 times [2024-04-04 12:22:42,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:42,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12074732] [2024-04-04 12:22:42,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:42,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:43,339 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 144 proven. 96 refuted. 0 times theorem prover too weak. 250 trivial. 0 not checked. [2024-04-04 12:22:43,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:43,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [12074732] [2024-04-04 12:22:43,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [12074732] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:43,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866980570] [2024-04-04 12:22:43,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:43,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:43,340 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:43,341 INFO L229 MonitoredProcess]: Starting monitored process 53 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:43,344 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Waiting until timeout for monitored process [2024-04-04 12:22:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:43,801 INFO L262 TraceCheckSpWp]: Trace formula consists of 626 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:22:43,804 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:43,975 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 13 treesize of output 9 [2024-04-04 12:22:44,085 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 12:22:44,086 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:44,158 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:22:44,216 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 125 proven. 5 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2024-04-04 12:22:44,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866980570] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:44,218 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:44,218 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 10, 9] total 36 [2024-04-04 12:22:44,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565668093] [2024-04-04 12:22:44,219 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:44,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 12:22:44,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:44,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 12:22:44,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=1147, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 12:22:44,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:44,440 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:44,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 15.5) internal successors, (558), 36 states have internal predecessors, (558), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:44,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:45,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:45,573 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (53)] Forceful destruction successful, exit code 0 [2024-04-04 12:22:45,773 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60,53 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:45,773 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:45,774 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:45,774 INFO L85 PathProgramCache]: Analyzing trace with hash 1168848476, now seen corresponding path program 1 times [2024-04-04 12:22:45,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:45,774 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144578313] [2024-04-04 12:22:45,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:45,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:45,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:46,170 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:22:46,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144578313] [2024-04-04 12:22:46,170 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144578313] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:46,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [269853557] [2024-04-04 12:22:46,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:46,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:46,171 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:46,172 INFO L229 MonitoredProcess]: Starting monitored process 54 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:46,173 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2024-04-04 12:22:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:46,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 603 conjuncts, 28 conjunts are in the unsatisfiable core [2024-04-04 12:22:46,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:47,030 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 13 treesize of output 9 [2024-04-04 12:22:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 170 proven. 45 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:22:47,047 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:22:47,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:22:47,334 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:22:47,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [269853557] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:22:47,335 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:22:47,335 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 12:22:47,335 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543758055] [2024-04-04 12:22:47,335 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:22:47,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:22:47,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:22:47,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:22:47,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:22:47,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:47,467 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:22:47,467 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.62962962962963) internal successors, (449), 27 states have internal predecessors, (449), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:47,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:47,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:47,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-04-04 12:22:47,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:22:48,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2024-04-04 12:22:48,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:22:48,170 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2024-04-04 12:22:48,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61,54 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:48,364 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:22:48,365 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:22:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1758158926, now seen corresponding path program 1 times [2024-04-04 12:22:48,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:22:48,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026718477] [2024-04-04 12:22:48,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:48,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:22:48,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:49,100 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 164 proven. 66 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:49,101 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:22:49,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026718477] [2024-04-04 12:22:49,101 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026718477] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:22:49,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401006546] [2024-04-04 12:22:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:22:49,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:22:49,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:22:49,109 INFO L229 MonitoredProcess]: Starting monitored process 55 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:22:49,111 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2024-04-04 12:22:49,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:22:49,580 INFO L262 TraceCheckSpWp]: Trace formula consists of 602 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 12:22:49,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:22:50,247 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 11 treesize of output 7 [2024-04-04 12:22:50,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:22:50,450 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 12:22:50,645 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 191 proven. 39 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-04-04 12:22:50,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:02,942 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:02,943 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 12:23:02,948 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:02,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-04-04 12:23:02,951 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:23:02,959 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:02,959 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:23:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:03,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401006546] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:03,161 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:03,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 12:23:03,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [259935822] [2024-04-04 12:23:03,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:03,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 12:23:03,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:03,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 12:23:03,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1534, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 12:23:03,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:03,373 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:03,373 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 12.095238095238095) internal successors, (508), 42 states have internal predecessors, (508), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:03,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2024-04-04 12:23:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:03,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:04,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:04,419 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2024-04-04 12:23:04,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62,55 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:04,619 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:04,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:04,620 INFO L85 PathProgramCache]: Analyzing trace with hash -1512932875, now seen corresponding path program 1 times [2024-04-04 12:23:04,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:04,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244778616] [2024-04-04 12:23:04,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:04,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:05,262 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 105 proven. 130 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:23:05,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:05,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244778616] [2024-04-04 12:23:05,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244778616] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:05,262 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774522037] [2024-04-04 12:23:05,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:05,263 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:05,263 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:05,264 INFO L229 MonitoredProcess]: Starting monitored process 56 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:05,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2024-04-04 12:23:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:05,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 41 conjunts are in the unsatisfiable core [2024-04-04 12:23:05,748 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:06,452 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 11 treesize of output 7 [2024-04-04 12:23:06,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:06,632 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 12:23:06,988 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 137 proven. 98 refuted. 0 times theorem prover too weak. 255 trivial. 0 not checked. [2024-04-04 12:23:06,988 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:19,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:19,277 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 12:23:19,283 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:19,283 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-04-04 12:23:19,287 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:23:19,297 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:19,297 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:23:19,521 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 160 proven. 65 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:19,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774522037] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:19,522 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:19,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 16, 12] total 42 [2024-04-04 12:23:19,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822881682] [2024-04-04 12:23:19,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:19,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 12:23:19,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:19,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 12:23:19,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=184, Invalid=1532, Unknown=6, NotChecked=0, Total=1722 [2024-04-04 12:23:19,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:19,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:19,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 13.19047619047619) internal successors, (554), 42 states have internal predecessors, (554), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:19,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 12:23:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:19,655 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:20,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:20,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:20,764 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:20,956 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 56 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable63 [2024-04-04 12:23:20,956 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:20,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:20,957 INFO L85 PathProgramCache]: Analyzing trace with hash 595562646, now seen corresponding path program 1 times [2024-04-04 12:23:20,957 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:20,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526944282] [2024-04-04 12:23:20,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:20,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:20,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:21,381 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:21,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:21,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526944282] [2024-04-04 12:23:21,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526944282] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:21,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980447931] [2024-04-04 12:23:21,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:21,382 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:21,382 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:21,383 INFO L229 MonitoredProcess]: Starting monitored process 57 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:21,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Waiting until timeout for monitored process [2024-04-04 12:23:21,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:21,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-04 12:23:21,880 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:22,405 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 13 treesize of output 9 [2024-04-04 12:23:22,423 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 145 proven. 75 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:22,423 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:22,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:23:22,720 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 35 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:22,720 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980447931] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:22,720 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:22,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12, 9] total 27 [2024-04-04 12:23:22,720 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432868770] [2024-04-04 12:23:22,720 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:22,721 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:23:22,721 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:22,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:23:22,819 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:23:22,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:22,819 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:22,819 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 15.962962962962964) internal successors, (431), 27 states have internal predecessors, (431), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:22,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:23,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 12:23:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:23,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:23,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (57)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:23,867 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,57 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:23,867 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:23,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:23,868 INFO L85 PathProgramCache]: Analyzing trace with hash -1135005866, now seen corresponding path program 1 times [2024-04-04 12:23:23,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:23,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882534780] [2024-04-04 12:23:23,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:23,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:23,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 5 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2024-04-04 12:23:24,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:24,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882534780] [2024-04-04 12:23:24,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882534780] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:24,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677741531] [2024-04-04 12:23:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:24,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:24,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:24,354 INFO L229 MonitoredProcess]: Starting monitored process 58 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:24,376 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Waiting until timeout for monitored process [2024-04-04 12:23:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:24,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 617 conjuncts, 26 conjunts are in the unsatisfiable core [2024-04-04 12:23:24,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:25,247 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 13 treesize of output 9 [2024-04-04 12:23:25,265 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 175 proven. 50 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:25,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:25,288 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2024-04-04 12:23:25,560 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 185 proven. 40 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:25,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677741531] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:25,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:25,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 9] total 27 [2024-04-04 12:23:25,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72066159] [2024-04-04 12:23:25,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:25,561 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-04-04 12:23:25,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:25,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-04-04 12:23:25,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=627, Unknown=0, NotChecked=0, Total=702 [2024-04-04 12:23:25,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:25,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:25,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 16.962962962962962) internal successors, (458), 27 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 12:23:25,716 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:25,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:25,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:25,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:25,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:26,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2024-04-04 12:23:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:26,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:26,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (58)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:26,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65,58 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:26,888 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:26,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:26,888 INFO L85 PathProgramCache]: Analyzing trace with hash 924656902, now seen corresponding path program 1 times [2024-04-04 12:23:26,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:26,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988017761] [2024-04-04 12:23:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:26,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:26,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:27,467 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 154 proven. 66 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:27,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:27,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988017761] [2024-04-04 12:23:27,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988017761] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:27,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888122302] [2024-04-04 12:23:27,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:27,469 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:27,469 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:27,470 INFO L229 MonitoredProcess]: Starting monitored process 59 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:27,492 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2024-04-04 12:23:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:27,952 INFO L262 TraceCheckSpWp]: Trace formula consists of 587 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 12:23:27,955 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:28,650 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 11 treesize of output 7 [2024-04-04 12:23:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:28,818 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 12:23:28,992 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 154 proven. 66 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:28,992 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:41,304 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:41,304 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 12:23:41,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:41,310 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-04-04 12:23:41,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:23:41,323 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:41,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:23:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 165 proven. 50 refuted. 0 times theorem prover too weak. 275 trivial. 0 not checked. [2024-04-04 12:23:41,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888122302] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:41,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:41,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 12] total 41 [2024-04-04 12:23:41,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694455825] [2024-04-04 12:23:41,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:41,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-04 12:23:41,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:41,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-04 12:23:41,688 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=1433, Unknown=6, NotChecked=0, Total=1640 [2024-04-04 12:23:41,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:41,688 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:41,688 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 11.75609756097561) internal successors, (482), 41 states have internal predecessors, (482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:41,689 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 12:23:42,599 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:42,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:23:42,607 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Ended with exit code 0 [2024-04-04 12:23:42,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 59 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable66 [2024-04-04 12:23:42,808 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:42,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:42,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1299871125, now seen corresponding path program 1 times [2024-04-04 12:23:42,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:42,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306755788] [2024-04-04 12:23:42,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:42,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:42,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:43,423 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 100 proven. 125 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:43,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:43,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306755788] [2024-04-04 12:23:43,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306755788] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:23:43,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [354685998] [2024-04-04 12:23:43,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:43,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:23:43,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:43,425 INFO L229 MonitoredProcess]: Starting monitored process 60 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:23:43,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2024-04-04 12:23:43,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:43,939 INFO L262 TraceCheckSpWp]: Trace formula consists of 582 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 12:23:43,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:23:44,738 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 11 treesize of output 7 [2024-04-04 12:23:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:23:44,900 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 12:23:45,265 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 100 proven. 125 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-04-04 12:23:45,266 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:23:57,532 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:57,532 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 26 [2024-04-04 12:23:57,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:57,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 30 [2024-04-04 12:23:57,541 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:23:57,550 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:23:57,550 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 24 [2024-04-04 12:23:57,801 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 126 proven. 94 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2024-04-04 12:23:57,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [354685998] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:23:57,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:23:57,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17, 12] total 41 [2024-04-04 12:23:57,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194015253] [2024-04-04 12:23:57,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:23:57,802 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 41 states [2024-04-04 12:23:57,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:57,895 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2024-04-04 12:23:57,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1432, Unknown=6, NotChecked=0, Total=1640 [2024-04-04 12:23:57,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:57,896 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:57,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 41 states, 41 states have (on average 12.829268292682928) internal successors, (526), 41 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:57,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:57,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:57,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:57,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:57,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:23:57,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-04 12:23:58,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:23:58,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 12:23:58,862 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Forceful destruction successful, exit code 0 [2024-04-04 12:23:59,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 60 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable67 [2024-04-04 12:23:59,053 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] === [2024-04-04 12:23:59,053 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:59,053 INFO L85 PathProgramCache]: Analyzing trace with hash 260589196, now seen corresponding path program 1 times [2024-04-04 12:23:59,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:59,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2087637660] [2024-04-04 12:23:59,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:59,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:23:59,097 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-04-04 12:23:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-04-04 12:23:59,148 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-04-04 12:23:59,148 INFO L360 BasicCegarLoop]: Counterexample is feasible [2024-04-04 12:23:59,148 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 11 remaining) [2024-04-04 12:23:59,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (9 of 11 remaining) [2024-04-04 12:23:59,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 11 remaining) [2024-04-04 12:23:59,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 11 remaining) [2024-04-04 12:23:59,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 11 remaining) [2024-04-04 12:23:59,148 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 11 remaining) [2024-04-04 12:23:59,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 11 remaining) [2024-04-04 12:23:59,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 11 remaining) [2024-04-04 12:23:59,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 11 remaining) [2024-04-04 12:23:59,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 11 remaining) [2024-04-04 12:23:59,149 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 11 remaining) [2024-04-04 12:23:59,149 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2024-04-04 12:23:59,150 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-04-04 12:23:59,151 WARN L233 ceAbstractionStarter]: 7 thread instances were not sufficient, I will increase this number and restart the analysis [2024-04-04 12:23:59,151 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 8 thread instances. [2024-04-04 12:23:59,198 INFO L144 ThreadInstanceAdder]: Constructed 8 joinOtherThreadTransitions. [2024-04-04 12:23:59,202 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 12:23:59,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 12:23:59,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:23:59,204 INFO L229 MonitoredProcess]: Starting monitored process 61 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 12:23:59,206 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (61)] Waiting until timeout for monitored process [2024-04-04 12:23:59,226 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 12:23:59,226 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:59,226 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 12:23:59,227 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;@1c585f7d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=213 [2024-04-04 12:23:59,227 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-04-04 12:23:59,443 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:23:59,443 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:23:59,443 INFO L85 PathProgramCache]: Analyzing trace with hash -857728578, now seen corresponding path program 1 times [2024-04-04 12:23:59,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:23:59,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118417950] [2024-04-04 12:23:59,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:23:59,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:23:59,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:23:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 552 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2024-04-04 12:23:59,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:23:59,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118417950] [2024-04-04 12:23:59,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118417950] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:23:59,510 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:23:59,510 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-04-04 12:23:59,510 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [335466130] [2024-04-04 12:23:59,510 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:23:59,510 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-04-04 12:23:59,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:23:59,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-04-04 12:23:59,927 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-04-04 12:23:59,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:23:59,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:23:59,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:23:59,928 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:00,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:00,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2024-04-04 12:24:00,271 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:24:00,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:00,271 INFO L85 PathProgramCache]: Analyzing trace with hash -56031683, now seen corresponding path program 1 times [2024-04-04 12:24:00,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:00,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676460644] [2024-04-04 12:24:00,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:00,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:00,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:00,365 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:00,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:00,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676460644] [2024-04-04 12:24:00,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [676460644] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:00,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1817554447] [2024-04-04 12:24:00,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:00,366 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:00,366 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:00,368 INFO L229 MonitoredProcess]: Starting monitored process 62 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:00,370 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Waiting until timeout for monitored process [2024-04-04 12:24:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:00,957 INFO L262 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 4 conjunts are in the unsatisfiable core [2024-04-04 12:24:00,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:00,986 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:00,986 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:01,019 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:01,019 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1817554447] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:01,019 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:01,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-04-04 12:24:01,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321871095] [2024-04-04 12:24:01,020 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:01,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-04-04 12:24:01,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:01,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-04-04 12:24:01,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-04-04 12:24:01,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:01,137 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:01,137 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 29.1) internal successors, (291), 10 states have internal predecessors, (291), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:24:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:01,137 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:01,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:01,266 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (62)] Ended with exit code 0 [2024-04-04 12:24:01,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70,62 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:01,467 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:24:01,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:01,468 INFO L85 PathProgramCache]: Analyzing trace with hash -1251200323, now seen corresponding path program 2 times [2024-04-04 12:24:01,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:01,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159175254] [2024-04-04 12:24:01,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:01,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:01,617 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:01,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159175254] [2024-04-04 12:24:01,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159175254] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:01,617 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1843040208] [2024-04-04 12:24:01,618 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 12:24:01,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:01,618 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:01,619 INFO L229 MonitoredProcess]: Starting monitored process 63 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:01,621 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Waiting until timeout for monitored process [2024-04-04 12:24:02,205 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 12:24:02,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:24:02,208 INFO L262 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 8 conjunts are in the unsatisfiable core [2024-04-04 12:24:02,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:02,241 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:02,241 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:02,313 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:02,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1843040208] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:24:02,314 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:24:02,314 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-04-04 12:24:02,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108265280] [2024-04-04 12:24:02,314 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:24:02,314 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-04-04 12:24:02,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:24:02,457 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-04-04 12:24:02,457 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-04-04 12:24:02,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:02,457 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:24:02,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 17.27777777777778) internal successors, (311), 18 states have internal predecessors, (311), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:24:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:02,458 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:24:02,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:24:02,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:24:02,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:24:02,716 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (63)] Forceful destruction successful, exit code 0 [2024-04-04 12:24:02,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71,63 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:02,909 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:24:02,909 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:24:02,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1485722691, now seen corresponding path program 3 times [2024-04-04 12:24:02,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:24:02,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1975247888] [2024-04-04 12:24:02,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:24:02,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:24:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:24:03,243 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:24:03,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:24:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1975247888] [2024-04-04 12:24:03,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1975247888] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:24:03,243 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [325050428] [2024-04-04 12:24:03,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 12:24:03,244 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:24:03,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:24:03,245 INFO L229 MonitoredProcess]: Starting monitored process 64 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:24:03,247 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2024-04-04 12:24:06,116 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 12:24:06,116 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 12:24:06,127 INFO L262 TraceCheckSpWp]: Trace formula consists of 835 conjuncts, 122 conjunts are in the unsatisfiable core [2024-04-04 12:24:06,136 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:24:06,672 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 13 treesize of output 9 [2024-04-04 12:24:06,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:06,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:24:06,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:06,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 13 [2024-04-04 12:24:07,059 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 12:24:07,059 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2024-04-04 12:24:07,889 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 11 treesize of output 7 [2024-04-04 12:24:08,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:08,301 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 23 [2024-04-04 12:24:08,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:08,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 12:24:08,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:08,516 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 12:24:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:08,708 INFO L349 Elim1Store]: treesize reduction 34, result has 49.3 percent of original size [2024-04-04 12:24:08,709 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 48 [2024-04-04 12:24:09,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:09,010 INFO L349 Elim1Store]: treesize reduction 21, result has 30.0 percent of original size [2024-04-04 12:24:09,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 68 treesize of output 62 [2024-04-04 12:24:09,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:09,252 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 45 [2024-04-04 12:24:09,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:09,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 23 [2024-04-04 12:24:10,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:10,181 INFO L349 Elim1Store]: treesize reduction 42, result has 37.3 percent of original size [2024-04-04 12:24:10,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 39 treesize of output 43 [2024-04-04 12:24:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:16,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-04-04 12:24:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:16,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 25 [2024-04-04 12:24:16,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:16,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:16,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:16,774 INFO L349 Elim1Store]: treesize reduction 40, result has 48.7 percent of original size [2024-04-04 12:24:16,774 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 39 treesize of output 56 [2024-04-04 12:24:17,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:17,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 130 [2024-04-04 12:24:18,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:18,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 155 treesize of output 130 [2024-04-04 12:24:19,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:19,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:19,425 INFO L349 Elim1Store]: treesize reduction 22, result has 38.9 percent of original size [2024-04-04 12:24:19,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 39 [2024-04-04 12:24:20,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:20,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:20,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:20,341 INFO L349 Elim1Store]: treesize reduction 64, result has 37.3 percent of original size [2024-04-04 12:24:20,341 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 48 treesize of output 59 [2024-04-04 12:24:26,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-04-04 12:24:26,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 32 [2024-04-04 12:24:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:27,010 INFO L349 Elim1Store]: treesize reduction 42, result has 48.8 percent of original size [2024-04-04 12:24:27,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 68 [2024-04-04 12:24:28,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:28,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 167 [2024-04-04 12:24:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:24:28,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 198 treesize of output 167 [2024-04-04 12:24:30,051 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 157 proven. 170 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-04-04 12:24:30,051 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:24:34,844 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse7 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|)) (.cse8 (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse5 (store .cse7 .cse8 1)) (.cse6 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse10 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse5 .cse6 1)))) (let ((.cse1 (store (select (store .cse10 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) (let ((.cse9 (select (store (store .cse10 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse1) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|)) (.cse4 (+ |c_~#cache~0.offset| 4))) (let ((.cse2 (store .cse9 .cse4 1)) (.cse3 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse0 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse1) |c_~#cache~0.base| (store .cse2 .cse3 1)))) (store .cse0 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse0 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse4) 0)) (not (= (select .cse5 .cse6) 0)) (not (= (select .cse7 .cse8) 0)) (not (= (select .cse9 .cse4) 0)) (not (= (select .cse2 .cse3) 0)))))))))) is different from false [2024-04-04 12:24:35,461 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse3 (store |c_#pthreadsMutex| |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0)))) (let ((.cse0 (select (store .cse3 |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|)) (.cse1 (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse9 (store .cse0 .cse1 1)) (.cse10 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse11 (store .cse3 |c_~#cache~0.base| (store .cse9 .cse10 1)))) (let ((.cse4 (store (select (store .cse11 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) (let ((.cse8 (select (store (store .cse11 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse4) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|)) (.cse7 (+ |c_~#cache~0.offset| 4))) (let ((.cse5 (store .cse8 .cse7 1)) (.cse6 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse0 .cse1) 0)) (not (= (select (select (store (let ((.cse2 (store (store .cse3 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse4) |c_~#cache~0.base| (store .cse5 .cse6 1)))) (store .cse2 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse2 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse7) 0)) (not (= (select .cse8 .cse7) 0)) (not (= (select .cse9 .cse10) 0)) (not (= (select .cse5 .cse6) 0))))))))))) is different from false [2024-04-04 12:24:35,735 WARN L854 $PredicateComparison]: unable to prove that (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7221 (Array Int Int)) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse5 (store |c_#pthreadsMutex| |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7221) |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0)))) (let ((.cse2 (select (store .cse5 |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|)) (.cse3 (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse9 (store .cse2 .cse3 1)) (.cse10 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse11 (store .cse5 |c_~#cache~0.base| (store .cse9 .cse10 1)))) (let ((.cse6 (store (select (store .cse11 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) (let ((.cse0 (select (store (store .cse11 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse6) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|)) (.cse1 (+ |c_~#cache~0.offset| 4))) (let ((.cse7 (store .cse0 .cse1 1)) (.cse8 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse0 .cse1) 0)) (not (= (select .cse2 .cse3) 0)) (not (= (select (select (store (let ((.cse4 (store (store .cse5 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse6) |c_~#cache~0.base| (store .cse7 .cse8 1)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse1) 0)) (not (= (select .cse7 .cse8) 0)) (not (= (select .cse9 .cse10) 0))))))))))) is different from false [2024-04-04 12:24:40,441 INFO L349 Elim1Store]: treesize reduction 54, result has 43.2 percent of original size [2024-04-04 12:24:40,442 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 1912 treesize of output 760 [2024-04-04 12:24:43,795 INFO L349 Elim1Store]: treesize reduction 40, result has 50.0 percent of original size [2024-04-04 12:24:43,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 3890 treesize of output 3747 [2024-04-04 12:24:44,772 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:44,776 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 3275838 treesize of output 3252904 [2024-04-04 12:24:45,779 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11018 treesize of output 10506 [2024-04-04 12:24:46,291 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 12:24:46,292 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 10603 treesize of output 10539 [2024-04-04 12:24:46,503 INFO L349 Elim1Store]: treesize reduction 17, result has 32.0 percent of original size [2024-04-04 12:24:46,504 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 11606 treesize of output 11498 [2024-04-04 12:24:46,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8044 treesize of output 7788 [2024-04-04 12:24:47,049 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 12:24:47,050 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 192 treesize of output 176 [2024-04-04 12:24:47,271 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2024-04-04 12:24:47,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 1420 treesize of output 1356 [2024-04-04 12:24:49,729 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:24:49,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:24:49,780 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:49,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 21 [2024-04-04 12:24:50,295 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:24:51,462 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:24:51,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 1049 treesize of output 2005 [2024-04-04 12:27:57,180 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:27:57,180 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:27:57,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:27:57,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 31 [2024-04-04 12:27:57,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 4 [2024-04-04 12:27:57,200 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-04-04 12:27:57,200 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 1 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 24 [2024-04-04 12:27:57,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:27:57,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2024-04-04 12:28:03,518 INFO L134 CoverageAnalysis]: Checked inductivity of 459 backedges. 110 proven. 200 refuted. 6 times theorem prover too weak. 142 trivial. 1 not checked. [2024-04-04 12:28:03,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [325050428] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:28:03,518 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:28:03,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 42, 39] total 94 [2024-04-04 12:28:03,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58513264] [2024-04-04 12:28:03,518 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:28:03,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2024-04-04 12:28:03,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:28:03,765 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2024-04-04 12:28:03,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=767, Invalid=7308, Unknown=127, NotChecked=540, Total=8742 [2024-04-04 12:28:03,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:28:03,767 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:28:03,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 10.606382978723405) internal successors, (997), 94 states have internal predecessors, (997), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:28:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:28:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:28:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:28:03,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:28:09,938 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:28:13,881 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse9 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse3 (+ |c_~#cache~0.offset| 4)) (.cse12 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (and (let ((.cse1 (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (or (not (= (select .cse0 .cse1) 0)) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse6 (store .cse0 .cse1 1)) (.cse7 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse11 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse6 .cse7 1)))) (let ((.cse10 (store (select (store .cse11 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse2 (select (store (store .cse11 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse10) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse4 (store .cse2 .cse3 1)) (.cse5 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse2 .cse3) 0)) (not (= (select .cse4 .cse5) 0)) (not (= (select .cse6 .cse7) 0)) (not (= (select (select (store (let ((.cse8 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse10) |c_~#cache~0.base| (store .cse4 .cse5 1)))) (store .cse8 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse8 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0))))))))))) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|)) (<= 0 |c_t_funThread1of8ForFork0_~i~0#1|) (let ((.cse22 (select |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse23 (+ |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse14 (store |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse22 .cse23 1)))) (let ((.cse18 (select .cse14 |c_~#cache~0.base|)) (.cse19 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse21 (store .cse14 |c_~#cache~0.base| (store .cse18 .cse19 1)))) (let ((.cse15 (store (select (store .cse21 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse20 (select (store (store .cse21 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse15) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse16 (store .cse20 .cse3 1)) (.cse17 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse13 (store (store .cse14 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse15) |c_~#cache~0.base| (store .cse16 .cse17 1)))) (store .cse13 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse13 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= (select .cse18 .cse19) 0)) (not (= 0 (select .cse16 .cse17))) (not (= 0 (select .cse20 .cse3))))))))))) (not (= (select .cse22 .cse23) 0)))) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread3of8ForFork0_cache_entry_addref_#in~entry#1.base| 4) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse29 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse30 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse0 .cse29 1)))) (let ((.cse28 (store (select (store .cse30 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse24 (select (store (store .cse30 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse28) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse25 (store .cse24 .cse3 1)) (.cse26 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse24 .cse3) 0)) (not (= (select .cse25 .cse26) 0)) (not (= (select (select (store (let ((.cse27 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse28) |c_~#cache~0.base| (store .cse25 .cse26 1)))) (store .cse27 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse27 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= (select .cse0 .cse29) 0))))))))) (let ((.cse31 (select |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse32 (+ |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.offset| 4))) (or (not (= (select .cse31 .cse32) 0)) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse37 (store |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse31 .cse32 1)))) (let ((.cse39 (select .cse37 |c_~#cache~0.base|)) (.cse40 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse41 (store .cse37 |c_~#cache~0.base| (store .cse39 .cse40 1)))) (let ((.cse38 (store (select (store .cse41 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse33 (select (store (store .cse41 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse38) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse34 (store .cse33 .cse3 1)) (.cse35 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse33 .cse3) 0)) (not (= (select .cse34 .cse35) 0)) (not (= (select (select (store (let ((.cse36 (store (store .cse37 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse38) |c_~#cache~0.base| (store .cse34 .cse35 1)))) (store .cse36 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse36 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= 0 (select .cse39 .cse40))))))))))))) (= |c_~#cache~0.offset| 0) (= (select (select |c_#pthreadsMutex| 4) .cse12) 1) (<= |c_~#__global_lock~0.base| 3) (= |c_t_funThread4of8ForFork0_cache_entry_addref_#in~entry#1.base| 4) (= |c_~#cache~0.base| 4))) is different from true [2024-04-04 12:28:19,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:22,545 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:24,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:28,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:30,418 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:32,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:34,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:36,484 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:38,528 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:40,534 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:43,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:45,057 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:47,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:49,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:51,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:53,098 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:55,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:57,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:28:59,121 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:00,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:05,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:07,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:09,348 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:11,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:13,865 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:15,874 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:17,896 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:21,851 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:24,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:27,134 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse19 (select |c_#pthreadsMutex| 4))) (let ((.cse35 (select .cse19 4))) (let ((.cse16 (= .cse35 1))) (let ((.cse3 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse5 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse7 (+ |c_~#cache~0.offset| 4)) (.cse8 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse25 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse17 (and (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse19 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0) (<= 28 |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset|))) .cse16)) (.cse15 (= .cse35 0)) (.cse14 (exists ((|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse19 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1))))) (and (= |c_t_funThread5of8ForFork0_cache_entry_addref_#in~entry#1.base| 4) (forall ((v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse6 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse8 0)))) (let ((.cse2 (select (store .cse6 |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse0 (store .cse2 .cse3 1)) (.cse1 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse0 .cse1) 0)) (not (= (select .cse2 .cse3) 0)) (not (= (select (select (store (let ((.cse4 (store .cse6 |c_~#cache~0.base| (store .cse0 .cse1 1)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse7) 0))))))) (forall ((v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7240 (Array Int Int))) (let ((.cse13 (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse8 0)))) (let ((.cse11 (select (store .cse13 |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse9 (store .cse11 .cse3 1)) (.cse10 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse9 .cse10) 0)) (not (= (select .cse11 .cse3) 0)) (not (= (select (select (store (let ((.cse12 (store .cse13 |c_~#cache~0.base| (store .cse9 .cse10 1)))) (store .cse12 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse12 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse7) 0))))))) (or (and .cse14 (or .cse15 (and (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int)) (= (select (select |c_#pthreadsMutex| |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0)) .cse16))) .cse17) (or (and .cse16 (let ((.cse18 (exists ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse19 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|)))))) (or (and .cse18 .cse14) (and (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse19 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 0)))) (exists ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (<= 28 |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse19 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|))))) (and .cse18 (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse19 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|)) (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse19 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 0)))))))) (and .cse15 (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse19 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|)) (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse19 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1))) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 0)))) (= |c_t_funThread6of8ForFork0_~i~0#1| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse26 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse27 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse25 .cse26 1)))) (let ((.cse21 (store (select (store .cse27 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse8 0))) (let ((.cse24 (select (store (store .cse27 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse21) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse22 (store .cse24 .cse3 1)) (.cse23 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse20 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse21) |c_~#cache~0.base| (store .cse22 .cse23 1)))) (store .cse20 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse20 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse7) 0)) (not (= (select .cse22 .cse23) 0)) (not (= 0 (select .cse24 .cse3))) (not (= (select .cse25 .cse26) 0))))))))) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|)) (= |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.offset| 0) (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread5of8ForFork0_~i~0#1| 0) (= |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.offset| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse33 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse34 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse25 .cse33 1)))) (let ((.cse32 (store (select (store .cse34 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse8 0))) (let ((.cse28 (select (store (store .cse34 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse32) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse29 (store .cse28 .cse7 1)) (.cse30 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse28 .cse7) 0)) (not (= (select .cse29 .cse30) 0)) (not (= (select (select (store (let ((.cse31 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse32) |c_~#cache~0.base| (store .cse29 .cse30 1)))) (store .cse31 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse31 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse7) 0)) (not (= (select .cse25 .cse33) 0))))))))) (= |c_~#cache~0.offset| 0) (or .cse17 (and (or .cse15 .cse16) .cse14)) (<= 1 |c_t_funThread1of8ForFork0_~i~0#1|) (= |c_t_funThread5of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread7of8ForFork0_~i~0#1| 0) (<= |c_~#__global_lock~0.base| 3) (= |c_t_funThread5of8ForFork0_cache_entry_addref_~entry#1.offset| 0) (= |c_t_funThread5of8ForFork0_cache_entry_addref_#in~entry#1.offset| 0) (= |c_~#cache~0.base| 4) (= |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base| 4) (= |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base| 4)))))) is different from false [2024-04-04 12:29:33,221 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-04-04 12:29:36,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:46,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:48,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:50,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:52,317 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:54,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:29:56,376 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-04-04 12:30:00,066 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-04-04 12:30:02,146 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-04-04 12:30:04,266 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-04-04 12:30:06,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-04-04 12:30:09,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [0, 1] [2024-04-04 12:30:11,119 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse22 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse17 (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse8 (+ |c_~#cache~0.offset| 4)) (.cse5 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse1 (select |c_#pthreadsMutex| 4))) (and (let ((.cse0 (exists ((|t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (= (select .cse1 (+ |t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0)))) (or (and .cse0 (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse1 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 0)) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|)) (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse1 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|)) (= (select .cse1 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 0))))) (and (exists ((|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (not (= |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 0)) (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse1 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|)) (= (select .cse1 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1))) .cse0) (and .cse0 (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse1 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|)) (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse1 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 0))))) (and (exists ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (= (select .cse1 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 0)) (= (select .cse1 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 1) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset|)) (not (= |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 0)))) (exists ((|t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (and (<= 28 |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset|) (= (select .cse1 (+ |t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0)))))) (forall ((v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7240 (Array Int Int))) (let ((.cse2 (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|)) (.cse3 (+ (* |c_t_funThread7of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4))) (let ((.cse6 (store .cse2 .cse3 1)) (.cse7 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse2 .cse3) 0)) (not (= (select (select (store (let ((.cse4 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse6 .cse7 1)))) (store .cse4 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse4 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse8) 0)) (not (= (select .cse6 .cse7) 0)))))) (= |c_t_funThread8of8ForFork0_~i~0#1| 0) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7221 (Array Int Int)) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (|v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| Int) (v_ArrVal_7240 (Array Int Int))) (let ((.cse19 (select |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse20 (+ |v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| 4))) (let ((.cse10 (let ((.cse23 (store |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse19 .cse20 1)))) (store .cse23 |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse23 |c_~#__global_lock~0.base| v_ArrVal_7221) |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))))) (let ((.cse16 (select (store .cse10 |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|))) (let ((.cse14 (store .cse16 .cse17 1)) (.cse15 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse21 (store .cse10 |c_~#cache~0.base| (store .cse14 .cse15 1)))) (let ((.cse11 (store (select (store .cse21 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse22 0))) (let ((.cse18 (select (store (store .cse21 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse11) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse12 (store .cse18 .cse8 1)) (.cse13 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse9 (store (store .cse10 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse11) |c_~#cache~0.base| (store .cse12 .cse13 1)))) (store .cse9 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse9 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse8) 0)) (not (= (select .cse14 .cse15) 0)) (< |v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| |c_t_funThread1of8ForFork0_cache_entry_addref_#in~entry#1.offset|) (not (= (select .cse16 .cse17) 0)) (not (= (select .cse12 .cse13) 0)) (not (= (select .cse18 .cse8) 0)) (not (= (select .cse19 .cse20) 0)))))))))))) (let ((.cse35 (select |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse36 (+ |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7221 (Array Int Int)) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse31 (let ((.cse34 (store |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse35 .cse36 1)))) (store .cse34 |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse34 |c_~#__global_lock~0.base| v_ArrVal_7221) |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))))) (let ((.cse27 (select (store .cse31 |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|))) (let ((.cse28 (store .cse27 .cse17 1)) (.cse29 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse33 (store .cse31 |c_~#cache~0.base| (store .cse28 .cse29 1)))) (let ((.cse32 (store (select (store .cse33 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse22 0))) (let ((.cse24 (select (store (store .cse33 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse32) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse25 (store .cse24 .cse8 1)) (.cse26 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse24 .cse8) 0)) (not (= 0 (select .cse25 .cse26))) (not (= (select .cse27 .cse17) 0)) (not (= (select .cse28 .cse29) 0)) (not (= (select (select (store (let ((.cse30 (store (store .cse31 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse32) |c_~#cache~0.base| (store .cse25 .cse26 1)))) (store .cse30 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse30 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse8) 0))))))))))) (not (= (select .cse35 .cse36) 0)))) (= |c_~#cache~0.offset| 0) (<= |c_~#__global_lock~0.base| 3) (forall ((v_ArrVal_7237 (Array Int Int)) (|t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7240 (Array Int Int))) (let ((.cse37 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse38 (+ |t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (not (= (select .cse37 .cse38) 0)) (not (= (select (select (store (let ((.cse39 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse37 .cse38 1)))) (store .cse39 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse39 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse8) 0))))) (forall ((v_ArrVal_7237 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse5 0)) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) (+ (* |c_t_funThread8of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|)) (= (select .cse1 4) 1) (= |c_~#cache~0.base| 4) (or (not (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|)) (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) (not (= |c_~#cache~0.base| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|))))) is different from true [2024-04-04 12:30:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:19,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:19,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:30:19,055 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Forceful destruction successful, exit code 0 [2024-04-04 12:30:19,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72,64 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:30:19,256 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:30:19,256 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:30:19,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1428148498, now seen corresponding path program 1 times [2024-04-04 12:30:19,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:30:19,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588687505] [2024-04-04 12:30:19,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:19,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:30:19,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:19,677 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:30:19,677 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:30:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588687505] [2024-04-04 12:30:19,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588687505] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:30:19,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766297517] [2024-04-04 12:30:19,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:19,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:30:19,678 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:30:19,679 INFO L229 MonitoredProcess]: Starting monitored process 65 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:30:19,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Waiting until timeout for monitored process [2024-04-04 12:30:20,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:20,326 INFO L262 TraceCheckSpWp]: Trace formula consists of 947 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 12:30:20,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:30:20,403 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:30:20,403 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:30:20,597 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 347 trivial. 0 not checked. [2024-04-04 12:30:20,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [766297517] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:30:20,598 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:30:20,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 23 [2024-04-04 12:30:20,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999900933] [2024-04-04 12:30:20,598 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:30:20,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-04-04 12:30:20,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:30:20,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-04-04 12:30:20,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2024-04-04 12:30:20,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:20,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:30:20,830 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 14.08695652173913) internal successors, (324), 23 states have internal predecessors, (324), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:30:20,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:20,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:20,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:20,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:30:20,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:30:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:21,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (65)] Forceful destruction successful, exit code 0 [2024-04-04 12:30:21,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73,65 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:30:21,553 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:30:21,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:30:21,553 INFO L85 PathProgramCache]: Analyzing trace with hash 106181778, now seen corresponding path program 2 times [2024-04-04 12:30:21,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:30:21,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658559219] [2024-04-04 12:30:21,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:21,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:30:21,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:22,264 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 247 proven. 0 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2024-04-04 12:30:22,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:30:22,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658559219] [2024-04-04 12:30:22,264 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658559219] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:30:22,264 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:30:22,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 12:30:22,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [487953891] [2024-04-04 12:30:22,265 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:30:22,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 12:30:22,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:30:22,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 12:30:22,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-04-04 12:30:22,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:22,528 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:30:22,528 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 29.727272727272727) internal successors, (327), 11 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) [2024-04-04 12:30:22,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:22,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:22,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:22,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2024-04-04 12:30:22,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:22,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:27,868 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:30:30,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:30:32,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:30:37,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 12:30:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:37,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:30:37,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2024-04-04 12:30:37,568 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:30:37,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:30:37,569 INFO L85 PathProgramCache]: Analyzing trace with hash -1051252219, now seen corresponding path program 1 times [2024-04-04 12:30:37,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:30:37,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2127154534] [2024-04-04 12:30:37,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:37,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:30:37,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:38,385 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 252 proven. 5 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-04-04 12:30:38,385 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:30:38,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2127154534] [2024-04-04 12:30:38,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2127154534] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:30:38,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1922057535] [2024-04-04 12:30:38,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:38,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:30:38,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:30:38,387 INFO L229 MonitoredProcess]: Starting monitored process 66 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:30:38,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Waiting until timeout for monitored process [2024-04-04 12:30:39,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:39,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 933 conjuncts, 87 conjunts are in the unsatisfiable core [2024-04-04 12:30:39,048 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:30:40,924 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 11 treesize of output 7 [2024-04-04 12:30:41,751 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 11 treesize of output 7 [2024-04-04 12:30:42,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 18 [2024-04-04 12:30:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:42,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-04-04 12:30:42,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:42,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-04-04 12:30:42,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:42,334 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-04-04 12:30:42,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:42,390 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2024-04-04 12:30:42,536 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 191 proven. 158 refuted. 0 times theorem prover too weak. 233 trivial. 0 not checked. [2024-04-04 12:30:42,536 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:30:42,615 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7844 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7844) |c_~#cache~0.base|) (+ (* |c_t_funThread8of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:30:42,810 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_7844 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_~#cache~0.base| (store (select |c_#pthreadsMutex| |c_~#cache~0.base|) (+ (* 28 |c_t_funThread3of8ForFork0_~i~0#1|) |c_~#cache~0.offset| 4) 1)) |c_~#__global_lock~0.base| v_ArrVal_7844) |c_~#cache~0.base|) (+ |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:30:42,840 INFO L349 Elim1Store]: treesize reduction 35, result has 40.7 percent of original size [2024-04-04 12:30:42,840 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 37 [2024-04-04 12:30:42,865 INFO L349 Elim1Store]: treesize reduction 15, result has 57.1 percent of original size [2024-04-04 12:30:42,865 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 50 [2024-04-04 12:30:42,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:30:43,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 16 [2024-04-04 12:30:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 81 proven. 165 refuted. 0 times theorem prover too weak. 300 trivial. 36 not checked. [2024-04-04 12:30:44,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1922057535] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:30:44,211 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:30:44,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 30, 27] total 64 [2024-04-04 12:30:44,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597995709] [2024-04-04 12:30:44,211 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:30:44,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2024-04-04 12:30:44,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:30:44,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2024-04-04 12:30:44,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=577, Invalid=3186, Unknown=27, NotChecked=242, Total=4032 [2024-04-04 12:30:44,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:44,972 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:30:44,972 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 14.734375) internal successors, (943), 64 states have internal predecessors, (943), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:30:44,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:30:49,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:30:49,398 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (66)] Forceful destruction successful, exit code 0 [2024-04-04 12:30:49,596 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 66 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable75 [2024-04-04 12:30:49,596 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:30:49,597 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:30:49,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1834771001, now seen corresponding path program 1 times [2024-04-04 12:30:49,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:30:49,597 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789541392] [2024-04-04 12:30:49,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:49,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:30:49,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:50,413 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2024-04-04 12:30:50,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:30:50,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789541392] [2024-04-04 12:30:50,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789541392] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 12:30:50,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 12:30:50,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-04-04 12:30:50,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854058887] [2024-04-04 12:30:50,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 12:30:50,414 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-04-04 12:30:50,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:30:50,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-04-04 12:30:50,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2024-04-04 12:30:50,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:50,541 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:30:50,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 25.545454545454547) internal successors, (281), 11 states have internal predecessors, (281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2024-04-04 12:30:50,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-04-04 12:30:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:30:54,261 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable76 [2024-04-04 12:30:54,262 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] === [2024-04-04 12:30:54,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 12:30:54,262 INFO L85 PathProgramCache]: Analyzing trace with hash -1499849825, now seen corresponding path program 1 times [2024-04-04 12:30:54,262 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 12:30:54,262 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308370113] [2024-04-04 12:30:54,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:54,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 12:30:54,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:55,071 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 206 proven. 5 refuted. 0 times theorem prover too weak. 361 trivial. 0 not checked. [2024-04-04 12:30:55,071 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 12:30:55,071 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308370113] [2024-04-04 12:30:55,072 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [308370113] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 12:30:55,072 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1722629632] [2024-04-04 12:30:55,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 12:30:55,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 12:30:55,072 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 12:30:55,073 INFO L229 MonitoredProcess]: Starting monitored process 67 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 12:30:55,074 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2024-04-04 12:30:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 12:30:55,758 INFO L262 TraceCheckSpWp]: Trace formula consists of 829 conjuncts, 44 conjunts are in the unsatisfiable core [2024-04-04 12:30:55,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 12:30:56,925 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 11 treesize of output 7 [2024-04-04 12:30:57,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:57,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2024-04-04 12:30:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:57,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 12:30:57,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 12:30:57,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 18 [2024-04-04 12:30:57,510 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 263 proven. 24 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2024-04-04 12:30:57,510 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 12:30:57,575 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8156 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|) (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:30:57,596 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_8156 (Array Int Int))) (not (= (select (select (store (store |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.base| (store (select |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 1)) |c_~#__global_lock~0.base| v_ArrVal_8156) |c_~#cache~0.base|) (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) 0))) is different from false [2024-04-04 12:31:03,943 INFO L349 Elim1Store]: treesize reduction 27, result has 43.8 percent of original size [2024-04-04 12:31:03,944 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 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 34 [2024-04-04 12:31:03,971 INFO L349 Elim1Store]: treesize reduction 11, result has 64.5 percent of original size [2024-04-04 12:31:03,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 49 treesize of output 50 [2024-04-04 12:31:03,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2024-04-04 12:31:04,601 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 250 proven. 20 refuted. 0 times theorem prover too weak. 300 trivial. 2 not checked. [2024-04-04 12:31:04,602 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1722629632] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 12:31:04,602 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 12:31:04,602 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 18, 15] total 42 [2024-04-04 12:31:04,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791780956] [2024-04-04 12:31:04,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 12:31:04,603 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-04-04 12:31:04,603 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 12:31:04,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-04-04 12:31:04,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=1347, Unknown=10, NotChecked=154, Total=1722 [2024-04-04 12:31:04,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:31:04,865 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 12:31:04,866 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 14.833333333333334) internal successors, (623), 42 states have internal predecessors, (623), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 82 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 12:31:04,866 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 12:31:20,109 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:31:23,858 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:31:25,907 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:31:36,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:31:38,675 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:31:57,659 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:17,058 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:19,067 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:21,082 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:23,108 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:40,358 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:42,365 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:44,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:46,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:32:48,470 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse14 (select |c_#pthreadsMutex| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse9 (+ |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse12 (+ |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) (.cse1 (+ (* |c_t_funThread6of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset| 4)) (.cse0 (select |c_#pthreadsMutex| |c_~#cache~0.base|)) (.cse3 (+ |c_~#cache~0.offset| 4)) (.cse86 (select |c_#pthreadsMutex| |c_t_funThread4of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse13 (not (= |c_~#cache~0.base| |c_~#__global_lock~0.base|))) (.cse15 (not (= |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|))) (.cse16 (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|))) (.cse17 (not (= |c_~#cache~0.base| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|)))) (and (or (not (= (select .cse0 .cse1) 0)) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse6 (store .cse0 .cse1 1)) (.cse7 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse11 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse6 .cse7 1)))) (let ((.cse10 (store (select (store .cse11 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse2 (select (store (store .cse11 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse10) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse4 (store .cse2 .cse3 1)) (.cse5 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse2 .cse3) 0)) (not (= (select .cse4 .cse5) 0)) (not (= (select .cse6 .cse7) 0)) (not (= (select (select (store (let ((.cse8 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse10) |c_~#cache~0.base| (store .cse4 .cse5 1)))) (store .cse8 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse8 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)))))))))) (or .cse13 (forall ((|t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (not (= (select .cse0 (+ |t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0)))) (or (not (= (select .cse14 .cse3) 0)) .cse15 .cse16 .cse17) (let ((.cse27 (select |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse28 (+ |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse19 (store |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse27 .cse28 1)))) (let ((.cse23 (select .cse19 |c_~#cache~0.base|)) (.cse24 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse26 (store .cse19 |c_~#cache~0.base| (store .cse23 .cse24 1)))) (let ((.cse20 (store (select (store .cse26 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse25 (select (store (store .cse26 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse20) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse21 (store .cse25 .cse3 1)) (.cse22 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse18 (store (store .cse19 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse20) |c_~#cache~0.base| (store .cse21 .cse22 1)))) (store .cse18 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse18 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= (select .cse23 .cse24) 0)) (not (= 0 (select .cse21 .cse22))) (not (= 0 (select .cse25 .cse3))))))))))) (not (= (select .cse27 .cse28) 0)))) (or .cse15 .cse17 (forall ((v_ArrVal_7217 (Array Int Int))) (not (= (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7217) |c_~#cache~0.base|) .cse3) 0)))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse34 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse35 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse0 .cse34 1)))) (let ((.cse33 (store (select (store .cse35 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse29 (select (store (store .cse35 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse33) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse30 (store .cse29 .cse3 1)) (.cse31 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse29 .cse3) 0)) (not (= (select .cse30 .cse31) 0)) (not (= (select (select (store (let ((.cse32 (store (store |c_#pthreadsMutex| |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse33) |c_~#cache~0.base| (store .cse30 .cse31 1)))) (store .cse32 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse32 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= (select .cse0 .cse34) 0))))))))) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7221 (Array Int Int)) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (|v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| Int) (v_ArrVal_7240 (Array Int Int))) (let ((.cse45 (select |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse46 (+ |v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| 4))) (let ((.cse37 (let ((.cse48 (store |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse45 .cse46 1)))) (store .cse48 |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse48 |c_~#__global_lock~0.base| v_ArrVal_7221) |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))))) (let ((.cse43 (select (store .cse37 |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|))) (let ((.cse41 (store .cse43 .cse1 1)) (.cse42 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse47 (store .cse37 |c_~#cache~0.base| (store .cse41 .cse42 1)))) (let ((.cse38 (store (select (store .cse47 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse44 (select (store (store .cse47 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse38) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse39 (store .cse44 .cse3 1)) (.cse40 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select (select (store (let ((.cse36 (store (store .cse37 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse38) |c_~#cache~0.base| (store .cse39 .cse40 1)))) (store .cse36 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse36 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= (select .cse41 .cse42) 0)) (< |v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| |c_t_funThread1of8ForFork0_cache_entry_addref_#in~entry#1.offset|) (not (= (select .cse43 .cse1) 0)) (not (= (select .cse39 .cse40) 0)) (not (= (select .cse44 .cse3) 0)) (not (= (select .cse45 .cse46) 0)))))))))))) (let ((.cse49 (select |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base|)) (.cse50 (+ |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.offset| 4))) (or (not (= (select .cse49 .cse50) 0)) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse55 (store |c_#pthreadsMutex| |c_t_funThread6of8ForFork0_cache_entry_addref_#in~entry#1.base| (store .cse49 .cse50 1)))) (let ((.cse57 (select .cse55 |c_~#cache~0.base|)) (.cse58 (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (let ((.cse59 (store .cse55 |c_~#cache~0.base| (store .cse57 .cse58 1)))) (let ((.cse56 (store (select (store .cse59 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse51 (select (store (store .cse59 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse56) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse52 (store .cse51 .cse3 1)) (.cse53 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse51 .cse3) 0)) (not (= (select .cse52 .cse53) 0)) (not (= (select (select (store (let ((.cse54 (store (store .cse55 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse56) |c_~#cache~0.base| (store .cse52 .cse53 1)))) (store .cse54 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse54 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= 0 (select .cse57 .cse58))))))))))))) (let ((.cse71 (select |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.base|)) (.cse72 (+ |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset| 4))) (or (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7221 (Array Int Int)) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (v_ArrVal_7240 (Array Int Int))) (let ((.cse67 (let ((.cse70 (store |c_#pthreadsMutex| |c_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.base| (store .cse71 .cse72 1)))) (store .cse70 |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse70 |c_~#__global_lock~0.base| v_ArrVal_7221) |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))))) (let ((.cse63 (select (store .cse67 |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|))) (let ((.cse64 (store .cse63 .cse1 1)) (.cse65 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse69 (store .cse67 |c_~#cache~0.base| (store .cse64 .cse65 1)))) (let ((.cse68 (store (select (store .cse69 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse60 (select (store (store .cse69 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse68) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse61 (store .cse60 .cse3 1)) (.cse62 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (not (= (select .cse60 .cse3) 0)) (not (= 0 (select .cse61 .cse62))) (not (= (select .cse63 .cse1) 0)) (not (= (select .cse64 .cse65) 0)) (not (= (select (select (store (let ((.cse66 (store (store .cse67 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse68) |c_~#cache~0.base| (store .cse61 .cse62 1)))) (store .cse66 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse66 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0))))))))))) (not (= (select .cse71 .cse72) 0)))) (= |c_~#cache~0.offset| 0) (or (forall ((|t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (not (= (select .cse14 (+ |t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0))) .cse13) (<= |c_~#__global_lock~0.base| 3) (forall ((|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| Int) (v_ArrVal_7221 (Array Int Int)) (v_ArrVal_7232 (Array Int Int)) (v_ArrVal_7224 (Array Int Int)) (|v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (|t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| Int) (v_ArrVal_7237 (Array Int Int)) (|v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| Int) (v_ArrVal_7229 (Array Int Int)) (|v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| Int) (v_ArrVal_7240 (Array Int Int))) (let ((.cse81 (+ |v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| 4))) (let ((.cse85 (store |c_#pthreadsMutex| |c_~#cache~0.base| (store .cse0 .cse81 1)))) (let ((.cse84 (store (select (store .cse85 |c_~#__global_lock~0.base| v_ArrVal_7221) |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base|) (+ |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset| 4) 0))) (let ((.cse80 (select (store (store .cse85 |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| .cse84) |c_~#__global_lock~0.base| v_ArrVal_7224) |c_~#cache~0.base|))) (let ((.cse74 (store |c_#pthreadsMutex| |t_funThread2of8ForFork0_cache_entry_addref_~entry#1.base| .cse84)) (.cse78 (store .cse80 .cse1 1)) (.cse79 (+ |v_t_funThread2of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (let ((.cse83 (store .cse74 |c_~#cache~0.base| (store .cse78 .cse79 1)))) (let ((.cse75 (store (select (store .cse83 |c_~#__global_lock~0.base| v_ArrVal_7229) |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base|) .cse12 0))) (let ((.cse82 (select (store (store .cse83 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse75) |c_~#__global_lock~0.base| v_ArrVal_7232) |c_~#cache~0.base|))) (let ((.cse76 (store .cse82 .cse3 1)) (.cse77 (+ |v_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.offset_38| 4))) (or (< |v_t_funThread1of8ForFork0_cache_entry_addref_~entry#1.offset_35| (+ (* |c_t_funThread1of8ForFork0_~i~0#1| 28) |c_~#cache~0.offset|)) (not (= (select (select (store (let ((.cse73 (store (store .cse74 |c_t_funThread3of8ForFork0_cache_entry_addref_~entry#1.base| .cse75) |c_~#cache~0.base| (store .cse76 .cse77 1)))) (store .cse73 |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base| (store (select (store .cse73 |c_~#__global_lock~0.base| v_ArrVal_7237) |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.base|) .cse9 0))) |c_~#__global_lock~0.base| v_ArrVal_7240) |c_~#cache~0.base|) .cse3) 0)) (not (= (select .cse78 .cse79) 0)) (not (= (select .cse76 .cse77) 0)) (not (= (select .cse80 .cse1) 0)) (not (= (select .cse0 .cse81) 0)) (not (= (select .cse82 .cse3) 0))))))))))))) (or .cse15 .cse17 (not (= (select .cse0 .cse3) 0))) (or .cse15 (not (= (select .cse86 .cse3) 0)) (not (= |c_~#cache~0.base| |c_t_funThread4of8ForFork0_cache_entry_addref_#in~entry#1.base|)) .cse17) (or (forall ((v_ArrVal_7217 (Array Int Int)) (|t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (not (= 0 (select (select (store |c_#pthreadsMutex| |c_~#__global_lock~0.base| v_ArrVal_7217) |c_~#cache~0.base|) (+ |t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4))))) .cse13) .cse13 (or (forall ((|t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| Int)) (not (= (select .cse86 (+ |t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| 4)) 0))) .cse13) (= |c_~#cache~0.base| 4) (or .cse15 .cse16 (not (= |c_t_funThread4of8ForFork0_cache_entry_addref_~entry#1.offset| |c_~#cache~0.offset|)) .cse17))) is different from true [2024-04-04 12:33:01,471 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:33:04,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:33:22,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:33:44,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:33:55,818 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:33:58,894 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:01,041 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:14,552 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:16,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:18,672 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:20,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:29,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2024-04-04 12:34:31,452 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] Received shutdown request... [2024-04-04 12:35:11,943 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,943 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,943 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,943 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,948 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,949 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,949 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (46)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,949 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (61)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,949 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:11,954 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 12:35:12,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:12,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (11)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:12,960 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (25)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:12,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (6)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:12,970 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (34)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:12,972 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (18)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:12,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (46)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:13,001 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Ended with exit code 0 [2024-04-04 12:35:13,020 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (61)] Forceful destruction successful, exit code 0 [2024-04-04 12:35:13,164 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-04-04 12:35:13,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable77 [2024-04-04 12:35:13,270 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (11 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (10 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (8 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (7 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (5 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 12 remaining) [2024-04-04 12:35:13,270 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 12 remaining) [2024-04-04 12:35:13,271 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2024-04-04 12:35:13,274 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 8 thread instances [2024-04-04 12:35:13,274 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 12:35:13,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 12:35:13 BasicIcfg [2024-04-04 12:35:13,277 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 12:35:13,277 INFO L158 Benchmark]: Toolchain (without parser) took 848709.86ms. Allocated memory was 191.9MB in the beginning and 1.5GB in the end (delta: 1.3GB). Free memory was 121.4MB in the beginning and 919.0MB in the end (delta: -797.6MB). Peak memory consumption was 552.1MB. Max. memory is 8.0GB. [2024-04-04 12:35:13,277 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 12:35:13,277 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.59ms. Allocated memory was 191.9MB in the beginning and 370.1MB in the end (delta: 178.3MB). Free memory was 121.3MB in the beginning and 325.5MB in the end (delta: -204.2MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. [2024-04-04 12:35:13,277 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.40ms. Allocated memory is still 370.1MB. Free memory was 325.5MB in the beginning and 322.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-04-04 12:35:13,277 INFO L158 Benchmark]: Boogie Preprocessor took 53.47ms. Allocated memory is still 370.1MB. Free memory was 322.9MB in the beginning and 320.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2024-04-04 12:35:13,277 INFO L158 Benchmark]: RCFGBuilder took 615.47ms. Allocated memory is still 370.1MB. Free memory was 320.3MB in the beginning and 290.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. [2024-04-04 12:35:13,278 INFO L158 Benchmark]: TraceAbstraction took 847517.39ms. Allocated memory was 370.1MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 289.3MB in the beginning and 919.0MB in the end (delta: -629.6MB). Peak memory consumption was 541.1MB. Max. memory is 8.0GB. [2024-04-04 12:35:13,278 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks [2024-04-04 12:35:13,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 191.9MB. Free memory is still 122.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 474.59ms. Allocated memory was 191.9MB in the beginning and 370.1MB in the end (delta: 178.3MB). Free memory was 121.3MB in the beginning and 325.5MB in the end (delta: -204.2MB). Peak memory consumption was 21.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.40ms. Allocated memory is still 370.1MB. Free memory was 325.5MB in the beginning and 322.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.47ms. Allocated memory is still 370.1MB. Free memory was 322.9MB in the beginning and 320.3MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * RCFGBuilder took 615.47ms. Allocated memory is still 370.1MB. Free memory was 320.3MB in the beginning and 290.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 8.0GB. * TraceAbstraction took 847517.39ms. Allocated memory was 370.1MB in the beginning and 1.5GB in the end (delta: 1.2GB). Free memory was 289.3MB in the beginning and 919.0MB in the end (delta: -629.6MB). Peak memory consumption was 541.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 581, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 226, dependent conditional: 226, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 355, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 75, independent: 75, independent conditional: 19, independent unconditional: 56, 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: 75, independent: 75, independent conditional: 0, independent unconditional: 75, 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: 355, independent: 280, independent conditional: 136, independent unconditional: 144, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 75, unknown conditional: 19, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 19, Positive unconditional cache size: 56, 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: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 355, independent: 355, independent conditional: 155, independent unconditional: 200, 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: 75, independent: 75, independent conditional: 19, independent unconditional: 56, 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: 75, independent: 75, independent conditional: 0, independent unconditional: 75, 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: 355, independent: 280, independent conditional: 136, independent unconditional: 144, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 75, unknown conditional: 19, unknown unconditional: 56] , Statistics on independence cache: Total cache size (in pairs): 75, Positive cache size: 75, Positive conditional cache size: 19, Positive unconditional cache size: 56, 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: 0 ], Independence queries for same thread: 226 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3074, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 787, dependent conditional: 787, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 2287, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 406, independent: 406, independent conditional: 136, independent unconditional: 270, 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: 406, independent: 406, independent conditional: 0, independent unconditional: 406, 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: 2287, independent: 1881, independent conditional: 850, independent unconditional: 1031, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 406, unknown conditional: 136, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 406, Positive cache size: 406, Positive conditional cache size: 136, Positive unconditional cache size: 270, 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: 0, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 2287, independent: 2287, independent conditional: 986, independent unconditional: 1301, 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: 406, independent: 406, independent conditional: 136, independent unconditional: 270, 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: 406, independent: 406, independent conditional: 0, independent unconditional: 406, 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: 2287, independent: 1881, independent conditional: 850, independent unconditional: 1031, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 406, unknown conditional: 136, unknown unconditional: 270] , Statistics on independence cache: Total cache size (in pairs): 406, Positive cache size: 406, Positive conditional cache size: 136, Positive unconditional cache size: 270, 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: 0 ], Independence queries for same thread: 787 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 9582, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 1899, dependent conditional: 1899, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 7683, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3268, independent unconditional: 4415, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 895, independent: 895, independent conditional: 254, independent unconditional: 641, 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: 895, independent: 891, independent conditional: 0, independent unconditional: 891, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, 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: 4, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7683, independent: 6788, independent conditional: 2863, independent unconditional: 3925, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 895, unknown conditional: 254, unknown unconditional: 641] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 895, Positive conditional cache size: 254, Positive unconditional cache size: 641, 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: 151, Maximal queried relation: 0, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7683, independent: 7683, independent conditional: 3268, independent unconditional: 4415, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 7683, independent: 7683, independent conditional: 3117, independent unconditional: 4566, 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: 895, independent: 895, independent conditional: 254, independent unconditional: 641, 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: 895, independent: 891, independent conditional: 0, independent unconditional: 891, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 4, independent conditional: 1, independent unconditional: 3, 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: 4, independent: 4, independent conditional: 1, independent unconditional: 3, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 28, independent: 28, independent conditional: 0, independent unconditional: 28, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7683, independent: 6788, independent conditional: 2863, independent unconditional: 3925, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 895, unknown conditional: 254, unknown unconditional: 641] , Statistics on independence cache: Total cache size (in pairs): 895, Positive cache size: 895, Positive conditional cache size: 254, Positive unconditional cache size: 641, 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: 151 ], Independence queries for same thread: 1899 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23142, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 3640, dependent conditional: 3640, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 19502, independent: 19502, independent conditional: 19502, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 8140, independent unconditional: 11362, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1872, independent: 1868, independent conditional: 600, independent unconditional: 1268, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1872, independent: 1854, independent conditional: 0, independent unconditional: 1854, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 42, independent conditional: 7, independent unconditional: 35, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19508, independent: 17634, independent conditional: 7355, independent unconditional: 10279, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1872, unknown conditional: 602, unknown unconditional: 1270] , Statistics on independence cache: Total cache size (in pairs): 1872, Positive cache size: 1868, Positive conditional cache size: 600, Positive unconditional cache size: 1268, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 185, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 8140, independent unconditional: 11362, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 19508, independent: 19502, independent conditional: 7955, independent unconditional: 11547, dependent: 6, dependent conditional: 2, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1872, independent: 1868, independent conditional: 600, independent unconditional: 1268, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1872, independent: 1854, independent conditional: 0, independent unconditional: 1854, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, independent: 14, independent conditional: 5, independent unconditional: 9, dependent: 4, dependent conditional: 2, dependent unconditional: 2, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 52, independent: 42, independent conditional: 7, independent unconditional: 35, dependent: 10, dependent conditional: 5, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 19508, independent: 17634, independent conditional: 7355, independent unconditional: 10279, dependent: 2, dependent conditional: 0, dependent unconditional: 2, unknown: 1872, unknown conditional: 602, unknown unconditional: 1270] , Statistics on independence cache: Total cache size (in pairs): 1872, Positive cache size: 1868, Positive conditional cache size: 600, Positive unconditional cache size: 1268, Negative cache size: 4, Negative conditional cache size: 2, Negative unconditional cache size: 2, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 185 ], Independence queries for same thread: 3640 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 63411, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 7749, dependent conditional: 7749, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 55684, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55684, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 55684, independent: 55662, independent conditional: 55662, independent unconditional: 0, dependent: 22, dependent conditional: 22, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21968, independent unconditional: 33694, dependent: 133, dependent conditional: 63, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21022, independent unconditional: 34640, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21022, independent unconditional: 34640, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3328, independent: 3289, independent conditional: 958, independent unconditional: 2331, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3328, independent: 3241, independent conditional: 0, independent unconditional: 3241, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 82, independent conditional: 37, independent unconditional: 46, dependent: 69, dependent conditional: 53, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55795, independent: 52373, independent conditional: 20064, independent unconditional: 32309, dependent: 94, dependent conditional: 24, dependent unconditional: 70, unknown: 3328, unknown conditional: 986, unknown unconditional: 2342] , Statistics on independence cache: Total cache size (in pairs): 3328, Positive cache size: 3289, Positive conditional cache size: 958, Positive unconditional cache size: 2331, Negative cache size: 39, Negative conditional cache size: 28, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 957, Maximal queried relation: 6, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21968, independent unconditional: 33694, dependent: 133, dependent conditional: 63, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21022, independent unconditional: 34640, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 55795, independent: 55662, independent conditional: 21022, independent unconditional: 34640, dependent: 133, dependent conditional: 52, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3328, independent: 3289, independent conditional: 958, independent unconditional: 2331, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3328, independent: 3241, independent conditional: 0, independent unconditional: 3241, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 87, independent: 48, independent conditional: 28, independent unconditional: 20, dependent: 39, dependent conditional: 28, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 152, independent: 82, independent conditional: 37, independent unconditional: 46, dependent: 69, dependent conditional: 53, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 55795, independent: 52373, independent conditional: 20064, independent unconditional: 32309, dependent: 94, dependent conditional: 24, dependent unconditional: 70, unknown: 3328, unknown conditional: 986, unknown unconditional: 2342] , Statistics on independence cache: Total cache size (in pairs): 3328, Positive cache size: 3289, Positive conditional cache size: 958, Positive unconditional cache size: 2331, Negative cache size: 39, Negative conditional cache size: 28, Negative unconditional cache size: 11, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 957 ], Independence queries for same thread: 7727 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 135794, independent: 121670, independent conditional: 121670, independent unconditional: 0, dependent: 14124, dependent conditional: 14124, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 121715, independent: 121670, independent conditional: 121670, independent unconditional: 0, dependent: 45, dependent conditional: 45, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121715, independent: 121670, independent conditional: 121670, independent unconditional: 0, dependent: 45, dependent conditional: 45, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 121715, independent: 121670, independent conditional: 121670, independent unconditional: 0, dependent: 45, dependent conditional: 45, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121972, independent: 121670, independent conditional: 47465, independent unconditional: 74205, dependent: 302, dependent conditional: 174, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121972, independent: 121670, independent conditional: 45580, independent unconditional: 76090, dependent: 302, dependent conditional: 135, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121972, independent: 121670, independent conditional: 45580, independent unconditional: 76090, dependent: 302, dependent conditional: 135, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5345, independent: 5288, independent conditional: 1555, independent unconditional: 3733, dependent: 57, dependent conditional: 44, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5345, independent: 5223, independent conditional: 0, independent unconditional: 5223, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 65, independent conditional: 35, independent unconditional: 30, dependent: 57, dependent conditional: 44, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 65, independent conditional: 35, independent unconditional: 30, dependent: 57, dependent conditional: 44, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, independent: 98, independent conditional: 37, independent unconditional: 61, dependent: 113, dependent conditional: 95, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121972, independent: 116382, independent conditional: 44025, independent unconditional: 72357, dependent: 245, dependent conditional: 91, dependent unconditional: 154, unknown: 5345, unknown conditional: 1599, unknown unconditional: 3746] , Statistics on independence cache: Total cache size (in pairs): 5345, Positive cache size: 5288, Positive conditional cache size: 1555, Positive unconditional cache size: 3733, Negative cache size: 57, Negative conditional cache size: 44, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1924, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 121972, independent: 121670, independent conditional: 47465, independent unconditional: 74205, dependent: 302, dependent conditional: 174, dependent unconditional: 128, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 121972, independent: 121670, independent conditional: 45580, independent unconditional: 76090, dependent: 302, dependent conditional: 135, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 121972, independent: 121670, independent conditional: 45580, independent unconditional: 76090, dependent: 302, dependent conditional: 135, dependent unconditional: 167, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 5345, independent: 5288, independent conditional: 1555, independent unconditional: 3733, dependent: 57, dependent conditional: 44, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 5345, independent: 5223, independent conditional: 0, independent unconditional: 5223, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 122, independent: 65, independent conditional: 35, independent unconditional: 30, dependent: 57, dependent conditional: 44, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 122, independent: 65, independent conditional: 35, independent unconditional: 30, dependent: 57, dependent conditional: 44, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 211, independent: 98, independent conditional: 37, independent unconditional: 61, dependent: 113, dependent conditional: 95, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 121972, independent: 116382, independent conditional: 44025, independent unconditional: 72357, dependent: 245, dependent conditional: 91, dependent unconditional: 154, unknown: 5345, unknown conditional: 1599, unknown unconditional: 3746] , Statistics on independence cache: Total cache size (in pairs): 5345, Positive cache size: 5288, Positive conditional cache size: 1555, Positive unconditional cache size: 3733, Negative cache size: 57, Negative conditional cache size: 44, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1924 ], Independence queries for same thread: 14079 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 235929, independent: 213912, independent conditional: 213912, independent unconditional: 0, dependent: 22017, dependent conditional: 22017, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 213976, independent: 213912, independent conditional: 213912, independent unconditional: 0, dependent: 64, dependent conditional: 64, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213976, independent: 213912, independent conditional: 213912, independent unconditional: 0, dependent: 64, dependent conditional: 64, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 213976, independent: 213912, independent conditional: 213912, independent unconditional: 0, dependent: 64, dependent conditional: 64, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 214439, independent: 213912, independent conditional: 82097, independent unconditional: 131815, dependent: 527, dependent conditional: 346, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 214439, independent: 213912, independent conditional: 77300, independent unconditional: 136612, dependent: 527, dependent conditional: 240, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 214439, independent: 213912, independent conditional: 77300, independent unconditional: 136612, dependent: 527, dependent conditional: 240, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7492, independent: 7408, independent conditional: 2074, independent unconditional: 5334, dependent: 84, dependent conditional: 67, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7492, independent: 7298, independent conditional: 0, independent unconditional: 7298, dependent: 194, dependent conditional: 0, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 194, independent: 110, independent conditional: 51, independent unconditional: 59, dependent: 84, dependent conditional: 67, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 194, independent: 110, independent conditional: 51, independent unconditional: 59, dependent: 84, dependent conditional: 67, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, independent: 137, independent conditional: 42, independent unconditional: 94, dependent: 161, dependent conditional: 138, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 214439, independent: 206504, independent conditional: 75226, independent unconditional: 131278, dependent: 443, dependent conditional: 173, dependent unconditional: 270, unknown: 7492, unknown conditional: 2141, unknown unconditional: 5351] , Statistics on independence cache: Total cache size (in pairs): 7492, Positive cache size: 7408, Positive conditional cache size: 2074, Positive unconditional cache size: 5334, Negative cache size: 84, Negative conditional cache size: 67, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4903, Maximal queried relation: 12, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 214439, independent: 213912, independent conditional: 82097, independent unconditional: 131815, dependent: 527, dependent conditional: 346, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 214439, independent: 213912, independent conditional: 77300, independent unconditional: 136612, dependent: 527, dependent conditional: 240, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 214439, independent: 213912, independent conditional: 77300, independent unconditional: 136612, dependent: 527, dependent conditional: 240, dependent unconditional: 287, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7492, independent: 7408, independent conditional: 2074, independent unconditional: 5334, dependent: 84, dependent conditional: 67, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7492, independent: 7298, independent conditional: 0, independent unconditional: 7298, dependent: 194, dependent conditional: 0, dependent unconditional: 194, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 194, independent: 110, independent conditional: 51, independent unconditional: 59, dependent: 84, dependent conditional: 67, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 194, independent: 110, independent conditional: 51, independent unconditional: 59, dependent: 84, dependent conditional: 67, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 298, independent: 137, independent conditional: 42, independent unconditional: 94, dependent: 161, dependent conditional: 138, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 214439, independent: 206504, independent conditional: 75226, independent unconditional: 131278, dependent: 443, dependent conditional: 173, dependent unconditional: 270, unknown: 7492, unknown conditional: 2141, unknown unconditional: 5351] , Statistics on independence cache: Total cache size (in pairs): 7492, Positive cache size: 7408, Positive conditional cache size: 2074, Positive unconditional cache size: 5334, Negative cache size: 84, Negative conditional cache size: 67, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 4903 ], Independence queries for same thread: 21953 - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 303322, independent: 277675, independent conditional: 277675, independent unconditional: 0, dependent: 25647, dependent conditional: 25647, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 277753, independent: 277675, independent conditional: 277675, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 277753, independent: 277675, independent conditional: 277675, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 277753, independent: 277675, independent conditional: 277675, independent unconditional: 0, dependent: 78, dependent conditional: 78, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 278000, independent: 277675, independent conditional: 111339, independent unconditional: 166336, dependent: 325, dependent conditional: 148, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 278000, independent: 277675, independent conditional: 110223, independent unconditional: 167452, dependent: 325, dependent conditional: 104, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278000, independent: 277675, independent conditional: 110223, independent unconditional: 167452, dependent: 325, dependent conditional: 104, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10146, independent: 10035, independent conditional: 3062, independent unconditional: 6973, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10146, independent: 9898, independent conditional: 0, independent unconditional: 9898, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 248, independent: 137, independent conditional: 70, independent unconditional: 67, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 248, independent: 137, independent conditional: 70, independent unconditional: 67, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, independent: 116, independent conditional: 36, independent unconditional: 80, dependent: 181, dependent conditional: 136, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 278000, independent: 267640, independent conditional: 107161, independent unconditional: 160479, dependent: 214, dependent conditional: 27, dependent unconditional: 187, unknown: 10146, unknown conditional: 3139, unknown unconditional: 7007] , Statistics on independence cache: Total cache size (in pairs): 10146, Positive cache size: 10035, Positive conditional cache size: 3062, Positive unconditional cache size: 6973, Negative cache size: 111, Negative conditional cache size: 77, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1160, Maximal queried relation: 5, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 278000, independent: 277675, independent conditional: 111339, independent unconditional: 166336, dependent: 325, dependent conditional: 148, dependent unconditional: 177, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 278000, independent: 277675, independent conditional: 110223, independent unconditional: 167452, dependent: 325, dependent conditional: 104, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 278000, independent: 277675, independent conditional: 110223, independent unconditional: 167452, dependent: 325, dependent conditional: 104, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10146, independent: 10035, independent conditional: 3062, independent unconditional: 6973, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10146, independent: 9898, independent conditional: 0, independent unconditional: 9898, dependent: 248, dependent conditional: 0, dependent unconditional: 248, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 248, independent: 137, independent conditional: 70, independent unconditional: 67, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 248, independent: 137, independent conditional: 70, independent unconditional: 67, dependent: 111, dependent conditional: 77, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 297, independent: 116, independent conditional: 36, independent unconditional: 80, dependent: 181, dependent conditional: 136, dependent unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 278000, independent: 267640, independent conditional: 107161, independent unconditional: 160479, dependent: 214, dependent conditional: 27, dependent unconditional: 187, unknown: 10146, unknown conditional: 3139, unknown unconditional: 7007] , Statistics on independence cache: Total cache size (in pairs): 10146, Positive cache size: 10035, Positive conditional cache size: 3062, Positive unconditional cache size: 6973, Negative cache size: 111, Negative conditional cache size: 77, Negative unconditional cache size: 34, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1160 ], Independence queries for same thread: 25569 - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 953]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 929]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 288 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.5s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 63, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 544 NumberOfCodeBlocks, 544 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 635 ConstructedInterpolants, 0 QuantifiedInterpolants, 985 SizeOfPredicates, 22 NumberOfNonLiveVariables, 482 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 50/443 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 - StatisticsResult: Ultimate Automizer benchmark data with 2 thread instances CFG has 4 procedures, 351 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 95, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 948 NumberOfCodeBlocks, 923 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1193 ConstructedInterpolants, 0 QuantifiedInterpolants, 2660 SizeOfPredicates, 35 NumberOfNonLiveVariables, 839 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 13 InterpolantComputations, 1 PerfectInterpolantSequences, 474/1097 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 - StatisticsResult: Ultimate Automizer benchmark data with 3 thread instances CFG has 5 procedures, 414 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 1.7s, 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: 118, 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: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 1755 NumberOfCodeBlocks, 1711 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2354 ConstructedInterpolants, 0 QuantifiedInterpolants, 7058 SizeOfPredicates, 57 NumberOfNonLiveVariables, 1646 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 2435/3108 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 - StatisticsResult: Ultimate Automizer benchmark data with 4 thread instances CFG has 6 procedures, 477 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 9.3s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 2.2s, 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: 122, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2217 NumberOfCodeBlocks, 2150 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2986 ConstructedInterpolants, 83 QuantifiedInterpolants, 13195 SizeOfPredicates, 59 NumberOfNonLiveVariables, 2064 ConjunctsInSsa, 118 ConjunctsInUnsatCore, 19 InterpolantComputations, 1 PerfectInterpolantSequences, 3069/3787 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 - StatisticsResult: Ultimate Automizer benchmark data with 5 thread instances CFG has 7 procedures, 540 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 17.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 4.8s, 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: 186, 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: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 3936 NumberOfCodeBlocks, 3874 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 5363 ConstructedInterpolants, 83 QuantifiedInterpolants, 28792 SizeOfPredicates, 82 NumberOfNonLiveVariables, 3728 ConjunctsInSsa, 176 ConjunctsInUnsatCore, 26 InterpolantComputations, 2 PerfectInterpolantSequences, 6190/7188 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 - StatisticsResult: Ultimate Automizer benchmark data with 6 thread instances CFG has 8 procedures, 603 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 30.4s, OverallIterations: 14, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 9.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 274, 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: 0.4s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 12.9s InterpolantComputationTime, 6316 NumberOfCodeBlocks, 6259 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 8840 ConstructedInterpolants, 83 QuantifiedInterpolants, 43779 SizeOfPredicates, 120 NumberOfNonLiveVariables, 6380 ConjunctsInSsa, 268 ConjunctsInUnsatCore, 35 InterpolantComputations, 2 PerfectInterpolantSequences, 11279/12599 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 - StatisticsResult: Ultimate Automizer benchmark data with 7 thread instances CFG has 9 procedures, 666 locations, 11 error locations. Started 1 CEGAR loops. OverallTime: 100.9s, OverallIterations: 17, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 14.0s, 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: 361, 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: 0.6s SsaConstructionTime, 3.8s SatisfiabilityAnalysisTime, 71.3s InterpolantComputationTime, 9003 NumberOfCodeBlocks, 8951 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 12752 ConstructedInterpolants, 294 QuantifiedInterpolants, 72231 SizeOfPredicates, 195 NumberOfNonLiveVariables, 9238 ConjunctsInSsa, 435 ConjunctsInUnsatCore, 44 InterpolantComputations, 2 PerfectInterpolantSequences, 17409/19576 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 - StatisticsResult: Ultimate Automizer benchmark data with 8 thread instances CFG has 10 procedures, 729 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 674.0s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 408.3s, 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: 285, 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: 0.3s SsaConstructionTime, 2.9s SatisfiabilityAnalysisTime, 255.7s InterpolantComputationTime, 5826 NumberOfCodeBlocks, 5779 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 8126 ConstructedInterpolants, 478 QuantifiedInterpolants, 108857 SizeOfPredicates, 128 NumberOfNonLiveVariables, 5336 ConjunctsInSsa, 283 ConjunctsInUnsatCore, 21 InterpolantComputations, 3 PerfectInterpolantSequences, 8774/10179 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