/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-05 08:24:31,066 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-05 08:24:31,103 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-05 08:24:31,106 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-05 08:24:31,106 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-05 08:24:31,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-05 08:24:31,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-05 08:24:31,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-05 08:24:31,119 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-05 08:24:31,119 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-05 08:24:31,120 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-05 08:24:31,120 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-05 08:24:31,120 INFO L153 SettingsManager]: * Use SBE=true [2024-04-05 08:24:31,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-05 08:24:31,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-05 08:24:31,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-05 08:24:31,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-05 08:24:31,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-05 08:24:31,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-05 08:24:31,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-05 08:24:31,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-05 08:24:31,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-05 08:24:31,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-05 08:24:31,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-05 08:24:31,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-05 08:24:31,123 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-05 08:24:31,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-05 08:24:31,124 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-05 08:24:31,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-05 08:24:31,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 08:24:31,124 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-05 08:24:31,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-05 08:24:31,125 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-05 08:24:31,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-05 08:24:31,125 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-05 08:24:31,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-05 08:24:31,126 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-05 08:24:31,126 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-05 08:24:31,126 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-05 08:24:31,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 20 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 546 [2024-04-05 08:24:31,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-05 08:24:31,286 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-05 08:24:31,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-05 08:24:31,289 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-05 08:24:31,289 INFO L274 PluginConnector]: CDTParser initialized [2024-04-05 08:24:31,290 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2024-04-05 08:24:32,377 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-05 08:24:32,568 INFO L384 CDTParser]: Found 1 translation units. [2024-04-05 08:24:32,569 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c [2024-04-05 08:24:32,576 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/17d7ab772/fe0849384cf3433491fed147f46a3edb/FLAG9c517c70f [2024-04-05 08:24:32,592 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/17d7ab772/fe0849384cf3433491fed147f46a3edb [2024-04-05 08:24:32,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-05 08:24:32,597 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-05 08:24:32,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-05 08:24:32,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-05 08:24:32,602 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-05 08:24:32,603 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78c33f54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32, skipping insertion in model container [2024-04-05 08:24:32,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,627 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-05 08:24:32,795 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c[2728,2741] [2024-04-05 08:24:32,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 08:24:32,809 INFO L202 MainTranslator]: Completed pre-run [2024-04-05 08:24:32,834 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-array-int-trans.wvr.c[2728,2741] [2024-04-05 08:24:32,837 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-05 08:24:32,850 INFO L206 MainTranslator]: Completed translation [2024-04-05 08:24:32,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32 WrapperNode [2024-04-05 08:24:32,851 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-05 08:24:32,851 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-05 08:24:32,851 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-05 08:24:32,852 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-05 08:24:32,857 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,865 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,899 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 13, calls inlined = 21, statements flattened = 285 [2024-04-05 08:24:32,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-05 08:24:32,900 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-05 08:24:32,900 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-05 08:24:32,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-05 08:24:32,907 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,911 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,911 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,920 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,922 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,923 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,926 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-05 08:24:32,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-05 08:24:32,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-05 08:24:32,926 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-05 08:24:32,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (1/1) ... [2024-04-05 08:24:32,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-05 08:24:32,941 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:24:32,966 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-05 08:24:32,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-05 08:24:33,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-05 08:24:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-05 08:24:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-05 08:24:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-05 08:24:33,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-05 08:24:33,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-05 08:24:33,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-05 08:24:33,008 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-05 08:24:33,168 INFO L241 CfgBuilder]: Building ICFG [2024-04-05 08:24:33,169 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-05 08:24:33,493 INFO L282 CfgBuilder]: Performing block encoding [2024-04-05 08:24:33,504 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-05 08:24:33,504 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2024-04-05 08:24:33,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:24:33 BoogieIcfgContainer [2024-04-05 08:24:33,506 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-05 08:24:33,507 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-05 08:24:33,507 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-05 08:24:33,510 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-05 08:24:33,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.04 08:24:32" (1/3) ... [2024-04-05 08:24:33,510 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd24cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:24:33, skipping insertion in model container [2024-04-05 08:24:33,510 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.04 08:24:32" (2/3) ... [2024-04-05 08:24:33,511 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dd24cb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.04 08:24:33, skipping insertion in model container [2024-04-05 08:24:33,511 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.04 08:24:33" (3/3) ... [2024-04-05 08:24:33,511 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-array-int-trans.wvr.c [2024-04-05 08:24:33,517 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-05 08:24:33,524 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-05 08:24:33,525 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-05 08:24:33,525 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-05 08:24:33,599 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-04-05 08:24:33,633 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-05 08:24:33,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-05 08:24:33,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:24:33,636 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-05 08:24:33,669 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-05 08:24:33,682 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-05 08:24:33,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:33,692 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-05 08:24:33,697 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;@1e78c49d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546 [2024-04-05 08:24:33,697 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-04-05 08:24:34,008 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:34,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:34,010 INFO L85 PathProgramCache]: Analyzing trace with hash 144759930, now seen corresponding path program 1 times [2024-04-05 08:24:34,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:34,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85784993] [2024-04-05 08:24:34,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:34,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:34,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 08:24:34,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:34,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85784993] [2024-04-05 08:24:34,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85784993] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:24:34,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:24:34,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-05 08:24:34,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566409581] [2024-04-05 08:24:34,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:24:34,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-05 08:24:34,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:34,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-05 08:24:34,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-05 08:24:34,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:34,418 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:34,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 138.5) internal successors, (277), 2 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:24:34,419 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:35,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:35,186 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-05 08:24:35,186 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:35,187 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:35,187 INFO L85 PathProgramCache]: Analyzing trace with hash -873191136, now seen corresponding path program 1 times [2024-04-05 08:24:35,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:35,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218186333] [2024-04-05 08:24:35,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:35,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:35,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-05 08:24:35,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:35,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218186333] [2024-04-05 08:24:35,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218186333] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:24:35,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:24:35,661 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 08:24:35,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396427420] [2024-04-05 08:24:35,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:24:35,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 08:24:35,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:35,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 08:24:35,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 08:24:35,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:35,664 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:35,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.714285714285715) internal successors, (264), 7 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:24:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:35,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:36,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:36,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:36,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-05 08:24:36,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:36,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:36,303 INFO L85 PathProgramCache]: Analyzing trace with hash 938198523, now seen corresponding path program 1 times [2024-04-05 08:24:36,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:36,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502725733] [2024-04-05 08:24:36,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:36,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:36,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 08:24:36,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:36,516 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502725733] [2024-04-05 08:24:36,516 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502725733] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:24:36,516 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:24:36,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 08:24:36,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813836465] [2024-04-05 08:24:36,516 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:24:36,517 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 08:24:36,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:36,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 08:24:36,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 08:24:36,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:36,518 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:36,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 38.857142857142854) internal successors, (272), 7 states have internal predecessors, (272), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:24:36,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:36,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:36,519 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-04-05 08:24:37,076 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:37,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:37,077 INFO L85 PathProgramCache]: Analyzing trace with hash 220235464, now seen corresponding path program 1 times [2024-04-05 08:24:37,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:37,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570458392] [2024-04-05 08:24:37,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:37,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:37,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:37,303 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 08:24:37,303 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:37,303 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570458392] [2024-04-05 08:24:37,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570458392] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:24:37,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:24:37,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-05 08:24:37,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1897861964] [2024-04-05 08:24:37,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:24:37,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-05 08:24:37,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:37,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-05 08:24:37,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-05 08:24:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:37,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:37,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.0) internal successors, (280), 7 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) [2024-04-05 08:24:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:37,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,311 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:37,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:37,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-04-05 08:24:37,891 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:37,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:37,892 INFO L85 PathProgramCache]: Analyzing trace with hash 2041377866, now seen corresponding path program 1 times [2024-04-05 08:24:37,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:37,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [980229081] [2024-04-05 08:24:37,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:37,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:40,727 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-04-05 08:24:40,727 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:40,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [980229081] [2024-04-05 08:24:40,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [980229081] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:24:40,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:24:40,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [46] imperfect sequences [] total 46 [2024-04-05 08:24:40,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113210816] [2024-04-05 08:24:40,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:24:40,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-04-05 08:24:40,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:40,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-04-05 08:24:40,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1910, Unknown=0, NotChecked=0, Total=2070 [2024-04-05 08:24:40,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:40,733 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:40,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 6.260869565217392) internal successors, (288), 46 states have internal predecessors, (288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:24:40,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:40,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:40,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:40,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:40,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:45,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:45,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:24:45,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-05 08:24:45,576 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:45,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:45,577 INFO L85 PathProgramCache]: Analyzing trace with hash 339577789, now seen corresponding path program 1 times [2024-04-05 08:24:45,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:45,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810578779] [2024-04-05 08:24:45,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:45,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:45,868 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 08:24:45,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:45,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810578779] [2024-04-05 08:24:45,868 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810578779] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:24:45,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1035699944] [2024-04-05 08:24:45,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:45,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:24:45,869 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:24:45,918 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:24:45,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-05 08:24:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:46,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 08:24:46,079 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:24:46,561 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 08:24:46,562 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:24:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-04-05 08:24:46,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1035699944] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:24:46,949 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:24:46,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 28 [2024-04-05 08:24:46,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597545531] [2024-04-05 08:24:46,950 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:24:46,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-04-05 08:24:46,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:46,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-04-05 08:24:46,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=655, Unknown=0, NotChecked=0, Total=756 [2024-04-05 08:24:46,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:46,952 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:46,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 22.857142857142858) internal successors, (640), 28 states have internal predecessors, (640), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:24:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:24:46,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:48,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:48,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:24:48,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:24:48,245 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-05 08:24:48,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-05 08:24:48,446 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:24:48,446 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:24:48,446 INFO L85 PathProgramCache]: Analyzing trace with hash -160831488, now seen corresponding path program 2 times [2024-04-05 08:24:48,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:24:48,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806307191] [2024-04-05 08:24:48,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:24:48,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:24:48,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:24:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-05 08:24:50,466 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:24:50,466 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806307191] [2024-04-05 08:24:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806307191] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:24:50,467 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050763387] [2024-04-05 08:24:50,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 08:24:50,467 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:24:50,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:24:50,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:24:50,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-05 08:24:50,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 08:24:50,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:24:50,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 100 conjunts are in the unsatisfiable core [2024-04-05 08:24:50,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:24:51,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2024-04-05 08:24:51,532 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 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-04-05 08:24:51,960 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-05 08:24:51,960 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 11 treesize of output 11 [2024-04-05 08:24:52,140 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 08:24:52,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 08:24:52,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 08:24:52,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 08:24:52,962 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-04-05 08:24:55,670 INFO L349 Elim1Store]: treesize reduction 8, result has 68.0 percent of original size [2024-04-05 08:24:55,670 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 65 treesize of output 41 [2024-04-05 08:24:56,101 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-04-05 08:24:56,101 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:24:58,828 WARN L854 $PredicateComparison]: unable to prove that (forall ((~a3~0.base Int) (~a1~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse5 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse0 (select .cse5 ~a3~0.base)) (.cse1 (select .cse5 ~a1~0.base)) (.cse2 (select .cse5 c_~a2~0.base))) (or (< (select .cse0 c_~a3~0.offset) (select .cse1 c_~a1~0.offset)) (let ((.cse3 (* |c_thread2Thread1of1ForFork0_~i~1#1| 4))) (< (select .cse2 (+ .cse3 c_~a2~0.offset)) (+ (select .cse0 (+ .cse3 c_~a3~0.offset)) 1))) (let ((.cse4 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse1 (+ c_~a1~0.offset .cse4)) (+ (select .cse2 (+ c_~a2~0.offset .cse4)) 1))))))) is different from false [2024-04-05 08:24:58,889 WARN L854 $PredicateComparison]: unable to prove that (forall ((~a3~0.base Int) (~a1~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse0 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse1 (select .cse4 ~a1~0.base)) (.cse2 (select .cse4 c_~a2~0.base))) (or (< .cse0 (select .cse1 c_~a1~0.offset)) (< (select .cse2 c_~a2~0.offset) (+ .cse0 1)) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse1 (+ c_~a1~0.offset .cse3)) (+ (select .cse2 (+ c_~a2~0.offset .cse3)) 1))))))) is different from false [2024-04-05 08:24:58,920 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_212 (Array Int Int)) (~a1~0.base Int) (~a3~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse1 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse2 (select .cse4 ~a1~0.base)) (.cse0 (select .cse4 c_~a2~0.base))) (or (< (select .cse0 c_~a2~0.offset) (+ .cse1 1)) (< .cse1 (select .cse2 c_~a1~0.offset)) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse2 (+ c_~a1~0.offset .cse3)) (+ (select .cse0 (+ c_~a2~0.offset .cse3)) 1))))))) is different from false [2024-04-05 08:24:59,018 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-05 08:24:59,018 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050763387] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 08:24:59,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 08:24:59,019 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [34] imperfect sequences [44, 55] total 123 [2024-04-05 08:24:59,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786877623] [2024-04-05 08:24:59,021 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:24:59,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-04-05 08:24:59,022 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:24:59,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-04-05 08:24:59,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=606, Invalid=13683, Unknown=3, NotChecked=714, Total=15006 [2024-04-05 08:24:59,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:59,025 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:24:59,025 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 8.735294117647058) internal successors, (297), 34 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:24:59,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:24:59,567 WARN L854 $PredicateComparison]: unable to prove that (and (or (< c_~res2~0 1) (< c_~res1~0 1)) (forall ((v_ArrVal_212 (Array Int Int)) (~a1~0.base Int) (~a3~0.base Int) (v_ArrVal_213 (Array Int Int))) (let ((.cse4 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_212) |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_213))) (let ((.cse1 (select (select .cse4 ~a3~0.base) c_~a3~0.offset)) (.cse2 (select .cse4 ~a1~0.base)) (.cse0 (select .cse4 c_~a2~0.base))) (or (< (select .cse0 c_~a2~0.offset) (+ .cse1 1)) (< .cse1 (select .cse2 c_~a1~0.offset)) (let ((.cse3 (* |c_thread1Thread1of1ForFork2_~i~0#1| 4))) (< (select .cse2 (+ c_~a1~0.offset .cse3)) (+ (select .cse0 (+ c_~a2~0.offset .cse3)) 1)))))))) is different from false [2024-04-05 08:25:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:07,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-05 08:25:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:07,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-04-05 08:25:07,868 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-05 08:25:08,063 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:25:08,063 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:25:08,064 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:25:08,064 INFO L85 PathProgramCache]: Analyzing trace with hash 1764081504, now seen corresponding path program 1 times [2024-04-05 08:25:08,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:25:08,064 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2025584734] [2024-04-05 08:25:08,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:08,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:25:08,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:08,409 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 08:25:08,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:25:08,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2025584734] [2024-04-05 08:25:08,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2025584734] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:25:08,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122965530] [2024-04-05 08:25:08,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:08,410 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:25:08,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:25:08,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:25:08,413 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-05 08:25:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:08,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 08:25:08,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:25:09,128 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 08:25:09,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:25:09,793 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-05 08:25:09,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122965530] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 08:25:09,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 08:25:09,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2024-04-05 08:25:09,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293268321] [2024-04-05 08:25:09,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:25:09,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 08:25:09,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:25:09,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 08:25:09,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-04-05 08:25:09,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:09,796 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:25:09,796 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.066666666666666) internal successors, (271), 15 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2024-04-05 08:25:09,796 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 08:25:14,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:14,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-05 08:25:15,071 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:25:15,071 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:25:15,072 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:25:15,072 INFO L85 PathProgramCache]: Analyzing trace with hash 1757342136, now seen corresponding path program 1 times [2024-04-05 08:25:15,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:25:15,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086544832] [2024-04-05 08:25:15,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:15,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:25:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 08:25:15,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:25:15,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086544832] [2024-04-05 08:25:15,274 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086544832] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:25:15,274 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575393388] [2024-04-05 08:25:15,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:15,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:25:15,275 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:25:15,276 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:25:15,300 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-05 08:25:15,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:15,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 623 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-05 08:25:15,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:25:15,748 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 08:25:15,749 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:25:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-04-05 08:25:15,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575393388] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:25:15,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:25:15,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-05 08:25:15,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137549748] [2024-04-05 08:25:15,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:25:15,949 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-05 08:25:15,949 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:25:15,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-05 08:25:15,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-05 08:25:15,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:15,950 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:25:15,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 20.583333333333332) internal successors, (494), 24 states have internal predecessors, (494), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:15,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:17,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:17,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:25:17,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-05 08:25:17,422 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-04-05 08:25:17,422 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:25:17,423 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:25:17,423 INFO L85 PathProgramCache]: Analyzing trace with hash -201662069, now seen corresponding path program 2 times [2024-04-05 08:25:17,423 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:25:17,423 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993583516] [2024-04-05 08:25:17,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:17,423 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:25:17,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:19,269 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 08:25:19,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:25:19,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993583516] [2024-04-05 08:25:19,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993583516] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:25:19,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [332018551] [2024-04-05 08:25:19,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-05 08:25:19,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:25:19,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:25:19,284 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:25:19,285 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-05 08:25:19,462 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-05 08:25:19,462 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-05 08:25:19,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 69 conjunts are in the unsatisfiable core [2024-04-05 08:25:19,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:25:20,613 INFO L349 Elim1Store]: treesize reduction 3, result has 91.9 percent of original size [2024-04-05 08:25:20,614 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 51 treesize of output 52 [2024-04-05 08:25:21,506 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-04-05 08:25:21,506 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:25:23,516 INFO L349 Elim1Store]: treesize reduction 4, result has 98.3 percent of original size [2024-04-05 08:25:23,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 236 [2024-04-05 08:25:31,621 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 08:25:31,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [332018551] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:25:31,621 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:25:31,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 33, 29] total 96 [2024-04-05 08:25:31,622 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115609210] [2024-04-05 08:25:31,622 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:25:31,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-04-05 08:25:31,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:25:31,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-04-05 08:25:31,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=8738, Unknown=0, NotChecked=0, Total=9120 [2024-04-05 08:25:31,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:31,631 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:25:31,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 7.072916666666667) internal successors, (679), 96 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:25:31,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:43,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:25:43,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2024-04-05 08:25:43,263 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-04-05 08:25:43,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-05 08:25:43,467 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:25:43,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:25:43,467 INFO L85 PathProgramCache]: Analyzing trace with hash 208925382, now seen corresponding path program 1 times [2024-04-05 08:25:43,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:25:43,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1791836544] [2024-04-05 08:25:43,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:43,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:25:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:44,719 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 08:25:44,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:25:44,719 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1791836544] [2024-04-05 08:25:44,719 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1791836544] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-05 08:25:44,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-05 08:25:44,720 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [30] imperfect sequences [] total 30 [2024-04-05 08:25:44,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179343171] [2024-04-05 08:25:44,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:25:44,722 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-05 08:25:44,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:25:44,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-05 08:25:44,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=734, Unknown=0, NotChecked=0, Total=870 [2024-04-05 08:25:44,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:44,723 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:25:44,724 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 10.2) internal successors, (306), 30 states have internal predecessors, (306), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 85 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2024-04-05 08:25:44,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2024-04-05 08:25:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2024-04-05 08:25:54,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:54,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:25:54,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2024-04-05 08:25:54,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-05 08:25:54,811 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-04-05 08:25:54,811 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:25:54,812 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:25:54,812 INFO L85 PathProgramCache]: Analyzing trace with hash 854427541, now seen corresponding path program 1 times [2024-04-05 08:25:54,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:25:54,813 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779398546] [2024-04-05 08:25:54,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:54,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:25:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:55,158 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 08:25:55,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:25:55,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779398546] [2024-04-05 08:25:55,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1779398546] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:25:55,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [319584289] [2024-04-05 08:25:55,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:25:55,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:25:55,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:25:55,160 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:25:55,162 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-05 08:25:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:25:55,315 INFO L262 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-05 08:25:55,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:25:55,664 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 08:25:55,664 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:25:56,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-04-05 08:25:56,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [319584289] provided 1 perfect and 1 imperfect interpolant sequences [2024-04-05 08:25:56,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-04-05 08:25:56,242 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [15, 15] total 35 [2024-04-05 08:25:56,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246481352] [2024-04-05 08:25:56,242 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-05 08:25:56,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-04-05 08:25:56,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:25:56,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-04-05 08:25:56,243 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=941, Unknown=0, NotChecked=0, Total=1190 [2024-04-05 08:25:56,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:56,244 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:25:56,244 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 18.066666666666666) internal successors, (271), 15 states have internal predecessors, (271), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 86 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-05 08:25:56,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2024-04-05 08:26:53,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:26:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:26:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2024-04-05 08:26:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-04-05 08:26:53,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-04-05 08:26:53,682 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-04-05 08:26:53,885 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,SelfDestructingSolverStorable11 [2024-04-05 08:26:53,885 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-04-05 08:26:53,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-05 08:26:53,885 INFO L85 PathProgramCache]: Analyzing trace with hash 844866225, now seen corresponding path program 1 times [2024-04-05 08:26:53,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-05 08:26:53,886 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1420910599] [2024-04-05 08:26:53,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:26:53,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-05 08:26:53,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:26:55,672 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 08:26:55,673 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-05 08:26:55,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1420910599] [2024-04-05 08:26:55,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1420910599] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-05 08:26:55,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [999287266] [2024-04-05 08:26:55,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-05 08:26:55,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-05 08:26:55,673 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-05 08:26:55,674 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-05 08:26:55,675 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-05 08:26:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-05 08:26:55,848 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 68 conjunts are in the unsatisfiable core [2024-04-05 08:26:55,852 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-05 08:26:57,364 INFO L349 Elim1Store]: treesize reduction 6, result has 83.8 percent of original size [2024-04-05 08:26:57,365 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 63 treesize of output 53 [2024-04-05 08:26:58,143 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 08:26:58,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-05 08:27:00,176 INFO L349 Elim1Store]: treesize reduction 8, result has 96.5 percent of original size [2024-04-05 08:27:00,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 79 treesize of output 235 [2024-04-05 08:27:07,450 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-04-05 08:27:07,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [999287266] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-05 08:27:07,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-05 08:27:07,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 37, 32] total 102 [2024-04-05 08:27:07,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349746694] [2024-04-05 08:27:07,452 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-05 08:27:07,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2024-04-05 08:27:07,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-05 08:27:07,458 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2024-04-05 08:27:07,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=499, Invalid=9803, Unknown=0, NotChecked=0, Total=10302 [2024-04-05 08:27:07,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:27:07,460 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-05 08:27:07,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 7.323529411764706) internal successors, (747), 102 states have internal predecessors, (747), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-05 08:27:07,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-05 08:27:07,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:27:07,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:27:07,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-05 08:27:07,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 183 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 105 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2024-04-05 08:27:07,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.