/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 SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 06:34:57,357 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 06:34:57,418 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 06:34:57,421 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 06:34:57,422 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 06:34:57,442 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 06:34:57,443 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 06:34:57,443 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 06:34:57,444 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 06:34:57,447 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 06:34:57,448 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 06:34:57,448 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 06:34:57,448 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 06:34:57,449 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 06:34:57,449 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 06:34:57,450 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 06:34:57,450 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 06:34:57,450 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 06:34:57,450 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 06:34:57,450 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 06:34:57,450 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 06:34:57,452 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 06:34:57,452 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 06:34:57,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 06:34:57,452 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 06:34:57,452 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 06:34:57,452 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 06:34:57,453 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 06:34:57,453 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 06:34:57,453 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 06:34:57,454 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 06:34:57,454 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 06:34:57,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 06:34:57,454 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 06:34:57,454 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 06:34:57,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 06:34:57,455 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 06:34:57,455 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 06:34:57,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 06:34:57,455 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-04-04 06:34:57,668 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 06:34:57,683 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 06:34:57,685 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 06:34:57,686 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 06:34:57,687 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 06:34:57,687 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-04-04 06:34:58,929 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 06:34:59,080 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 06:34:59,080 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c [2024-04-04 06:34:59,086 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5196347cd/6619c0ed5f704c329b2abd2c7b27e364/FLAG0e39ec059 [2024-04-04 06:34:59,097 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/5196347cd/6619c0ed5f704c329b2abd2c7b27e364 [2024-04-04 06:34:59,099 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 06:34:59,103 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 06:34:59,103 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 06:34:59,104 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 06:34:59,115 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 06:34:59,116 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,117 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25c6971c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59, skipping insertion in model container [2024-04-04 06:34:59,117 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,143 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 06:34:59,259 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2024-04-04 06:34:59,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 06:34:59,271 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 06:34:59,286 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-min-max-dec.wvr.c[3019,3032] [2024-04-04 06:34:59,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 06:34:59,294 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 06:34:59,294 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 06:34:59,299 INFO L206 MainTranslator]: Completed translation [2024-04-04 06:34:59,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59 WrapperNode [2024-04-04 06:34:59,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 06:34:59,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 06:34:59,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 06:34:59,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 06:34:59,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,312 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,327 INFO L138 Inliner]: procedures = 26, calls = 63, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 140 [2024-04-04 06:34:59,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 06:34:59,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 06:34:59,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 06:34:59,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 06:34:59,333 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,333 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,346 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,348 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 06:34:59,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 06:34:59,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 06:34:59,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 06:34:59,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (1/1) ... [2024-04-04 06:34:59,353 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 06:34:59,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:34:59,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-04-04 06:34:59,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-04-04 06:34:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 06:34:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 06:34:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 06:34:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 06:34:59,408 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 06:34:59,408 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 06:34:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-04-04 06:34:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2024-04-04 06:34:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-04-04 06:34:59,409 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 06:34:59,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 06:34:59,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 06:34:59,411 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-04-04 06:34:59,510 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 06:34:59,512 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 06:34:59,718 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 06:34:59,800 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 06:34:59,801 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2024-04-04 06:34:59,802 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:34:59 BoogieIcfgContainer [2024-04-04 06:34:59,802 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 06:34:59,804 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 06:34:59,804 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 06:34:59,806 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 06:34:59,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 06:34:59" (1/3) ... [2024-04-04 06:34:59,807 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f09c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:34:59, skipping insertion in model container [2024-04-04 06:34:59,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 06:34:59" (2/3) ... [2024-04-04 06:34:59,808 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69f09c13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 06:34:59, skipping insertion in model container [2024-04-04 06:34:59,808 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 06:34:59" (3/3) ... [2024-04-04 06:34:59,810 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-min-max-dec.wvr.c [2024-04-04 06:34:59,819 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 06:34:59,826 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 06:34:59,826 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 06:34:59,826 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 06:34:59,923 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2024-04-04 06:34:59,964 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 06:34:59,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 06:34:59,964 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:34:59,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-04-04 06:34:59,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-04-04 06:34:59,997 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 06:35:00,006 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:00,008 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 06:35:00,013 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;@3e6774e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 06:35:00,013 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-04-04 06:35:00,398 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 2 more)] === [2024-04-04 06:35:00,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:00,401 INFO L85 PathProgramCache]: Analyzing trace with hash -884110150, now seen corresponding path program 1 times [2024-04-04 06:35:00,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:00,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447941671] [2024-04-04 06:35:00,409 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:00,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:00,776 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2024-04-04 06:35:00,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:00,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447941671] [2024-04-04 06:35:00,777 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447941671] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:35:00,777 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:35:00,777 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 06:35:00,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141520412] [2024-04-04 06:35:00,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:35:00,785 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 06:35:00,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:00,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 06:35:00,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 06:35:00,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:00,804 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:00,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 70.5) internal successors, (141), 2 states have internal predecessors, (141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:00,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:00,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:00,932 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 06:35:00,932 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 2 more)] === [2024-04-04 06:35:00,933 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:00,933 INFO L85 PathProgramCache]: Analyzing trace with hash -1846802511, now seen corresponding path program 1 times [2024-04-04 06:35:00,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:00,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122883483] [2024-04-04 06:35:00,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:00,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:01,339 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2024-04-04 06:35:01,339 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:01,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1122883483] [2024-04-04 06:35:01,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1122883483] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:35:01,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 06:35:01,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-04-04 06:35:01,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26421831] [2024-04-04 06:35:01,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:35:01,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-04-04 06:35:01,343 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:01,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-04-04 06:35:01,346 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-04-04 06:35:01,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:01,346 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:01,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 19.714285714285715) internal successors, (138), 7 states have internal predecessors, (138), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:01,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:01,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:01,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:01,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:01,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 06:35:01,575 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 2 more)] === [2024-04-04 06:35:01,576 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:01,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1283961915, now seen corresponding path program 1 times [2024-04-04 06:35:01,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:01,577 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [668691715] [2024-04-04 06:35:01,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:01,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 41 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-04-04 06:35:01,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [668691715] [2024-04-04 06:35:01,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [668691715] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:35:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991875782] [2024-04-04 06:35:01,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:01,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:01,978 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:35:02,039 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:35:02,063 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-04-04 06:35:02,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:02,189 INFO L262 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 10 conjunts are in the unsatisfiable core [2024-04-04 06:35:02,198 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:35:02,551 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-04-04 06:35:02,551 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:35:02,770 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 42 proven. 1 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2024-04-04 06:35:02,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991875782] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:35:02,771 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:35:02,771 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2024-04-04 06:35:02,771 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400507510] [2024-04-04 06:35:02,771 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:35:02,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-04-04 06:35:02,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:02,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-04-04 06:35:02,778 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2024-04-04 06:35:02,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:02,778 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:02,778 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 11.25) internal successors, (270), 24 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:02,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:02,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:02,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:03,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:03,247 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-04-04 06:35:03,430 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-04-04 06:35:03,430 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 2 more)] === [2024-04-04 06:35:03,431 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:03,431 INFO L85 PathProgramCache]: Analyzing trace with hash 1272527833, now seen corresponding path program 2 times [2024-04-04 06:35:03,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:03,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567265775] [2024-04-04 06:35:03,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:03,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:03,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:03,894 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 06:35:03,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:03,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567265775] [2024-04-04 06:35:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567265775] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:35:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1483080946] [2024-04-04 06:35:03,899 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:35:03,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:03,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:35:03,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:35:03,920 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-04-04 06:35:04,043 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-04-04 06:35:04,043 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:35:04,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 33 conjunts are in the unsatisfiable core [2024-04-04 06:35:04,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:35:04,083 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 [2024-04-04 06:35:04,115 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-04 06:35:04,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-04 06:35:04,150 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-04 06:35:04,150 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-04-04 06:35:04,320 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 06:35:04,321 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 15 treesize of output 15 [2024-04-04 06:35:04,426 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 06:35:04,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-04 06:35:04,603 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-04-04 06:35:04,603 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 06:35:04,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1483080946] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:35:04,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 06:35:04,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [15] total 30 [2024-04-04 06:35:04,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412766839] [2024-04-04 06:35:04,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:35:04,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-04-04 06:35:04,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:04,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-04-04 06:35:04,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=799, Unknown=0, NotChecked=0, Total=870 [2024-04-04 06:35:04,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:04,605 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:04,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 8.529411764705882) internal successors, (145), 17 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:04,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:04,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:04,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:04,606 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:10,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:10,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-04-04 06:35:11,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:11,021 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 2 more)] === [2024-04-04 06:35:11,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:11,022 INFO L85 PathProgramCache]: Analyzing trace with hash -985301737, now seen corresponding path program 3 times [2024-04-04 06:35:11,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:11,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288061547] [2024-04-04 06:35:11,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:11,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 58 proven. 15 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2024-04-04 06:35:11,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:11,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288061547] [2024-04-04 06:35:11,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288061547] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:35:11,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [981421219] [2024-04-04 06:35:11,361 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 06:35:11,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:11,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:35:11,377 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:35:11,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-04-04 06:35:11,493 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2024-04-04 06:35:11,493 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:35:11,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 34 conjunts are in the unsatisfiable core [2024-04-04 06:35:11,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:35:11,501 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 [2024-04-04 06:35:11,521 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-04 06:35:11,522 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 14 treesize of output 13 [2024-04-04 06:35:11,551 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-04-04 06:35:11,551 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 17 [2024-04-04 06:35:11,970 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-04-04 06:35:11,970 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 15 treesize of output 15 [2024-04-04 06:35:12,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 06:35:12,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-04-04 06:35:12,271 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2024-04-04 06:35:12,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-04-04 06:35:12,478 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2024-04-04 06:35:12,478 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 06:35:12,479 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [981421219] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:35:12,479 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 06:35:12,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [15] total 32 [2024-04-04 06:35:12,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414543957] [2024-04-04 06:35:12,479 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:35:12,480 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-04-04 06:35:12,480 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:12,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-04-04 06:35:12,481 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=915, Unknown=0, NotChecked=0, Total=992 [2024-04-04 06:35:12,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:12,481 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:12,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.631578947368421) internal successors, (145), 19 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:12,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:12,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:12,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:12,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:12,481 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:18,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:18,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:35:18,077 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-04-04 06:35:18,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:18,275 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 2 more)] === [2024-04-04 06:35:18,275 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:18,276 INFO L85 PathProgramCache]: Analyzing trace with hash -536145224, now seen corresponding path program 4 times [2024-04-04 06:35:18,276 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:18,276 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479368736] [2024-04-04 06:35:18,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:18,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:18,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:18,488 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-04-04 06:35:18,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:18,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479368736] [2024-04-04 06:35:18,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [479368736] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:35:18,489 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606859526] [2024-04-04 06:35:18,489 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 06:35:18,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:18,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:35:18,490 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) [2024-04-04 06:35:18,509 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-04-04 06:35:18,617 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 06:35:18,618 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:35:18,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 06:35:18,623 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:35:18,927 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 06:35:18,928 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:35:19,253 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 57 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-04-04 06:35:19,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606859526] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:35:19,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:35:19,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 15, 15] total 36 [2024-04-04 06:35:19,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273593050] [2024-04-04 06:35:19,253 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:35:19,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 36 states [2024-04-04 06:35:19,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:19,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2024-04-04 06:35:19,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=1093, Unknown=0, NotChecked=0, Total=1260 [2024-04-04 06:35:19,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:19,255 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:19,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 36 states, 36 states have (on average 10.13888888888889) internal successors, (365), 36 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:19,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:19,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:35:19,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:35:27,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:35:27,086 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-04-04 06:35:27,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-04-04 06:35:27,284 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 2 more)] === [2024-04-04 06:35:27,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:27,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1146515239, now seen corresponding path program 5 times [2024-04-04 06:35:27,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:27,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925193015] [2024-04-04 06:35:27,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:27,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:27,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:27,648 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 29 proven. 72 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 06:35:27,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:27,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1925193015] [2024-04-04 06:35:27,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1925193015] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:35:27,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [743855328] [2024-04-04 06:35:27,648 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 06:35:27,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:27,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:35:27,649 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:35:27,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-04-04 06:35:27,809 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-04-04 06:35:27,809 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:35:27,811 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 06:35:27,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:35:28,118 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 28 proven. 46 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-04-04 06:35:28,118 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:35:28,314 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 22 proven. 46 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-04-04 06:35:28,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [743855328] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:35:28,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:35:28,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 12] total 30 [2024-04-04 06:35:28,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741385763] [2024-04-04 06:35:28,315 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:35:28,316 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-04-04 06:35:28,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-04-04 06:35:28,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=774, Unknown=0, NotChecked=0, Total=870 [2024-04-04 06:35:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:28,318 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:28,318 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 11.0) internal successors, (330), 30 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:28,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:35:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:35:28,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:58,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:35:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:35:58,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:35:58,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-04-04 06:35:58,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:58,667 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 2 more)] === [2024-04-04 06:35:58,667 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:35:58,667 INFO L85 PathProgramCache]: Analyzing trace with hash -23749384, now seen corresponding path program 6 times [2024-04-04 06:35:58,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:35:58,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997453015] [2024-04-04 06:35:58,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:35:58,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:35:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:35:59,363 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 207 proven. 36 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 06:35:59,363 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:35:59,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997453015] [2024-04-04 06:35:59,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [997453015] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:35:59,363 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363281059] [2024-04-04 06:35:59,363 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-04-04 06:35:59,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:35:59,363 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:35:59,364 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:35:59,366 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-04-04 06:35:59,545 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 1 check-sat command(s) [2024-04-04 06:35:59,545 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:35:59,547 INFO L262 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 14 conjunts are in the unsatisfiable core [2024-04-04 06:35:59,549 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:35:59,849 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 368 trivial. 0 not checked. [2024-04-04 06:35:59,849 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-04-04 06:35:59,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363281059] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 06:35:59,850 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-04-04 06:35:59,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [19] total 25 [2024-04-04 06:35:59,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289237207] [2024-04-04 06:35:59,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 06:35:59,850 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-04-04 06:35:59,850 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:35:59,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-04-04 06:35:59,851 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=534, Unknown=0, NotChecked=0, Total=600 [2024-04-04 06:35:59,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:59,851 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:35:59,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 8 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:35:59,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:36:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:36:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:36:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:36:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:36:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:36:37,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:36:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:36:37,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:36:37,965 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-04-04 06:36:38,165 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-04-04 06:36:38,165 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 2 more)] === [2024-04-04 06:36:38,166 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:36:38,166 INFO L85 PathProgramCache]: Analyzing trace with hash -86741896, now seen corresponding path program 7 times [2024-04-04 06:36:38,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:36:38,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690496766] [2024-04-04 06:36:38,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:36:38,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:36:38,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:36:38,565 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 207 proven. 36 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 06:36:38,565 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:36:38,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [690496766] [2024-04-04 06:36:38,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [690496766] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:36:38,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21027090] [2024-04-04 06:36:38,565 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-04-04 06:36:38,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:36:38,565 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:36:38,566 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:36:38,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-04-04 06:36:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:36:38,992 INFO L262 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 18 conjunts are in the unsatisfiable core [2024-04-04 06:36:38,994 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:36:39,381 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 216 proven. 27 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 06:36:39,381 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:36:39,753 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 216 proven. 27 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2024-04-04 06:36:39,753 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21027090] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:36:39,753 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:36:39,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2024-04-04 06:36:39,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776707334] [2024-04-04 06:36:39,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:36:39,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2024-04-04 06:36:39,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:36:39,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2024-04-04 06:36:39,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=322, Invalid=1570, Unknown=0, NotChecked=0, Total=1892 [2024-04-04 06:36:39,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:36:39,758 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:36:39,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 8.409090909090908) internal successors, (370), 44 states have internal predecessors, (370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:36:39,759 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:37:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:37:19,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:37:19,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:37:19,546 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-04-04 06:37:19,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:37:19,746 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 2 more)] === [2024-04-04 06:37:19,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:37:19,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1422520180, now seen corresponding path program 8 times [2024-04-04 06:37:19,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:37:19,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944400283] [2024-04-04 06:37:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:37:19,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:37:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:37:20,191 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 255 proven. 65 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-04-04 06:37:20,191 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:37:20,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944400283] [2024-04-04 06:37:20,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944400283] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:37:20,191 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764448711] [2024-04-04 06:37:20,191 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 06:37:20,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:37:20,191 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:37:20,193 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:37:20,194 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-04-04 06:37:20,614 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 06:37:20,614 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:37:20,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 549 conjuncts, 22 conjunts are in the unsatisfiable core [2024-04-04 06:37:20,618 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:37:21,127 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 268 proven. 52 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-04-04 06:37:21,128 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:37:21,573 INFO L134 CoverageAnalysis]: Checked inductivity of 393 backedges. 268 proven. 52 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2024-04-04 06:37:21,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764448711] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:37:21,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:37:21,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2024-04-04 06:37:21,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776291972] [2024-04-04 06:37:21,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:37:21,574 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-04-04 06:37:21,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:37:21,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-04-04 06:37:21,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=2399, Unknown=0, NotChecked=0, Total=2862 [2024-04-04 06:37:21,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:37:21,576 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:37:21,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 7.851851851851852) internal successors, (424), 54 states have internal predecessors, (424), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:37:21,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:38:05,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:38:05,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 06:38:05,823 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-04-04 06:38:06,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-04-04 06:38:06,023 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 2 more)] === [2024-04-04 06:38:06,023 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:38:06,024 INFO L85 PathProgramCache]: Analyzing trace with hash -687054688, now seen corresponding path program 9 times [2024-04-04 06:38:06,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:38:06,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183599491] [2024-04-04 06:38:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:38:06,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:38:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:38:06,964 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 276 proven. 102 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-04-04 06:38:06,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:38:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183599491] [2024-04-04 06:38:06,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183599491] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:38:06,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316458695] [2024-04-04 06:38:06,965 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 06:38:06,965 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:38:06,965 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:38:06,967 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:38:06,968 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-04-04 06:38:07,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-04-04 06:38:07,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:38:07,802 INFO L262 TraceCheckSpWp]: Trace formula consists of 563 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 06:38:07,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:38:08,585 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 340 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 06:38:08,585 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:38:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 340 proven. 85 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 06:38:09,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316458695] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:38:09,728 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:38:09,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 31, 31] total 82 [2024-04-04 06:38:09,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25261263] [2024-04-04 06:38:09,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:38:09,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 82 states [2024-04-04 06:38:09,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:38:09,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2024-04-04 06:38:09,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=897, Invalid=5745, Unknown=0, NotChecked=0, Total=6642 [2024-04-04 06:38:09,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:09,731 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:38:09,732 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 82 states, 82 states have (on average 7.426829268292683) internal successors, (609), 82 states have internal predecessors, (609), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 06:38:09,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:38:55,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 06:38:55,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 06:38:55,391 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-04-04 06:38:55,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-04-04 06:38:55,591 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 2 more)] === [2024-04-04 06:38:55,591 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:38:55,591 INFO L85 PathProgramCache]: Analyzing trace with hash -585934628, now seen corresponding path program 10 times [2024-04-04 06:38:55,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:38:55,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338386205] [2024-04-04 06:38:55,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:38:55,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:38:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:38:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 134 proven. 410 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-04-04 06:38:56,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:38:56,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338386205] [2024-04-04 06:38:56,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338386205] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:38:56,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1794247675] [2024-04-04 06:38:56,545 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-04-04 06:38:56,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:38:56,545 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:38:56,546 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:38:56,548 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-04-04 06:38:56,723 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-04-04 06:38:56,723 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:38:56,725 INFO L262 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 32 conjunts are in the unsatisfiable core [2024-04-04 06:38:56,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:38:57,678 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 219 proven. 333 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-04 06:38:57,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:38:58,679 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 276 proven. 276 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-04-04 06:38:58,679 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1794247675] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:38:58,680 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:38:58,680 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33, 33] total 79 [2024-04-04 06:38:58,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659881632] [2024-04-04 06:38:58,680 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:38:58,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2024-04-04 06:38:58,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:38:58,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2024-04-04 06:38:58,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=965, Invalid=5197, Unknown=0, NotChecked=0, Total=6162 [2024-04-04 06:38:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:58,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:38:58,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 7.177215189873418) internal successors, (567), 79 states have internal predecessors, (567), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:38:58,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:38:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:38:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:38:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 06:38:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 06:38:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:42:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:42:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:42:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:42:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:42:32,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:42:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:42:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:42:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:42:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:42:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 06:42:32,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-04-04 06:42:32,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2024-04-04 06:42:32,258 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-04-04 06:42:32,456 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,12 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:42:32,456 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 2 more)] === [2024-04-04 06:42:32,456 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 06:42:32,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1769467987, now seen corresponding path program 11 times [2024-04-04 06:42:32,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 06:42:32,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690737182] [2024-04-04 06:42:32,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 06:42:32,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 06:42:32,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 06:42:33,889 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 420 proven. 297 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 06:42:33,889 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 06:42:33,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690737182] [2024-04-04 06:42:33,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690737182] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 06:42:33,889 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1479866470] [2024-04-04 06:42:33,889 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-04-04 06:42:33,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 06:42:33,889 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 06:42:33,890 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-04-04 06:42:33,892 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-04-04 06:42:34,925 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-04-04 06:42:34,925 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 06:42:34,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 36 conjunts are in the unsatisfiable core [2024-04-04 06:42:34,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 06:42:36,117 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 49 proven. 436 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-04-04 06:42:36,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 06:42:36,791 INFO L134 CoverageAnalysis]: Checked inductivity of 717 backedges. 49 proven. 43 refuted. 0 times theorem prover too weak. 625 trivial. 0 not checked. [2024-04-04 06:42:36,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1479866470] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 06:42:36,791 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 06:42:36,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 8] total 78 [2024-04-04 06:42:36,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143895154] [2024-04-04 06:42:36,794 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 06:42:36,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 78 states [2024-04-04 06:42:36,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 06:42:36,796 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2024-04-04 06:42:36,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=5667, Unknown=0, NotChecked=0, Total=6006 [2024-04-04 06:42:36,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:42:36,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 06:42:36,806 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 78 states, 78 states have (on average 6.948717948717949) internal successors, (542), 78 states have internal predecessors, (542), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 24 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2024-04-04 06:42:36,806 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.