/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking IA --traceabstraction.criterion.for.conditional.commutativity.checking SLEEP_SET -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-05 04:03:02,174 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-05 04:03:02,253 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-05 04:03:02,259 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-05 04:03:02,260 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-05 04:03:02,288 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-05 04:03:02,289 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-05 04:03:02,289 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-05 04:03:02,290 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-05 04:03:02,293 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-05 04:03:02,294 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-05 04:03:02,294 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-05 04:03:02,294 INFO L153 SettingsManager]: * Use SBE=true [2024-05-05 04:03:02,296 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-05 04:03:02,296 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-05 04:03:02,296 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-05 04:03:02,297 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-05 04:03:02,297 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-05 04:03:02,297 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-05 04:03:02,297 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-05 04:03:02,297 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-05 04:03:02,298 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-05 04:03:02,298 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-05 04:03:02,298 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-05 04:03:02,298 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-05 04:03:02,298 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-05 04:03:02,299 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-05 04:03:02,299 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-05 04:03:02,299 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-05 04:03:02,299 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 04:03:02,300 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-05 04:03:02,301 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-05 04:03:02,302 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> IA Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> SLEEP_SET [2024-05-05 04:03:02,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-05 04:03:02,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-05 04:03:02,582 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-05 04:03:02,583 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-05 04:03:02,584 INFO L274 PluginConnector]: CDTParser initialized [2024-05-05 04:03:02,585 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-05 04:03:03,716 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-05 04:03:03,939 INFO L384 CDTParser]: Found 1 translation units. [2024-05-05 04:03:03,940 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-mult-equiv.wvr.c [2024-05-05 04:03:03,947 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ee6da0f7d/1a5c099a45a34e9b933773b9fc8cc431/FLAG5bd4394e1 [2024-05-05 04:03:03,967 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/ee6da0f7d/1a5c099a45a34e9b933773b9fc8cc431 [2024-05-05 04:03:03,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-05 04:03:03,971 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-05 04:03:03,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-05 04:03:03,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-05 04:03:03,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-05 04:03:03,979 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 04:03:03" (1/1) ... [2024-05-05 04:03:03,980 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e0876a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:03, skipping insertion in model container [2024-05-05 04:03:03,980 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.05 04:03:03" (1/1) ... [2024-05-05 04:03:04,005 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-05 04:03:04,165 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-mult-equiv.wvr.c[2591,2604] [2024-05-05 04:03:04,169 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 04:03:04,177 INFO L202 MainTranslator]: Completed pre-run [2024-05-05 04:03:04,219 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-mult-equiv.wvr.c[2591,2604] [2024-05-05 04:03:04,220 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-05 04:03:04,226 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 04:03:04,226 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-05 04:03:04,236 INFO L206 MainTranslator]: Completed translation [2024-05-05 04:03:04,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04 WrapperNode [2024-05-05 04:03:04,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-05 04:03:04,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-05 04:03:04,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-05 04:03:04,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-05 04:03:04,244 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,260 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,283 INFO L138 Inliner]: procedures = 22, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 69 [2024-05-05 04:03:04,283 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-05 04:03:04,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-05 04:03:04,284 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-05 04:03:04,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-05 04:03:04,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,293 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,293 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,305 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,310 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-05 04:03:04,311 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-05 04:03:04,311 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-05 04:03:04,311 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-05 04:03:04,311 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (1/1) ... [2024-05-05 04:03:04,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-05 04:03:04,343 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 04:03:04,356 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-05-05 04:03:04,361 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-05-05 04:03:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-05 04:03:04,404 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-05 04:03:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-05 04:03:04,405 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-05 04:03:04,405 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-05-05 04:03:04,406 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-05 04:03:04,406 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-05 04:03:04,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-05 04:03:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-05 04:03:04,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-05 04:03:04,408 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-05 04:03:04,513 INFO L241 CfgBuilder]: Building ICFG [2024-05-05 04:03:04,515 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-05 04:03:04,704 INFO L282 CfgBuilder]: Performing block encoding [2024-05-05 04:03:04,754 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-05 04:03:04,754 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2024-05-05 04:03:04,757 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 04:03:04 BoogieIcfgContainer [2024-05-05 04:03:04,757 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-05 04:03:04,760 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-05 04:03:04,760 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-05 04:03:04,763 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-05 04:03:04,763 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.05 04:03:03" (1/3) ... [2024-05-05 04:03:04,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e43604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 04:03:04, skipping insertion in model container [2024-05-05 04:03:04,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.05 04:03:04" (2/3) ... [2024-05-05 04:03:04,764 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e43604f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.05 04:03:04, skipping insertion in model container [2024-05-05 04:03:04,764 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.05 04:03:04" (3/3) ... [2024-05-05 04:03:04,765 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-mult-equiv.wvr.c [2024-05-05 04:03:04,773 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-05 04:03:04,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-05 04:03:04,781 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-05 04:03:04,781 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-05 04:03:04,836 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-05-05 04:03:04,873 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-05 04:03:04,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-05 04:03:04,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 04:03:04,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-05-05 04:03:04,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-05-05 04:03:04,910 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-05 04:03:04,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:04,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-05 04:03:04,929 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;@159f7dc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=IA, mConComCheckerCriterion=SLEEP_SET, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-05 04:03:04,929 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-05 04:03:06,180 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 04:03:06,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:06,182 INFO L85 PathProgramCache]: Analyzing trace with hash -1121987728, now seen corresponding path program 1 times [2024-05-05 04:03:06,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 04:03:06,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130072918] [2024-05-05 04:03:06,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:06,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:06,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:03:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-05-05 04:03:06,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 04:03:06,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130072918] [2024-05-05 04:03:06,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130072918] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 04:03:06,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 04:03:06,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-05 04:03:06,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520539049] [2024-05-05 04:03:06,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 04:03:06,478 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-05 04:03:06,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 04:03:06,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-05 04:03:06,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-05 04:03:06,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:06,558 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 04:03:06,559 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.5) internal successors, (75), 2 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 04:03:06,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:06,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:06,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-05 04:03:06,626 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 04:03:06,626 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:06,627 INFO L85 PathProgramCache]: Analyzing trace with hash -1005987980, now seen corresponding path program 1 times [2024-05-05 04:03:06,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 04:03:06,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698035821] [2024-05-05 04:03:06,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:06,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:06,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:03:07,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 04:03:07,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 04:03:07,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698035821] [2024-05-05 04:03:07,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698035821] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 04:03:07,391 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 04:03:07,391 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-05 04:03:07,391 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035824739] [2024-05-05 04:03:07,391 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 04:03:07,393 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-05 04:03:07,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 04:03:07,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-05 04:03:07,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-05-05 04:03:07,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:07,417 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 04:03:07,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 04:03:07,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:07,418 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:07,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:07,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:07,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-05 04:03:07,568 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 04:03:07,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:07,570 INFO L85 PathProgramCache]: Analyzing trace with hash 1498311593, now seen corresponding path program 1 times [2024-05-05 04:03:07,570 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 04:03:07,570 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901088936] [2024-05-05 04:03:07,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:07,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:07,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:03:09,157 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 04:03:09,157 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 04:03:09,157 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901088936] [2024-05-05 04:03:09,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901088936] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 04:03:09,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1024457557] [2024-05-05 04:03:09,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:09,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 04:03:09,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 04:03:09,190 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 04:03:09,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-05 04:03:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:03:09,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 208 conjuncts, 18 conjunts are in the unsatisfiable core [2024-05-05 04:03:09,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 04:03:10,739 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-05 04:03:10,740 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 04:03:12,635 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 04:03:12,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1024457557] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 04:03:12,636 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 04:03:12,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 12, 12] total 33 [2024-05-05 04:03:12,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351789577] [2024-05-05 04:03:12,638 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 04:03:12,639 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-05-05 04:03:12,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 04:03:12,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-05-05 04:03:12,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=162, Invalid=894, Unknown=0, NotChecked=0, Total=1056 [2024-05-05 04:03:12,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:12,669 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 04:03:12,669 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 4.484848484848484) internal successors, (148), 33 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 04:03:12,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:12,669 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:12,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:24,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2024-05-05 04:03:24,202 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-05 04:03:24,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2024-05-05 04:03:24,395 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 04:03:24,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:24,396 INFO L85 PathProgramCache]: Analyzing trace with hash -541022233, now seen corresponding path program 2 times [2024-05-05 04:03:24,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 04:03:24,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613039529] [2024-05-05 04:03:24,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:24,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:24,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:03:29,905 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 161 proven. 57 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-05-05 04:03:29,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 04:03:29,905 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613039529] [2024-05-05 04:03:29,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613039529] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 04:03:29,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371324120] [2024-05-05 04:03:29,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-05 04:03:29,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 04:03:29,906 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 04:03:29,909 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 04:03:29,911 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-05 04:03:30,061 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-05 04:03:30,062 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 04:03:30,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 13 conjunts are in the unsatisfiable core [2024-05-05 04:03:30,070 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 04:03:30,590 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 81 proven. 49 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2024-05-05 04:03:30,591 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 04:03:30,833 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 86 proven. 1 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2024-05-05 04:03:30,834 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371324120] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 04:03:30,834 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 04:03:30,834 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 9, 6] total 46 [2024-05-05 04:03:30,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [467896685] [2024-05-05 04:03:30,834 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 04:03:30,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 46 states [2024-05-05 04:03:30,835 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 04:03:30,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2024-05-05 04:03:30,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=244, Invalid=1826, Unknown=0, NotChecked=0, Total=2070 [2024-05-05 04:03:30,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:30,895 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 04:03:30,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 46 states, 46 states have (on average 4.239130434782608) internal successors, (195), 46 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 04:03:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 84 states. [2024-05-05 04:03:30,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:51,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-05 04:03:51,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2024-05-05 04:03:51,292 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-05 04:03:51,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 04:03:51,486 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 04:03:51,487 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:51,487 INFO L85 PathProgramCache]: Analyzing trace with hash -408171786, now seen corresponding path program 3 times [2024-05-05 04:03:51,487 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 04:03:51,487 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1151454054] [2024-05-05 04:03:51,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:51,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:51,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:03:52,886 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 269 proven. 0 refuted. 0 times theorem prover too weak. 212 trivial. 0 not checked. [2024-05-05 04:03:52,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 04:03:52,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1151454054] [2024-05-05 04:03:52,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1151454054] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-05 04:03:52,887 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-05 04:03:52,887 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-05 04:03:52,887 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595382051] [2024-05-05 04:03:52,887 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-05 04:03:52,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-05 04:03:52,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 04:03:53,084 INFO L85 PathProgramCache]: Analyzing trace with hash 498315602, now seen corresponding path program 1 times [2024-05-05 04:03:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:53,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 04:03:53,144 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 04:03:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 04:03:53,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-05 04:03:53,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-05-05 04:03:53,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:53,298 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 04:03:53,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.5) internal successors, (92), 8 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 04:03:53,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:53,299 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:53,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-05 04:03:53,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 149 states. [2024-05-05 04:03:53,300 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:56,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:03:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:03:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2024-05-05 04:03:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2024-05-05 04:03:56,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-05 04:03:56,513 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable5 [2024-05-05 04:03:56,514 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-05 04:03:56,514 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-05 04:03:56,514 INFO L85 PathProgramCache]: Analyzing trace with hash -181179013, now seen corresponding path program 4 times [2024-05-05 04:03:56,514 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-05 04:03:56,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1266251088] [2024-05-05 04:03:56,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:03:56,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:03:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-05 04:04:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 7 proven. 282 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 04:04:02,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-05 04:04:02,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1266251088] [2024-05-05 04:04:02,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1266251088] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-05 04:04:02,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [19751909] [2024-05-05 04:04:02,414 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-05 04:04:02,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-05 04:04:02,414 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-05 04:04:02,415 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-05 04:04:02,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-05 04:04:02,557 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-05 04:04:02,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-05 04:04:02,559 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 73 conjunts are in the unsatisfiable core [2024-05-05 04:04:02,564 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-05 04:09:30,392 WARN L293 SmtUtils]: Spent 7.90s on a formula simplification that was a NOOP. DAG size: 83 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 04:10:12,997 WARN L293 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 04:11:33,885 WARN L293 SmtUtils]: Spent 7.19s on a formula simplification that was a NOOP. DAG size: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 04:12:07,320 WARN L293 SmtUtils]: Spent 8.06s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-05 04:12:29,508 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 283 refuted. 6 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 04:12:29,508 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-05 04:12:36,850 INFO L134 CoverageAnalysis]: Checked inductivity of 289 backedges. 0 proven. 289 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-05 04:12:36,850 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [19751909] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-05 04:12:36,850 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-05 04:12:36,850 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 49, 48] total 141 [2024-05-05 04:12:36,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753083556] [2024-05-05 04:12:36,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-05 04:12:36,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 141 states [2024-05-05 04:12:36,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-05 04:12:49,466 INFO L85 PathProgramCache]: Analyzing trace with hash 498315602, now seen corresponding path program 2 times [2024-05-05 04:12:49,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-05 04:12:49,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-05 04:12:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 04:12:49,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-05 04:12:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-05 04:12:49,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2024-05-05 04:12:49,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3812, Invalid=16174, Unknown=36, NotChecked=0, Total=20022 [2024-05-05 04:12:49,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:12:49,634 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-05 04:12:49,635 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 141 states, 141 states have (on average 2.368794326241135) internal successors, (334), 141 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-05 04:12:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:12:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-05 04:12:49,635 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 89 states. [2024-05-05 04:12:49,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2024-05-05 04:12:49,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-05 04:12:49,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-05 04:13:48,763 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:14:05,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:14:26,100 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:14:39,029 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:14:40,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:00,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:03,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:05,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:13,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:19,080 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:20,216 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:29,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:49,774 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:54,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:15:58,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:16:02,244 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-05 04:16:37,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2024-05-05 04:17:16,589 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 04:17:16,589 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 04:17:16,589 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-05-05 04:17:17,611 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-05 04:17:17,612 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-05-05 04:17:17,789 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-05-05 04:17:17,799 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 [2024-05-05 04:17:17,800 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6 [2024-05-05 04:17:17,800 WARN L619 AbstractCegarLoop]: Verification canceled: while executing Executor. [2024-05-05 04:17:17,801 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-05 04:17:17,802 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-05 04:17:17,802 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-05 04:17:17,802 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-05 04:17:17,805 INFO L448 BasicCegarLoop]: Path program histogram: [4, 2, 1, 1] [2024-05-05 04:17:17,808 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-05 04:17:17,808 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-05 04:17:17,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.05 04:17:17 BasicIcfg [2024-05-05 04:17:17,811 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-05 04:17:17,811 INFO L158 Benchmark]: Toolchain (without parser) took 853840.08ms. Allocated memory was 163.6MB in the beginning and 739.2MB in the end (delta: 575.7MB). Free memory was 91.3MB in the beginning and 309.0MB in the end (delta: -217.7MB). Peak memory consumption was 358.7MB. Max. memory is 8.0GB. [2024-05-05 04:17:17,812 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-05 04:17:17,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 262.46ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 79.6MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-05 04:17:17,812 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.14ms. Allocated memory is still 163.6MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-05 04:17:17,812 INFO L158 Benchmark]: Boogie Preprocessor took 26.54ms. Allocated memory is still 163.6MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-05 04:17:17,813 INFO L158 Benchmark]: RCFGBuilder took 446.64ms. Allocated memory was 163.6MB in the beginning and 246.4MB in the end (delta: 82.8MB). Free memory was 76.5MB in the beginning and 208.1MB in the end (delta: -131.6MB). Peak memory consumption was 19.7MB. Max. memory is 8.0GB. [2024-05-05 04:17:17,813 INFO L158 Benchmark]: TraceAbstraction took 853050.97ms. Allocated memory was 246.4MB in the beginning and 739.2MB in the end (delta: 492.8MB). Free memory was 207.1MB in the beginning and 309.0MB in the end (delta: -101.9MB). Peak memory consumption was 390.4MB. Max. memory is 8.0GB. [2024-05-05 04:17:17,816 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 163.6MB. Free memory is still 96.1MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 262.46ms. Allocated memory is still 163.6MB. Free memory was 91.1MB in the beginning and 79.6MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 45.14ms. Allocated memory is still 163.6MB. Free memory was 79.6MB in the beginning and 78.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.54ms. Allocated memory is still 163.6MB. Free memory was 78.0MB in the beginning and 76.5MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 446.64ms. Allocated memory was 163.6MB in the beginning and 246.4MB in the end (delta: 82.8MB). Free memory was 76.5MB in the beginning and 208.1MB in the end (delta: -131.6MB). Peak memory consumption was 19.7MB. Max. memory is 8.0GB. * TraceAbstraction took 853050.97ms. Allocated memory was 246.4MB in the beginning and 739.2MB in the end (delta: 492.8MB). Free memory was 207.1MB in the beginning and 309.0MB in the end (delta: -101.9MB). Peak memory consumption was 390.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 13909, independent: 12478, independent conditional: 11849, independent unconditional: 629, dependent: 1381, dependent conditional: 1379, dependent unconditional: 2, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12649, independent: 12478, independent conditional: 11849, independent unconditional: 629, dependent: 121, dependent conditional: 119, dependent unconditional: 2, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12649, independent: 12478, independent conditional: 11849, independent unconditional: 629, dependent: 121, dependent conditional: 119, dependent unconditional: 2, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12649, independent: 12478, independent conditional: 11849, independent unconditional: 629, dependent: 121, dependent conditional: 119, dependent unconditional: 2, unknown: 50, unknown conditional: 50, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13278, independent: 12478, independent conditional: 1840, independent unconditional: 10638, dependent: 628, dependent conditional: 384, dependent unconditional: 244, unknown: 172, unknown conditional: 78, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13278, independent: 12478, independent conditional: 1678, independent unconditional: 10800, dependent: 628, dependent conditional: 240, dependent unconditional: 388, unknown: 172, unknown conditional: 19, unknown unconditional: 153] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13278, independent: 12478, independent conditional: 1678, independent unconditional: 10800, dependent: 628, dependent conditional: 240, dependent unconditional: 388, unknown: 172, unknown conditional: 19, unknown unconditional: 153] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 472, independent: 413, independent conditional: 3, independent unconditional: 410, dependent: 54, dependent conditional: 49, dependent unconditional: 5, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 472, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 49, dependent unconditional: 5, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 49, dependent unconditional: 5, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6686, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1612, dependent conditional: 1500, dependent unconditional: 112, unknown: 5074, unknown conditional: 4060, unknown unconditional: 1015] , Protected Queries: 0 ], Cache Queries: [ total: 13278, independent: 12065, independent conditional: 1675, independent unconditional: 10390, dependent: 574, dependent conditional: 191, dependent unconditional: 383, unknown: 639, unknown conditional: 71, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 467, Positive cache size: 413, Positive conditional cache size: 3, Positive unconditional cache size: 410, Negative cache size: 54, Negative conditional cache size: 49, Negative unconditional cache size: 5, Unknown cache size: 5, Unknown conditional cache size: 4, Unknown unconditional cache size: 1, Eliminated conditions: 365, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 13278, independent: 12478, independent conditional: 1840, independent unconditional: 10638, dependent: 628, dependent conditional: 384, dependent unconditional: 244, unknown: 172, unknown conditional: 78, unknown unconditional: 94] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 13278, independent: 12478, independent conditional: 1678, independent unconditional: 10800, dependent: 628, dependent conditional: 240, dependent unconditional: 388, unknown: 172, unknown conditional: 19, unknown unconditional: 153] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 13278, independent: 12478, independent conditional: 1678, independent unconditional: 10800, dependent: 628, dependent conditional: 240, dependent unconditional: 388, unknown: 172, unknown conditional: 19, unknown unconditional: 153] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 472, independent: 413, independent conditional: 3, independent unconditional: 410, dependent: 54, dependent conditional: 49, dependent unconditional: 5, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 472, independent: 413, independent conditional: 0, independent unconditional: 413, dependent: 59, dependent conditional: 0, dependent unconditional: 59, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 49, dependent unconditional: 5, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 59, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 54, dependent conditional: 49, dependent unconditional: 5, unknown: 5, unknown conditional: 4, unknown unconditional: 1] , SemanticIndependenceRelation.Query Time [ms]: [ total: 6686, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1612, dependent conditional: 1500, dependent unconditional: 112, unknown: 5074, unknown conditional: 4060, unknown unconditional: 1015] , Protected Queries: 0 ], Cache Queries: [ total: 13278, independent: 12065, independent conditional: 1675, independent unconditional: 10390, dependent: 574, dependent conditional: 191, dependent unconditional: 383, unknown: 639, unknown conditional: 71, unknown unconditional: 568] , Statistics on independence cache: Total cache size (in pairs): 467, Positive cache size: 413, Positive conditional cache size: 3, Positive unconditional cache size: 410, Negative cache size: 54, Negative conditional cache size: 49, Negative unconditional cache size: 5, Unknown cache size: 5, Unknown conditional cache size: 4, Unknown unconditional cache size: 1, Eliminated conditions: 365 ], Independence queries for same thread: 1260 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while executing Executor. - TimeoutResultAtElement [Line: 98]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 111 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 852.9s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 4, EmptinessCheckTime: 304.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 367, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 532.6s InterpolantComputationTime, 1006 NumberOfCodeBlocks, 1006 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1344 ConstructedInterpolants, 0 QuantifiedInterpolants, 18831 SizeOfPredicates, 38 NumberOfNonLiveVariables, 781 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1169/2173 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConditionalCommutativityCheckTime: 13.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 2, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown