/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 DEFAULT -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-3774817-m [2024-04-04 03:23:14,434 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-04-04 03:23:14,481 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-04-04 03:23:14,484 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-04-04 03:23:14,485 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-04-04 03:23:14,502 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-04-04 03:23:14,502 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-04-04 03:23:14,503 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-04-04 03:23:14,503 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-04-04 03:23:14,503 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-04-04 03:23:14,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-04-04 03:23:14,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-04-04 03:23:14,504 INFO L153 SettingsManager]: * Use SBE=true [2024-04-04 03:23:14,508 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-04-04 03:23:14,508 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-04-04 03:23:14,508 INFO L153 SettingsManager]: * sizeof long=4 [2024-04-04 03:23:14,509 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-04-04 03:23:14,510 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-04-04 03:23:14,510 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-04-04 03:23:14,510 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-04-04 03:23:14,510 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-04-04 03:23:14,511 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-04-04 03:23:14,511 INFO L153 SettingsManager]: * sizeof long double=12 [2024-04-04 03:23:14,512 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-04-04 03:23:14,512 INFO L153 SettingsManager]: * Use constant arrays=true [2024-04-04 03:23:14,513 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-04-04 03:23:14,513 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-04-04 03:23:14,513 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-04-04 03:23:14,513 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-04-04 03:23:14,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 03:23:14,515 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-04-04 03:23:14,515 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-04-04 03:23:14,515 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-04-04 03:23:14,515 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-04-04 03:23:14,515 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-04-04 03:23:14,515 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-04-04 03:23:14,515 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-04-04 03:23:14,516 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-04-04 03:23:14,516 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-04-04 03:23:14,516 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT [2024-04-04 03:23:14,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-04-04 03:23:14,803 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-04-04 03:23:14,805 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-04-04 03:23:14,806 INFO L270 PluginConnector]: Initializing CDTParser... [2024-04-04 03:23:14,807 INFO L274 PluginConnector]: CDTParser initialized [2024-04-04 03:23:14,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-04-04 03:23:15,901 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-04-04 03:23:16,068 INFO L384 CDTParser]: Found 1 translation units. [2024-04-04 03:23:16,069 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-04-04 03:23:16,074 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/53d9a3339/800c1b6a363d48cf9471993c5a67aab7/FLAG855e7f2cd [2024-04-04 03:23:16,085 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/53d9a3339/800c1b6a363d48cf9471993c5a67aab7 [2024-04-04 03:23:16,086 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-04-04 03:23:16,087 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-04-04 03:23:16,088 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-04-04 03:23:16,088 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-04-04 03:23:16,094 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-04-04 03:23:16,095 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@338f2134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16, skipping insertion in model container [2024-04-04 03:23:16,096 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,112 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-04-04 03:23:16,278 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-04-04 03:23:16,282 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 03:23:16,291 INFO L202 MainTranslator]: Completed pre-run [2024-04-04 03:23:16,318 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c[2147,2160] [2024-04-04 03:23:16,325 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-04-04 03:23:16,332 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 03:23:16,333 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-04-04 03:23:16,339 INFO L206 MainTranslator]: Completed translation [2024-04-04 03:23:16,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16 WrapperNode [2024-04-04 03:23:16,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-04-04 03:23:16,343 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-04-04 03:23:16,343 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-04-04 03:23:16,344 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-04-04 03:23:16,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,358 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,379 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-04-04 03:23:16,380 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-04-04 03:23:16,381 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-04-04 03:23:16,381 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-04-04 03:23:16,381 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-04-04 03:23:16,389 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,389 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,400 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,400 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,410 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,412 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,447 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-04-04 03:23:16,448 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-04-04 03:23:16,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-04-04 03:23:16,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-04-04 03:23:16,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (1/1) ... [2024-04-04 03:23:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-04-04 03:23:16,464 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:23:16,479 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 03:23:16,504 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 03:23:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-04-04 03:23:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-04-04 03:23:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-04-04 03:23:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-04-04 03:23:16,537 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-04-04 03:23:16,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-04-04 03:23:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-04-04 03:23:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-04-04 03:23:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-04-04 03:23:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-04-04 03:23:16,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-04-04 03:23:16,539 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-04-04 03:23:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-04-04 03:23:16,540 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-04-04 03:23:16,541 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 03:23:16,631 INFO L241 CfgBuilder]: Building ICFG [2024-04-04 03:23:16,633 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-04-04 03:23:16,781 INFO L282 CfgBuilder]: Performing block encoding [2024-04-04 03:23:16,820 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-04-04 03:23:16,820 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-04-04 03:23:16,821 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 03:23:16 BoogieIcfgContainer [2024-04-04 03:23:16,821 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-04-04 03:23:16,824 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-04-04 03:23:16,824 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-04-04 03:23:16,827 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-04-04 03:23:16,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.04 03:23:16" (1/3) ... [2024-04-04 03:23:16,827 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631f73ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 03:23:16, skipping insertion in model container [2024-04-04 03:23:16,827 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.04 03:23:16" (2/3) ... [2024-04-04 03:23:16,828 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@631f73ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.04 03:23:16, skipping insertion in model container [2024-04-04 03:23:16,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.04 03:23:16" (3/3) ... [2024-04-04 03:23:16,829 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-04-04 03:23:16,836 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-04-04 03:23:16,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-04-04 03:23:16,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-04-04 03:23:16,843 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-04-04 03:23:16,901 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-04-04 03:23:16,943 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-04-04 03:23:16,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-04-04 03:23:16,943 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:23:16,946 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 03:23:16,951 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 03:23:17,000 INFO L184 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-04-04 03:23:17,014 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:23:17,017 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-04-04 03:23:17,026 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;@684958d0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=DEFAULT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123 [2024-04-04 03:23:17,026 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-04-04 03:23:17,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 03:23:17,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:23:17,364 INFO L85 PathProgramCache]: Analyzing trace with hash -1170405292, now seen corresponding path program 1 times [2024-04-04 03:23:17,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:23:17,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [894032809] [2024-04-04 03:23:17,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:23:17,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:23:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:23:17,587 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-04-04 03:23:17,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:23:17,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [894032809] [2024-04-04 03:23:17,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [894032809] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 03:23:17,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 03:23:17,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-04-04 03:23:17,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [833546897] [2024-04-04 03:23:17,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 03:23:17,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-04-04 03:23:17,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:23:17,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-04-04 03:23:17,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-04-04 03:23:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:17,630 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:23:17,655 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.0) internal successors, (66), 2 states have internal predecessors, (66), 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 03:23:17,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:17,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:17,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-04-04 03:23:17,787 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 03:23:17,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:23:17,788 INFO L85 PathProgramCache]: Analyzing trace with hash -2044128722, now seen corresponding path program 1 times [2024-04-04 03:23:17,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:23:17,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204459891] [2024-04-04 03:23:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:23:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:23:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:23:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:18,116 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:23:18,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204459891] [2024-04-04 03:23:18,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204459891] provided 1 perfect and 0 imperfect interpolant sequences [2024-04-04 03:23:18,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-04-04 03:23:18,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-04-04 03:23:18,117 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1980571123] [2024-04-04 03:23:18,117 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-04-04 03:23:18,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-04-04 03:23:18,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:23:18,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-04-04 03:23:18,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-04-04 03:23:18,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:18,122 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:23:18,123 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.666666666666666) internal successors, (64), 6 states have internal predecessors, (64), 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 03:23:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:18,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:18,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 03:23:18,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-04-04 03:23:18,303 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 03:23:18,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:23:18,303 INFO L85 PathProgramCache]: Analyzing trace with hash 849842810, now seen corresponding path program 1 times [2024-04-04 03:23:18,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:23:18,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170810466] [2024-04-04 03:23:18,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:23:18,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:23:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:23:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:18,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:23:18,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170810466] [2024-04-04 03:23:18,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170810466] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:23:18,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1822648471] [2024-04-04 03:23:18,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:23:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:23:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:23:18,914 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 03:23:18,920 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 03:23:19,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:23:19,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2024-04-04 03:23:19,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:23:19,261 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:19,261 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:23:19,663 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:19,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1822648471] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:23:19,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:23:19,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 20 [2024-04-04 03:23:19,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [718299978] [2024-04-04 03:23:19,664 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:23:19,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-04-04 03:23:19,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:23:19,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-04-04 03:23:19,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-04-04 03:23:19,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:19,672 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:23:19,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 5.4) internal successors, (108), 20 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-04-04 03:23:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 03:23:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:20,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 03:23:20,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 03:23:20,479 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 03:23:20,670 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 03:23:20,671 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 03:23:20,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:23:20,671 INFO L85 PathProgramCache]: Analyzing trace with hash -470519814, now seen corresponding path program 2 times [2024-04-04 03:23:20,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:23:20,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261142706] [2024-04-04 03:23:20,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:23:20,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:23:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:23:21,932 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:21,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:23:21,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261142706] [2024-04-04 03:23:21,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1261142706] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:23:21,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739240354] [2024-04-04 03:23:21,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-04-04 03:23:21,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:23:21,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:23:21,945 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 03:23:21,960 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 03:23:22,029 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-04-04 03:23:22,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:23:22,044 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 30 conjunts are in the unsatisfiable core [2024-04-04 03:23:22,047 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:23:23,170 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:23,170 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:23:32,560 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:23:32,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739240354] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:23:32,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:23:32,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19, 20] total 52 [2024-04-04 03:23:32,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [838847573] [2024-04-04 03:23:32,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:23:32,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-04-04 03:23:32,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:23:32,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-04-04 03:23:32,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=428, Invalid=2224, Unknown=0, NotChecked=0, Total=2652 [2024-04-04 03:23:32,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:32,566 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:23:32,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.519230769230769) internal successors, (183), 52 states have internal predecessors, (183), 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 03:23:32,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:23:32,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 03:23:32,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 03:23:32,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:24:06,110 WARN L293 SmtUtils]: Spent 5.51s on a formula simplification. DAG size of input: 115 DAG size of output: 103 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 03:24:08,752 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 [] [2024-04-04 03:24:16,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:24:24,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:24:26,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:24:47,585 WARN L293 SmtUtils]: Spent 16.65s on a formula simplification. DAG size of input: 108 DAG size of output: 86 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 03:25:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:25:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-04-04 03:25:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-04-04 03:25:00,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2024-04-04 03:25:00,127 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 03:25:00,319 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 03:25:00,319 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-04-04 03:25:00,319 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-04-04 03:25:00,320 INFO L85 PathProgramCache]: Analyzing trace with hash 884804186, now seen corresponding path program 3 times [2024-04-04 03:25:00,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-04-04 03:25:00,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544699186] [2024-04-04 03:25:00,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-04-04 03:25:00,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-04-04 03:25:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-04-04 03:25:05,598 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 46 proven. 238 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-04-04 03:25:05,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-04-04 03:25:05,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544699186] [2024-04-04 03:25:05,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544699186] provided 0 perfect and 1 imperfect interpolant sequences [2024-04-04 03:25:05,599 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1884439564] [2024-04-04 03:25:05,599 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-04-04 03:25:05,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-04-04 03:25:05,599 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-04-04 03:25:05,600 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 03:25:05,608 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 03:25:06,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-04-04 03:25:06,874 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-04-04 03:25:06,878 INFO L262 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 62 conjunts are in the unsatisfiable core [2024-04-04 03:25:06,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-04-04 03:25:25,920 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 88 proven. 189 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 03:25:25,920 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-04-04 03:27:24,753 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 88 proven. 178 refuted. 11 times theorem prover too weak. 7 trivial. 0 not checked. [2024-04-04 03:27:24,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1884439564] provided 0 perfect and 2 imperfect interpolant sequences [2024-04-04 03:27:24,754 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-04-04 03:27:24,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 38, 38] total 104 [2024-04-04 03:27:24,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554367686] [2024-04-04 03:27:24,755 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-04-04 03:27:24,755 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 104 states [2024-04-04 03:27:24,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-04-04 03:27:24,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2024-04-04 03:27:24,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1530, Invalid=9165, Unknown=17, NotChecked=0, Total=10712 [2024-04-04 03:27:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:27:24,760 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-04-04 03:27:24,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 104 states, 104 states have (on average 2.5288461538461537) internal successors, (263), 104 states have internal predecessors, (263), 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 03:27:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:27:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-04-04 03:27:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-04-04 03:27:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2024-04-04 03:27:24,761 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-04-04 03:28:12,912 WARN L293 SmtUtils]: Spent 25.46s on a formula simplification. DAG size of input: 168 DAG size of output: 142 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 03:28:15,183 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 [] [2024-04-04 03:28:17,228 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:19,372 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:20,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:22,151 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:23,714 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:26,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:28,477 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:30,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:32,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:28:55,159 WARN L293 SmtUtils]: Spent 5.26s on a formula simplification. DAG size of input: 167 DAG size of output: 121 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 03:28:57,400 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse89 (+ c_thread2Thread1of1ForFork1_~i~1 3)) (.cse14 (mod c_~M~0 4294967296)) (.cse109 (+ c_thread2Thread1of1ForFork1_~i~1 6)) (.cse108 (+ c_thread2Thread1of1ForFork1_~i~1 4)) (.cse106 (+ 5 c_thread2Thread1of1ForFork1_~i~1))) (let ((.cse35 (mod .cse106 4294967296)) (.cse77 (mod .cse108 4294967296)) (.cse103 (mod (+ 6 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse104 (mod (+ 3 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse87 (* (- 1) c_thread2Thread1of1ForFork1_~i~1)) (.cse20 (mod .cse109 4294967296)) (.cse107 (mod (+ c_thread1Thread1of1ForFork0_~i~0 4) 4294967296)) (.cse105 (mod (+ 5 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse101 (+ 7 c_thread2Thread1of1ForFork1_~i~1)) (.cse95 (mod (+ 2 c_thread1Thread1of1ForFork0_~i~0) 4294967296)) (.cse93 (mod (+ c_thread1Thread1of1ForFork0_~i~0 1) 4294967296)) (.cse42 (+ .cse14 (* (div c_thread2Thread1of1ForFork1_~i~1 4294967296) 4294967296))) (.cse110 (+ c_thread2Thread1of1ForFork1_~i~1 1)) (.cse112 (mod c_~counter~0 4294967296)) (.cse111 (+ 2 c_thread2Thread1of1ForFork1_~i~1)) (.cse94 (mod (+ c_~C~0 c_~counter~0) 4294967296)) (.cse102 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 3) 4294967296)) (.cse113 (* (- 1) .cse14)) (.cse88 (* 4294967296 (div .cse89 4294967296)))) (let ((.cse63 (< (+ .cse14 .cse88) .cse108)) (.cse64 (< (+ 4294967292 (* (div (+ .cse113 c_thread2Thread1of1ForFork1_~i~1 4) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse97 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 1) 4294967296)) (.cse78 (+ .cse102 1)) (.cse98 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 4) 4294967296)) (.cse2 (< .cse94 1)) (.cse61 (< (+ .cse14 (* 4294967296 (div .cse111 4294967296))) .cse89)) (.cse62 (< (+ (* (div (+ .cse113 c_thread2Thread1of1ForFork1_~i~1 3) 4294967296) 4294967296) 4294967293) c_thread2Thread1of1ForFork1_~i~1)) (.cse92 (mod c_thread1Thread1of1ForFork0_~i~0 4294967296)) (.cse22 (< 0 .cse112)) (.cse4 (mod c_~C~0 4294967296)) (.cse6 (< .cse42 .cse110)) (.cse7 (< (+ 4294967295 (* (div (+ .cse113 c_thread2Thread1of1ForFork1_~i~1 1) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse1 (< (+ 4294967294 (* (div (+ .cse113 2 c_thread2Thread1of1ForFork1_~i~1) 4294967296) 4294967296)) c_thread2Thread1of1ForFork1_~i~1)) (.cse43 (< .cse112 1)) (.cse3 (< (+ .cse14 (* (div .cse110 4294967296) 4294967296)) .cse111)) (.cse68 (+ 4294967297 .cse93)) (.cse67 (+ .cse95 1)) (.cse51 (mod .cse101 4294967296)) (.cse96 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 5) 4294967296)) (.cse100 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 6) 4294967296)) (.cse99 (mod (+ |c_thread1Thread1of1ForFork0_#t~post1| 2) 4294967296)) (.cse55 (+ 4294967297 .cse105)) (.cse53 (+ .cse107 1)) (.cse18 (+ (* (div (+ 8589934586 .cse87) 4294967296) 4294967296) (* (div .cse109 4294967296) 4294967296) .cse20)) (.cse56 (+ .cse104 4294967297)) (.cse52 (+ .cse103 1)) (.cse75 (+ (* (div (+ 8589934588 .cse87) 4294967296) 4294967296) (* (div .cse108 4294967296) 4294967296) .cse77)) (.cse86 (+ .cse104 1)) (.cse69 (+ 4294967297 .cse107)) (.cse38 (+ (* (div (+ .cse87 8589934587) 4294967296) 4294967296) .cse35 (* 4294967296 (div .cse106 4294967296)))) (.cse91 (+ .cse95 4294967297)) (.cse70 (+ .cse105 1))) (let ((.cse16 (< c_thread2Thread1of1ForFork1_~i~1 (+ .cse14 (* 4294967296 (div (+ c_thread2Thread1of1ForFork1_~i~1 (- 4294967295)) 4294967296)) 4294967295))) (.cse9 (< .cse35 .cse70)) (.cse10 (< .cse38 .cse91)) (.cse11 (< .cse38 .cse69)) (.cse12 (< .cse35 .cse86)) (.cse25 (< .cse75 .cse91)) (.cse27 (< .cse77 .cse70)) (.cse28 (< .cse75 .cse69)) (.cse29 (< .cse77 .cse86)) (.cse30 (< .cse20 .cse52)) (.cse32 (< .cse18 .cse56)) (.cse33 (< .cse20 .cse53)) (.cse34 (< .cse18 .cse55)) (.cse59 (< .cse14 .cse53)) (.cse21 (+ (mod (+ 7 c_thread1Thread1of1ForFork0_~i~0) 4294967296) 1)) (.cse23 (< 4294967294 .cse104)) (.cse19 (+ .cse103 4294967297)) (.cse41 (+ .cse102 4294967297)) (.cse37 (< 4294967294 .cse99)) (.cse36 (+ .cse100 1)) (.cse39 (+ 4294967297 .cse96)) (.cse82 (< 4294967294 .cse102)) (.cse54 (+ (* (div .cse101 4294967296) 4294967296) .cse51 (* (div (+ .cse87 8589934585) 4294967296) 4294967296))) (.cse83 (+ 4294967297 .cse100)) (.cse84 (+ (mod (+ 7 |c_thread1Thread1of1ForFork0_#t~post1|) 4294967296) 1)) (.cse45 (< .cse75 .cse56)) (.cse47 (< .cse77 .cse53)) (.cse48 (< .cse77 .cse67)) (.cse49 (< .cse75 .cse68)) (.cse60 (and (or .cse22 (< (+ (* 4294967296 (div (+ (- 1) c_~counter~0 .cse4) 4294967296)) 4294967295) (+ c_~counter~0 .cse4)) .cse6 .cse7) (or .cse1 .cse43 .cse3))) (.cse46 (< 4294967294 .cse92)) (.cse50 (and (or .cse1 .cse22 .cse2 .cse3) (or .cse61 .cse43 .cse62))) (.cse40 (+ .cse98 1)) (.cse90 (< .cse14 .cse78)) (.cse73 (< .cse14 (+ .cse97 1))) (.cse74 (< .cse14 (+ .cse99 1))) (.cse57 (< .cse14 .cse86)) (.cse0 (< .cse14 .cse67)) (.cse58 (and (or .cse63 .cse43 .cse64) (or .cse61 .cse22 .cse2 .cse62))) (.cse8 (< .cse14 (+ .cse93 1))) (.cse76 (+ .cse99 4294967297)) (.cse79 (+ .cse98 4294967297)) (.cse80 (< 4294967294 .cse97)) (.cse81 (+ .cse96 1)) (.cse71 (< .cse35 .cse52)) (.cse65 (< .cse38 .cse56)) (.cse26 (< (mod (+ c_~counter~0 (* c_~C~0 2)) 4294967296) 1)) (.cse31 (< 4294967294 .cse95)) (.cse5 (< 0 .cse94)) (.cse72 (< .cse38 .cse55)) (.cse66 (< .cse35 .cse53)) (.cse17 (< .cse18 .cse69)) (.cse24 (< .cse20 .cse70)) (.cse13 (< 4294967294 .cse93)) (.cse44 (< .cse14 (+ .cse92 1))) (.cse15 (mod c_thread2Thread1of1ForFork1_~i~1 4294967296))) (and (or .cse0 (and (or .cse1 .cse2 .cse3) (or (< (+ 4294967295 (* (div (+ (- 1) c_~C~0 c_~counter~0 .cse4) 4294967296) 4294967296)) (+ c_~C~0 c_~counter~0 .cse4)) .cse5 .cse6 .cse7)) .cse8) (or .cse9 .cse10 .cse11 .cse2 .cse12 .cse13) (or (< .cse14 (+ .cse15 1)) .cse8 .cse2 .cse16) (or .cse17 (< .cse18 .cse19) (< .cse20 .cse21) .cse22 .cse23 .cse2 .cse24) (or .cse25 .cse26 .cse27 .cse28 .cse5 .cse29 .cse13) (or .cse30 .cse31 .cse22 .cse2 .cse32 .cse33 .cse34) (or (< .cse35 .cse36) .cse22 .cse37 .cse2 (< .cse38 .cse39) (< .cse35 .cse40) (< .cse38 .cse41)) (or (and (or .cse22 (< c_thread2Thread1of1ForFork1_~i~1 .cse42)) (or .cse43 .cse16)) .cse44) (or .cse9 .cse10 .cse11 .cse43 .cse12 .cse13) (or .cse9 .cse10 .cse22 .cse11 .cse2 .cse12 .cse13) (or .cse30 .cse31 .cse2 .cse32 .cse33 .cse34) (or .cse45 .cse22 .cse46 .cse2 .cse47 .cse48 .cse49) (or .cse0 .cse50 .cse8 .cse44) (or (< .cse51 .cse52) (< .cse51 .cse53) .cse31 .cse43 (< .cse54 .cse55) (< .cse54 .cse56)) (or .cse25 .cse27 .cse28 .cse22 .cse2 .cse29 .cse13) (or .cse57 .cse0 .cse58 .cse8 .cse59) (or .cse57 .cse0 .cse50 .cse8) (or .cse30 .cse31 .cse43 .cse32 .cse33 .cse34) (or .cse0 .cse60 .cse8) (or .cse57 .cse0 (and (or .cse1 .cse26 .cse5 .cse3) (or .cse61 .cse2 .cse62)) .cse8) (or .cse57 .cse0 .cse8 (and (or .cse61 .cse26 .cse5 .cse62) (or .cse63 .cse2 .cse64)) .cse59) (or .cse65 .cse46 .cse43 .cse66 (< .cse35 .cse67) (< .cse38 .cse68)) (or (< .cse51 .cse21) .cse23 (< .cse54 .cse69) .cse43 (< .cse51 .cse70) (< .cse54 .cse19)) (or .cse71 .cse65 .cse31 .cse22 .cse2 .cse72 .cse66) (or (< .cse20 .cse40) (< .cse18 .cse41) .cse37 (< .cse20 .cse36) (< .cse18 .cse39) .cse43) (or .cse73 .cse60 .cse74) (or (< .cse75 .cse76) (< .cse77 .cse78) .cse22 (< .cse75 .cse79) .cse2 .cse80 (< .cse77 .cse81)) (or (< .cse18 .cse79) (< .cse20 .cse81) .cse22 .cse82 .cse2 (< .cse18 .cse83) (< .cse20 .cse84)) (or (< .cse54 .cse79) .cse82 .cse43 (< .cse54 .cse83) (< .cse51 .cse81) (< .cse51 .cse84)) (or .cse45 .cse46 .cse2 .cse47 .cse48 .cse49) (or .cse60 .cse8 .cse44) (let ((.cse85 (mod .cse89 4294967296))) (or (< .cse85 .cse53) (< .cse85 .cse67) .cse26 .cse46 .cse5 (< .cse85 .cse86) (< (+ (* 4294967296 (div (+ 8589934589 .cse87) 4294967296)) .cse85 .cse88) .cse68))) (or .cse90 .cse73 .cse50 .cse74) (or (< .cse14 .cse40) .cse90 .cse73 .cse58 .cse74) (= c_~counter~0 0) (or .cse57 .cse0 .cse58 .cse8 .cse44) (or (< .cse38 .cse76) (< .cse35 .cse78) (< .cse38 .cse79) .cse43 .cse80 (< .cse35 .cse81)) (or .cse71 .cse65 .cse26 .cse31 .cse5 .cse72 .cse66) (or .cse17 .cse43 (< .cse20 .cse86) (< .cse18 .cse91) .cse24 .cse13) (or .cse44 (< .cse15 .cse14))))))) is different from false [2024-04-04 03:29:20,512 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 [] [2024-04-04 03:29:23,922 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:29:26,370 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:29:34,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:29:36,374 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:29:41,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:30:01,170 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-04-04 03:30:44,584 WARN L293 SmtUtils]: Spent 12.92s on a formula simplification. DAG size of input: 380 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 03:30:57,566 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification. DAG size of input: 292 DAG size of output: 62 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-04-04 03:31:14,744 WARN L293 SmtUtils]: Spent 6.11s on a formula simplification. DAG size of input: 298 DAG size of output: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-04-04 03:37:40,913 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 03:37:40,913 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2024-04-04 03:37:40,933 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 [2024-04-04 03:37:41,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2024-04-04 03:37:41,945 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-04-04 03:37:42,114 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2024-04-04 03:37:42,124 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 [2024-04-04 03:37:42,125 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-04-04 03:37:42,125 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while executing Executor. [2024-04-04 03:37:42,127 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-04-04 03:37:42,127 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-04-04 03:37:42,127 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-04-04 03:37:42,130 INFO L445 BasicCegarLoop]: Path program histogram: [3, 1, 1] [2024-04-04 03:37:42,132 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-04-04 03:37:42,132 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-04-04 03:37:42,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.04 03:37:42 BasicIcfg [2024-04-04 03:37:42,134 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-04-04 03:37:42,135 INFO L158 Benchmark]: Toolchain (without parser) took 866047.65ms. Allocated memory was 159.4MB in the beginning and 442.5MB in the end (delta: 283.1MB). Free memory was 90.9MB in the beginning and 338.2MB in the end (delta: -247.3MB). Peak memory consumption was 235.6MB. Max. memory is 8.0GB. [2024-04-04 03:37:42,135 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 159.4MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 8.0GB. [2024-04-04 03:37:42,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.98ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 79.5MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-04-04 03:37:42,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.23ms. Allocated memory is still 159.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-04-04 03:37:42,136 INFO L158 Benchmark]: Boogie Preprocessor took 66.47ms. Allocated memory was 159.4MB in the beginning and 235.9MB in the end (delta: 76.5MB). Free memory was 78.0MB in the beginning and 207.6MB in the end (delta: -129.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. [2024-04-04 03:37:42,136 INFO L158 Benchmark]: RCFGBuilder took 373.10ms. Allocated memory is still 235.9MB. Free memory was 207.6MB in the beginning and 192.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. [2024-04-04 03:37:42,136 INFO L158 Benchmark]: TraceAbstraction took 865310.55ms. Allocated memory was 235.9MB in the beginning and 442.5MB in the end (delta: 206.6MB). Free memory was 190.8MB in the beginning and 338.2MB in the end (delta: -147.4MB). Peak memory consumption was 258.4MB. Max. memory is 8.0GB. [2024-04-04 03:37:42,140 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 159.4MB. Free memory is still 97.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 253.98ms. Allocated memory is still 159.4MB. Free memory was 90.6MB in the beginning and 79.5MB in the end (delta: 11.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 37.23ms. Allocated memory is still 159.4MB. Free memory was 79.5MB in the beginning and 78.0MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 66.47ms. Allocated memory was 159.4MB in the beginning and 235.9MB in the end (delta: 76.5MB). Free memory was 78.0MB in the beginning and 207.6MB in the end (delta: -129.6MB). Peak memory consumption was 8.6MB. Max. memory is 8.0GB. * RCFGBuilder took 373.10ms. Allocated memory is still 235.9MB. Free memory was 207.6MB in the beginning and 192.4MB in the end (delta: 15.2MB). Peak memory consumption was 15.7MB. Max. memory is 8.0GB. * TraceAbstraction took 865310.55ms. Allocated memory was 235.9MB in the beginning and 442.5MB in the end (delta: 206.6MB). Free memory was 190.8MB in the beginning and 338.2MB in the end (delta: -147.4MB). Peak memory consumption was 258.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3127, independent: 2283, independent conditional: 2052, independent unconditional: 231, dependent: 844, dependent conditional: 702, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2289, independent: 2283, independent conditional: 2052, independent unconditional: 231, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2289, independent: 2283, independent conditional: 2052, independent unconditional: 231, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2289, independent: 2283, independent conditional: 2052, independent unconditional: 231, dependent: 6, dependent conditional: 6, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2299, independent: 2283, independent conditional: 402, independent unconditional: 1881, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2299, independent: 2283, independent conditional: 392, independent unconditional: 1891, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2299, independent: 2283, independent conditional: 392, independent unconditional: 1891, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2299, independent: 2164, independent conditional: 392, independent unconditional: 1772, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 120, unknown conditional: 0, unknown unconditional: 120] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2299, independent: 2283, independent conditional: 402, independent unconditional: 1881, dependent: 16, dependent conditional: 4, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2299, independent: 2283, independent conditional: 392, independent unconditional: 1891, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2299, independent: 2283, independent conditional: 392, independent unconditional: 1891, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 119, independent conditional: 0, independent unconditional: 119, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 1, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 1, dependent conditional: 0, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 41, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 41, dependent conditional: 0, dependent unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2299, independent: 2164, independent conditional: 392, independent unconditional: 1772, dependent: 15, dependent conditional: 0, dependent unconditional: 15, unknown: 120, unknown conditional: 0, unknown unconditional: 120] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 119, Positive conditional cache size: 0, Positive unconditional cache size: 119, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 14 ], Independence queries for same thread: 838 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 72]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - TimeoutResultAtElement [Line: 73]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message) Cancelled while PredicateUnifier was unifying predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 96 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 865.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 706.4s, 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: 199, 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, 1.6s SatisfiabilityAnalysisTime, 156.2s InterpolantComputationTime, 688 NumberOfCodeBlocks, 688 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 956 ConstructedInterpolants, 1 QuantifiedInterpolants, 18763 SizeOfPredicates, 51 NumberOfNonLiveVariables, 561 ConjunctsInSsa, 104 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 256/1007 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown