/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 FORWARD --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -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-17da818-m [2024-05-07 02:56:12,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 02:56:12,184 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 02:56:12,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 02:56:12,188 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 02:56:12,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 02:56:12,215 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 02:56:12,215 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 02:56:12,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 02:56:12,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 02:56:12,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 02:56:12,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 02:56:12,220 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 02:56:12,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 02:56:12,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 02:56:12,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 02:56:12,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 02:56:12,222 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 02:56:12,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 02:56:12,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 02:56:12,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 02:56:12,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 02:56:12,224 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 02:56:12,224 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 02:56:12,224 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 02:56:12,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 02:56:12,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 02:56:12,224 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 02:56:12,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 02:56:12,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 02:56:12,226 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 02:56:12,226 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 02:56:12,227 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> FORWARD Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 02:56:12,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 02:56:12,436 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 02:56:12,438 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 02:56:12,439 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 02:56:12,439 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 02:56:12,440 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-07 02:56:13,358 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 02:56:13,487 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 02:56:13,488 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-07 02:56:13,493 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/63943aaba/90a803e48089409eb254b0001b03e475/FLAG04a4d2a2a [2024-05-07 02:56:13,502 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/63943aaba/90a803e48089409eb254b0001b03e475 [2024-05-07 02:56:13,504 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 02:56:13,505 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 02:56:13,506 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 02:56:13,506 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 02:56:13,509 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 02:56:13,510 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,510 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48a824b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13, skipping insertion in model container [2024-05-07 02:56:13,510 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,531 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 02:56:13,642 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] [2024-05-07 02:56:13,645 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 02:56:13,651 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 02:56:13,664 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] [2024-05-07 02:56:13,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 02:56:13,671 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 02:56:13,671 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 02:56:13,676 INFO L206 MainTranslator]: Completed translation [2024-05-07 02:56:13,676 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13 WrapperNode [2024-05-07 02:56:13,676 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 02:56:13,677 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 02:56:13,677 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 02:56:13,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 02:56:13,682 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,719 INFO L138 Inliner]: procedures = 21, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-05-07 02:56:13,720 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 02:56:13,720 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 02:56:13,720 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 02:56:13,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 02:56:13,727 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,728 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,728 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,731 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,733 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,733 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,736 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 02:56:13,737 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 02:56:13,737 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 02:56:13,737 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 02:56:13,737 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (1/1) ... [2024-05-07 02:56:13,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 02:56:13,749 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:13,761 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) [2024-05-07 02:56:13,768 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 [2024-05-07 02:56:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 02:56:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 02:56:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 02:56:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 02:56:13,800 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 02:56:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 02:56:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 02:56:13,800 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 02:56:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 02:56:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 02:56:13,801 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 02:56:13,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 02:56:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 02:56:13,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 02:56:13,804 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2024-05-07 02:56:13,866 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 02:56:13,867 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 02:56:14,065 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 02:56:14,115 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 02:56:14,116 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 02:56:14,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 02:56:14 BoogieIcfgContainer [2024-05-07 02:56:14,117 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 02:56:14,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 02:56:14,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 02:56:14,124 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 02:56:14,125 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 02:56:13" (1/3) ... [2024-05-07 02:56:14,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cafe4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 02:56:14, skipping insertion in model container [2024-05-07 02:56:14,126 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 02:56:13" (2/3) ... [2024-05-07 02:56:14,126 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cafe4dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 02:56:14, skipping insertion in model container [2024-05-07 02:56:14,127 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 02:56:14" (3/3) ... [2024-05-07 02:56:14,128 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-nonblocking-counter-alt2.wvr.c [2024-05-07 02:56:14,134 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 02:56:14,141 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 02:56:14,141 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 02:56:14,141 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 02:56:14,210 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 02:56:14,241 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 02:56:14,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 02:56:14,242 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:14,246 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) [2024-05-07 02:56:14,265 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 [2024-05-07 02:56:14,279 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 02:56:14,288 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:14,289 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 02:56:14,296 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;@77d75a06, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=FORWARD, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 02:56:14,296 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 02:56:14,716 INFO L85 PathProgramCache]: Analyzing trace with hash -478871370, now seen corresponding path program 1 times [2024-05-07 02:56:14,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:14,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:56:14,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:14,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:14,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:14,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 02:56:14,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 02:56:14,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 02:56:15,204 INFO L85 PathProgramCache]: Analyzing trace with hash -1359468412, now seen corresponding path program 1 times [2024-05-07 02:56:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:15,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 02:56:15,249 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 02:56:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 02:56:15,320 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 02:56:15,321 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:15,321 INFO L85 PathProgramCache]: Analyzing trace with hash -2044128722, now seen corresponding path program 1 times [2024-05-07 02:56:15,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:56:15,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722099313] [2024-05-07 02:56:15,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:15,325 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:15,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:15,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:15,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:15,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722099313] [2024-05-07 02:56:15,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [722099313] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 02:56:15,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 02:56:15,502 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 02:56:15,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910985909] [2024-05-07 02:56:15,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 02:56:15,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 02:56:15,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:56:15,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 02:56:15,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-05-07 02:56:15,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:15,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:56:15,511 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) [2024-05-07 02:56:15,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:15,752 INFO L85 PathProgramCache]: Analyzing trace with hash 492656312, now seen corresponding path program 1 times [2024-05-07 02:56:15,752 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 02:56:15,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 02:56:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 02:56:15,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 02:56:15,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3 [2024-05-07 02:56:15,843 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 02:56:15,844 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:15,844 INFO L85 PathProgramCache]: Analyzing trace with hash 849842810, now seen corresponding path program 1 times [2024-05-07 02:56:15,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:56:15,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550076277] [2024-05-07 02:56:15,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:15,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:16,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:16,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550076277] [2024-05-07 02:56:16,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550076277] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:56:16,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1757015692] [2024-05-07 02:56:16,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:16,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:56:16,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:16,230 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) [2024-05-07 02:56:16,272 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-05-07 02:56:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:16,308 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 02:56:16,310 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:56:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:16,497 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:56:16,851 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:16,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1757015692] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:56:16,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:56:16,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 8] total 20 [2024-05-07 02:56:16,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038710023] [2024-05-07 02:56:16,852 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:56:16,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-05-07 02:56:16,853 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:56:16,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-05-07 02:56:16,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=290, Unknown=0, NotChecked=0, Total=380 [2024-05-07 02:56:16,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:16,854 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:56:16,854 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) [2024-05-07 02:56:16,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 02:56:16,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 02:56:17,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 02:56:17,456 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-05-07 02:56:17,649 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-05-07 02:56:17,650 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 02:56:17,650 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 02:56:17,650 INFO L85 PathProgramCache]: Analyzing trace with hash -470519814, now seen corresponding path program 2 times [2024-05-07 02:56:17,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 02:56:17,650 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420270847] [2024-05-07 02:56:17,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:56:17,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:56:17,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 02:56:18,586 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:18,587 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 02:56:18,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420270847] [2024-05-07 02:56:18,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420270847] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 02:56:18,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300409079] [2024-05-07 02:56:18,590 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 02:56:18,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 02:56:18,591 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 02:56:18,592 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) [2024-05-07 02:56:18,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-05-07 02:56:18,658 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 02:56:18,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 02:56:18,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 24 conjunts are in the unsatisfiable core [2024-05-07 02:56:18,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 02:56:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:19,114 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 02:56:30,505 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 02:56:30,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300409079] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 02:56:30,505 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 02:56:30,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 16, 17] total 42 [2024-05-07 02:56:30,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652987618] [2024-05-07 02:56:30,506 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 02:56:30,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2024-05-07 02:56:30,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 02:56:30,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2024-05-07 02:56:30,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=290, Invalid=1432, Unknown=0, NotChecked=0, Total=1722 [2024-05-07 02:56:30,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:30,508 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 02:56:30,508 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 3.4285714285714284) internal successors, (144), 42 states have internal predecessors, (144), 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) [2024-05-07 02:56:30,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2024-05-07 02:56:30,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 02:56:30,508 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 02:56:38,245 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 [] [2024-05-07 02:56:48,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.84s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 02:57:02,846 WARN L293 SmtUtils]: Spent 7.04s on a formula simplification. DAG size of input: 129 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 02:57:26,539 WARN L293 SmtUtils]: Spent 17.34s on a formula simplification. DAG size of input: 124 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 02:57:34,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 02:57:44,177 WARN L293 SmtUtils]: Spent 6.58s on a formula simplification. DAG size of input: 114 DAG size of output: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 02:57:59,201 WARN L293 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 121 DAG size of output: 65 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 02:58:01,701 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 02:58:03,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 02:58:50,950 WARN L293 SmtUtils]: Spent 34.49s on a formula simplification. DAG size of input: 140 DAG size of output: 77 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 02:58:53,666 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 02:59:09,163 INFO L85 PathProgramCache]: Analyzing trace with hash 132203396, now seen corresponding path program 2 times [2024-05-07 02:59:09,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 02:59:09,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 02:59:09,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 02:59:09,211 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-05-07 02:59:09,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-05-07 02:59:54,168 WARN L293 SmtUtils]: Spent 38.27s on a formula simplification. DAG size of input: 132 DAG size of output: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:00:09,501 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification. DAG size of input: 122 DAG size of output: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:00:36,052 WARN L293 SmtUtils]: Spent 18.13s on a formula simplification. DAG size of input: 119 DAG size of output: 107 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:00:37,877 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 03:01:21,435 WARN L293 SmtUtils]: Spent 35.01s on a formula simplification. DAG size of input: 136 DAG size of output: 113 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:02:18,289 WARN L293 SmtUtils]: Spent 39.61s on a formula simplification. DAG size of input: 123 DAG size of output: 111 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:02:39,866 WARN L293 SmtUtils]: Spent 16.98s on a formula simplification. DAG size of input: 116 DAG size of output: 87 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:02:56,894 WARN L293 SmtUtils]: Spent 7.44s on a formula simplification. DAG size of input: 109 DAG size of output: 97 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:02:58,526 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 03:03:21,294 WARN L293 SmtUtils]: Spent 19.10s on a formula simplification. DAG size of input: 121 DAG size of output: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:03:37,361 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification. DAG size of input: 113 DAG size of output: 104 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:04:37,244 WARN L293 SmtUtils]: Spent 50.35s on a formula simplification. DAG size of input: 135 DAG size of output: 106 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:04:38,429 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-05-07 03:04:39,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-05-07 03:04:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 03:04:39,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2024-05-07 03:04:39,147 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-05-07 03:04:39,344 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:04:39,345 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 03:04:39,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 03:04:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 262033951, now seen corresponding path program 3 times [2024-05-07 03:04:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 03:04:39,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1078577787] [2024-05-07 03:04:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 03:04:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 03:04:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 03:04:43,409 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 31 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 03:04:43,409 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 03:04:43,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1078577787] [2024-05-07 03:04:43,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1078577787] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 03:04:43,409 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [59848209] [2024-05-07 03:04:43,409 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 03:04:43,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 03:04:43,410 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 03:04:43,410 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) [2024-05-07 03:04:43,411 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-05-07 03:04:43,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2024-05-07 03:04:43,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 03:04:43,585 INFO L262 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 38 conjunts are in the unsatisfiable core [2024-05-07 03:04:43,588 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 03:04:44,851 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 36 proven. 100 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-05-07 03:04:44,852 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 03:06:20,356 WARN L293 SmtUtils]: Spent 19.68s on a formula simplification. DAG size of input: 75 DAG size of output: 73 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-05-07 03:07:23,205 WARN L293 SmtUtils]: Spent 34.40s 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) [2024-05-07 03:09:43,558 WARN L293 SmtUtils]: Spent 38.29s on a formula simplification that was a NOOP. DAG size: 88 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2024-05-07 03:10:49,676 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 [2024-05-07 03:10:49,676 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 [2024-05-07 03:10:49,676 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 [2024-05-07 03:10:50,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-05-07 03:10:50,689 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 [2024-05-07 03:10:50,884 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 [2024-05-07 03:10:50,892 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 [2024-05-07 03:10:50,894 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 03:10:50,894 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-05-07 03:10:50,894 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,while PredicateUnifier was unifying predicates,while executing Executor. [2024-05-07 03:10:50,895 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 03:10:50,895 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 03:10:50,898 INFO L448 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1] [2024-05-07 03:10:50,900 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 03:10:50,900 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 03:10:50,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 03:10:50 BasicIcfg [2024-05-07 03:10:50,901 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 03:10:50,902 INFO L158 Benchmark]: Toolchain (without parser) took 877397.26ms. Allocated memory was 151.0MB in the beginning and 368.1MB in the end (delta: 217.1MB). Free memory was 88.6MB in the beginning and 305.8MB in the end (delta: -217.2MB). Peak memory consumption was 190.4MB. Max. memory is 8.0GB. [2024-05-07 03:10:50,902 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 03:10:50,902 INFO L158 Benchmark]: CACSL2BoogieTranslator took 170.68ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 77.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2024-05-07 03:10:50,902 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.06ms. Allocated memory is still 151.0MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 03:10:50,903 INFO L158 Benchmark]: Boogie Preprocessor took 15.76ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 74.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 03:10:50,903 INFO L158 Benchmark]: RCFGBuilder took 380.46ms. Allocated memory is still 151.0MB. Free memory was 74.4MB in the beginning and 120.8MB in the end (delta: -46.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2024-05-07 03:10:50,903 INFO L158 Benchmark]: TraceAbstraction took 876782.79ms. Allocated memory was 151.0MB in the beginning and 368.1MB in the end (delta: 217.1MB). Free memory was 119.8MB in the beginning and 305.8MB in the end (delta: -186.1MB). Peak memory consumption was 220.8MB. Max. memory is 8.0GB. [2024-05-07 03:10:50,904 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 151.0MB. Free memory is still 92.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 170.68ms. Allocated memory is still 151.0MB. Free memory was 88.5MB in the beginning and 77.3MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 43.06ms. Allocated memory is still 151.0MB. Free memory was 77.3MB in the beginning and 75.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 15.76ms. Allocated memory is still 151.0MB. Free memory was 75.7MB in the beginning and 74.4MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 380.46ms. Allocated memory is still 151.0MB. Free memory was 74.4MB in the beginning and 120.8MB in the end (delta: -46.4MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 876782.79ms. Allocated memory was 151.0MB in the beginning and 368.1MB in the end (delta: 217.1MB). Free memory was 119.8MB in the beginning and 305.8MB in the end (delta: -186.1MB). Peak memory consumption was 220.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1274, independent: 1058, independent conditional: 823, independent unconditional: 235, dependent: 216, dependent conditional: 213, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1065, independent: 1058, independent conditional: 823, independent unconditional: 235, dependent: 7, dependent conditional: 4, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1065, independent: 1058, independent conditional: 823, independent unconditional: 235, dependent: 7, dependent conditional: 4, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1065, independent: 1058, independent conditional: 823, independent unconditional: 235, dependent: 7, dependent conditional: 4, dependent unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1076, independent: 1058, independent conditional: 246, independent unconditional: 812, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1076, independent: 1058, independent conditional: 243, independent unconditional: 815, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1076, independent: 1058, independent conditional: 243, independent unconditional: 815, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 118, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 118, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 62, dependent conditional: 26, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1076, independent: 944, independent conditional: 243, independent unconditional: 701, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 118, unknown conditional: 3, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 4, Negative conditional cache size: 3, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1076, independent: 1058, independent conditional: 246, independent unconditional: 812, dependent: 18, dependent conditional: 6, dependent unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1076, independent: 1058, independent conditional: 243, independent unconditional: 815, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1076, independent: 1058, independent conditional: 243, independent unconditional: 815, dependent: 18, dependent conditional: 4, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 118, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 118, independent: 114, independent conditional: 0, independent unconditional: 114, dependent: 4, dependent conditional: 0, dependent unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 4, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 4, dependent conditional: 3, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 62, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 62, dependent conditional: 26, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1076, independent: 944, independent conditional: 243, independent unconditional: 701, dependent: 14, dependent conditional: 1, dependent unconditional: 13, unknown: 118, unknown conditional: 3, unknown unconditional: 115] , Statistics on independence cache: Total cache size (in pairs): 118, Positive cache size: 114, Positive conditional cache size: 0, Positive unconditional cache size: 114, Negative cache size: 4, Negative conditional cache size: 3, Negative unconditional cache size: 1, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 5 ], Independence queries for same thread: 209 - TimeoutResultAtElement [Line: 78]: Timeout (TraceAbstraction) Unable to prove that a call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,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 PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,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 PartialOrderCegarLoop was analyzing trace of length 105 with TraceHistMax 7,while TraceCheckSpWp was constructing backward predicates,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: 876.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 490.6s, 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: 96, 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: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 13.7s InterpolantComputationTime, 376 NumberOfCodeBlocks, 376 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 525 ConstructedInterpolants, 0 QuantifiedInterpolants, 5341 SizeOfPredicates, 31 NumberOfNonLiveVariables, 330 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 19/154 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: 61.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 4, ConditionalCommutativityTraceChecks: 4, ConditionalCommutativityImperfectProofs: 0 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown