/root/.sdkman/candidates/java/current/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking DFS --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 50 --traceabstraction.seed.for.random.criterion 213 --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/pthread/triangular-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 11:38:11,650 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 11:38:11,698 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 11:38:11,702 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 11:38:11,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 11:38:11,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 11:38:11,736 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 11:38:11,736 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 11:38:11,737 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 11:38:11,737 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 11:38:11,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 11:38:11,738 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 11:38:11,738 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 11:38:11,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 11:38:11,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 11:38:11,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 11:38:11,740 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 11:38:11,740 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 11:38:11,740 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 11:38:11,740 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 11:38:11,741 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 11:38:11,741 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 11:38:11,742 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 11:38:11,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 11:38:11,742 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 11:38:11,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 11:38:11,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 11:38:11,743 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 11:38:11,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 11:38:11,744 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 11:38:11,744 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 11:38:11,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 11:38:11,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 11:38:11,745 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 11:38:11,745 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 11:38:11,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 11:38:11,746 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 11:38:11,746 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 11:38:11,746 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 11:38:11,747 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: probability for random criterion as percentage -> 50 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: seed for random criterion -> 213 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 11:38:11,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 11:38:12,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 11:38:12,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 11:38:12,034 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 11:38:12,053 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 11:38:12,054 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/triangular-1.i [2024-05-07 11:38:13,207 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 11:38:13,497 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 11:38:13,497 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i [2024-05-07 11:38:13,522 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9c1fa23bc/f335da527d3441018e9a97a8bbb7688e/FLAG55efff237 [2024-05-07 11:38:13,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9c1fa23bc/f335da527d3441018e9a97a8bbb7688e [2024-05-07 11:38:13,538 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 11:38:13,539 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 11:38:13,540 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 11:38:13,540 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 11:38:13,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 11:38:13,552 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:38:13" (1/1) ... [2024-05-07 11:38:13,553 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c0e5b86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:13, skipping insertion in model container [2024-05-07 11:38:13,554 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 11:38:13" (1/1) ... [2024-05-07 11:38:13,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 11:38:13,951 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2024-05-07 11:38:13,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 11:38:13,967 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 11:38:14,001 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/triangular-1.i[30950,30963] [2024-05-07 11:38:14,002 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 11:38:14,039 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 11:38:14,039 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 11:38:14,046 INFO L206 MainTranslator]: Completed translation [2024-05-07 11:38:14,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14 WrapperNode [2024-05-07 11:38:14,047 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 11:38:14,048 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 11:38:14,048 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 11:38:14,048 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 11:38:14,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,082 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,102 INFO L138 Inliner]: procedures = 169, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-05-07 11:38:14,102 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 11:38:14,103 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 11:38:14,103 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 11:38:14,103 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 11:38:14,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,128 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,130 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,146 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 11:38:14,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 11:38:14,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 11:38:14,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 11:38:14,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (1/1) ... [2024-05-07 11:38:14,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 11:38:14,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:14,185 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 11:38:14,208 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 11:38:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2024-05-07 11:38:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2024-05-07 11:38:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2024-05-07 11:38:14,238 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2024-05-07 11:38:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 11:38:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 11:38:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 11:38:14,238 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 11:38:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 11:38:14,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 11:38:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 11:38:14,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 11:38:14,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 11:38:14,242 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 11:38:14,384 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 11:38:14,387 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 11:38:14,531 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 11:38:14,540 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 11:38:14,540 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2024-05-07 11:38:14,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:38:14 BoogieIcfgContainer [2024-05-07 11:38:14,542 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 11:38:14,545 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 11:38:14,545 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 11:38:14,548 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 11:38:14,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 11:38:13" (1/3) ... [2024-05-07 11:38:14,549 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b09f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:38:14, skipping insertion in model container [2024-05-07 11:38:14,549 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 11:38:14" (2/3) ... [2024-05-07 11:38:14,550 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b09f52 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 11:38:14, skipping insertion in model container [2024-05-07 11:38:14,550 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 11:38:14" (3/3) ... [2024-05-07 11:38:14,551 INFO L112 eAbstractionObserver]: Analyzing ICFG triangular-1.i [2024-05-07 11:38:14,559 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 11:38:14,569 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 11:38:14,570 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 11:38:14,570 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 11:38:14,614 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 11:38:14,656 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 11:38:14,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 11:38:14,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:14,658 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 11:38:14,660 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 11:38:14,692 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 11:38:14,705 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:14,707 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 11:38:14,714 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;@5f7d5b7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=RANDOM, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=50, mConComCheckerRandomSeed=213, mConComCheckerConditionCriterion=false [2024-05-07 11:38:14,714 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 11:38:14,763 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 11:38:14,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1929297279, now seen corresponding path program 1 times [2024-05-07 11:38:14,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:14,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240685198] [2024-05-07 11:38:14,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:14,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:15,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:15,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:15,541 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240685198] [2024-05-07 11:38:15,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240685198] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:38:15,541 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 11:38:15,542 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 11:38:15,543 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552449756] [2024-05-07 11:38:15,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:38:15,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 11:38:15,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:15,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 11:38:15,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-05-07 11:38:15,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:15,577 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:15,578 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 6 states have internal predecessors, (34), 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 11:38:15,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:16,183 INFO L85 PathProgramCache]: Analyzing trace with hash 1881417584, now seen corresponding path program 1 times [2024-05-07 11:38:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:16,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:16,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:16,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:16,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:16,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:16,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-05-07 11:38:16,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-05-07 11:38:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:16,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,SelfDestructingSolverStorable1,SelfDestructingSolverStorable0 [2024-05-07 11:38:16,883 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 11:38:16,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:16,884 INFO L85 PathProgramCache]: Analyzing trace with hash 1863394215, now seen corresponding path program 1 times [2024-05-07 11:38:16,884 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:16,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442305003] [2024-05-07 11:38:16,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:16,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:17,216 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:17,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:17,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442305003] [2024-05-07 11:38:17,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442305003] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:17,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279950285] [2024-05-07 11:38:17,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:17,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:17,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:17,259 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 11:38:17,279 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 11:38:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:17,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 11 conjunts are in the unsatisfiable core [2024-05-07 11:38:17,351 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:17,561 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:17,561 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:38:17,867 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:17,867 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279950285] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:38:17,867 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:38:17,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 18 [2024-05-07 11:38:17,868 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1607195747] [2024-05-07 11:38:17,868 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:38:17,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-07 11:38:17,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:17,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-07 11:38:17,870 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2024-05-07 11:38:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:17,871 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:17,871 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.944444444444445) internal successors, (125), 18 states have internal predecessors, (125), 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 11:38:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:17,871 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:18,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:18,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 11:38:18,705 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-05-07 11:38:18,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:18,902 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 11:38:18,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:18,903 INFO L85 PathProgramCache]: Analyzing trace with hash -806835869, now seen corresponding path program 2 times [2024-05-07 11:38:18,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:18,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037483990] [2024-05-07 11:38:18,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:18,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:19,319 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:19,319 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:19,319 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037483990] [2024-05-07 11:38:19,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037483990] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:19,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175585120] [2024-05-07 11:38:19,320 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-05-07 11:38:19,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:19,320 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:19,322 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 11:38:19,343 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 11:38:19,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-05-07 11:38:19,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:38:19,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 17 conjunts are in the unsatisfiable core [2024-05-07 11:38:19,417 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:19,645 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:38:19,920 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:19,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175585120] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:38:19,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:38:19,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 18 [2024-05-07 11:38:19,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948042788] [2024-05-07 11:38:19,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:38:19,926 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-05-07 11:38:19,926 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:19,927 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-05-07 11:38:19,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2024-05-07 11:38:19,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:19,928 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:19,934 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.055555555555555) internal successors, (109), 18 states have internal predecessors, (109), 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 11:38:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:19,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 11:38:19,935 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:20,682 INFO L85 PathProgramCache]: Analyzing trace with hash -371850996, now seen corresponding path program 1 times [2024-05-07 11:38:20,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:20,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:20,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:20,895 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 108 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 11:38:20,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:20,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:20,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:21,065 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 108 proven. 42 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-05-07 11:38:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-05-07 11:38:21,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2024-05-07 11:38:21,081 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 11:38:21,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable6,SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:21,281 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 11:38:21,281 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:21,281 INFO L85 PathProgramCache]: Analyzing trace with hash 1679164407, now seen corresponding path program 3 times [2024-05-07 11:38:21,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:21,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806303926] [2024-05-07 11:38:21,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:21,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:21,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:21,509 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 133 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:21,510 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:21,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806303926] [2024-05-07 11:38:21,510 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806303926] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:21,510 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1196374367] [2024-05-07 11:38:21,510 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-05-07 11:38:21,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:21,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:21,512 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 11:38:21,530 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 11:38:21,600 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-05-07 11:38:21,600 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:38:21,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 11:38:21,605 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:21,793 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:21,793 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 11:38:21,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1196374367] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:38:21,794 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 11:38:21,794 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 24 [2024-05-07 11:38:21,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334435650] [2024-05-07 11:38:21,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:38:21,796 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-07 11:38:21,796 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:21,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-07 11:38:21,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2024-05-07 11:38:21,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:21,797 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:21,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.230769230769231) internal successors, (94), 13 states have internal predecessors, (94), 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 11:38:21,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:21,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2024-05-07 11:38:21,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2024-05-07 11:38:21,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:23,601 INFO L85 PathProgramCache]: Analyzing trace with hash 336353944, now seen corresponding path program 1 times [2024-05-07 11:38:23,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:23,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:23,654 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:23,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:23,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:23,698 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:23,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:23,727 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-05-07 11:38:23,912 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,SelfDestructingSolverStorable7,SelfDestructingSolverStorable9,5 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:23,913 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:38:23,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:23,913 INFO L85 PathProgramCache]: Analyzing trace with hash 873861454, now seen corresponding path program 4 times [2024-05-07 11:38:23,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:23,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567277248] [2024-05-07 11:38:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:23,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:23,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:24,037 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:24,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567277248] [2024-05-07 11:38:24,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567277248] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:24,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [616518578] [2024-05-07 11:38:24,039 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-05-07 11:38:24,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:24,039 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:24,041 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:38:24,061 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-05-07 11:38:24,118 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-05-07 11:38:24,118 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:38:24,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2024-05-07 11:38:24,126 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:24,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:24,237 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:38:24,321 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:24,321 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [616518578] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:38:24,321 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:38:24,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2024-05-07 11:38:24,322 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589333495] [2024-05-07 11:38:24,322 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:38:24,322 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-07 11:38:24,322 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:24,323 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-07 11:38:24,323 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2024-05-07 11:38:24,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:24,324 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:24,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.461538461538462) internal successors, (84), 13 states have internal predecessors, (84), 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 11:38:24,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:24,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:24,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:24,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:24,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:25,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:25,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:25,574 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-05-07 11:38:25,770 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-05-07 11:38:25,771 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:38:25,771 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:25,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1353806894, now seen corresponding path program 5 times [2024-05-07 11:38:25,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:25,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216926739] [2024-05-07 11:38:25,772 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:25,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:26,171 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:26,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:26,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1216926739] [2024-05-07 11:38:26,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1216926739] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:26,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3685855] [2024-05-07 11:38:26,172 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-05-07 11:38:26,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:26,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:26,174 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:38:26,179 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-05-07 11:38:26,254 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2024-05-07 11:38:26,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:38:26,256 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 15 conjunts are in the unsatisfiable core [2024-05-07 11:38:26,259 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:26,357 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:26,358 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:38:26,594 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:26,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3685855] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:38:26,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:38:26,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 26 [2024-05-07 11:38:26,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036745866] [2024-05-07 11:38:26,595 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:38:26,595 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-05-07 11:38:26,595 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:26,596 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-05-07 11:38:26,597 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=518, Unknown=0, NotChecked=0, Total=650 [2024-05-07 11:38:26,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:26,597 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:26,597 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 26 states have (on average 5.576923076923077) internal successors, (145), 26 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 11:38:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:26,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:28,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:28,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 11:38:28,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-05-07 11:38:28,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-05-07 11:38:28,670 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:38:28,670 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:28,670 INFO L85 PathProgramCache]: Analyzing trace with hash -663290882, now seen corresponding path program 6 times [2024-05-07 11:38:28,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:28,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381383387] [2024-05-07 11:38:28,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:28,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:28,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:28,846 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 93 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:28,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:28,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381383387] [2024-05-07 11:38:28,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381383387] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:28,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1486727388] [2024-05-07 11:38:28,849 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-05-07 11:38:28,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:28,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:28,852 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:38:28,864 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-05-07 11:38:28,942 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2024-05-07 11:38:28,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-05-07 11:38:28,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 12 conjunts are in the unsatisfiable core [2024-05-07 11:38:28,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:29,038 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-05-07 11:38:29,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1486727388] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 11:38:29,038 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-05-07 11:38:29,038 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [13] total 15 [2024-05-07 11:38:29,038 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887914224] [2024-05-07 11:38:29,038 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 11:38:29,039 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-05-07 11:38:29,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:29,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-05-07 11:38:29,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2024-05-07 11:38:29,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:29,040 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:29,040 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 6.615384615384615) internal successors, (86), 13 states have internal predecessors, (86), 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 11:38:29,040 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 11:38:29,041 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:31,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 11:38:31,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:31,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-05-07 11:38:31,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-05-07 11:38:31,622 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2024-05-07 11:38:31,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 11:38:31,623 INFO L85 PathProgramCache]: Analyzing trace with hash 411185999, now seen corresponding path program 7 times [2024-05-07 11:38:31,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 11:38:31,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693236362] [2024-05-07 11:38:31,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 11:38:31,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 11:38:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:31,830 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:31,831 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 11:38:31,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693236362] [2024-05-07 11:38:31,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693236362] provided 0 perfect and 1 imperfect interpolant sequences [2024-05-07 11:38:31,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668905239] [2024-05-07 11:38:31,831 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-05-07 11:38:31,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:31,831 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 11:38:31,841 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-05-07 11:38:31,846 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-05-07 11:38:31,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 11:38:31,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 16 conjunts are in the unsatisfiable core [2024-05-07 11:38:31,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2024-05-07 11:38:32,025 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:32,025 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2024-05-07 11:38:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-05-07 11:38:32,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668905239] provided 0 perfect and 2 imperfect interpolant sequences [2024-05-07 11:38:32,212 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-05-07 11:38:32,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 27 [2024-05-07 11:38:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116160564] [2024-05-07 11:38:32,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-05-07 11:38:32,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-05-07 11:38:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 11:38:32,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-05-07 11:38:32,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=552, Unknown=0, NotChecked=0, Total=702 [2024-05-07 11:38:32,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:32,214 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 11:38:32,215 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 5.518518518518518) internal successors, (149), 27 states have internal predecessors, (149), 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 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:32,215 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 11:38:36,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-05-07 11:38:36,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-05-07 11:38:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-05-07 11:38:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-05-07 11:38:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-05-07 11:38:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-05-07 11:38:36,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-05-07 11:38:36,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 11:38:36,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 11:38:36,491 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 11:38:36,504 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-05-07 11:38:36,697 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-05-07 11:38:36,703 INFO L448 BasicCegarLoop]: Path program histogram: [7, 1, 1, 1, 1] [2024-05-07 11:38:36,705 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 11:38:36,705 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 11:38:36,711 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 11:38:36 BasicIcfg [2024-05-07 11:38:36,712 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 11:38:36,712 INFO L158 Benchmark]: Toolchain (without parser) took 23173.37ms. Allocated memory was 173.0MB in the beginning and 1.2GB in the end (delta: 980.4MB). Free memory was 101.1MB in the beginning and 641.8MB in the end (delta: -540.7MB). Peak memory consumption was 441.0MB. Max. memory is 8.0GB. [2024-05-07 11:38:36,712 INFO L158 Benchmark]: CDTParser took 0.71ms. Allocated memory is still 173.0MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 11:38:36,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.32ms. Allocated memory is still 173.0MB. Free memory was 100.9MB in the beginning and 81.1MB in the end (delta: 19.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. [2024-05-07 11:38:36,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.56ms. Allocated memory is still 173.0MB. Free memory was 81.1MB in the beginning and 79.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 11:38:36,714 INFO L158 Benchmark]: Boogie Preprocessor took 42.55ms. Allocated memory is still 173.0MB. Free memory was 79.2MB in the beginning and 77.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 11:38:36,714 INFO L158 Benchmark]: RCFGBuilder took 395.72ms. Allocated memory was 173.0MB in the beginning and 267.4MB in the end (delta: 94.4MB). Free memory was 77.8MB in the beginning and 231.6MB in the end (delta: -153.8MB). Peak memory consumption was 17.1MB. Max. memory is 8.0GB. [2024-05-07 11:38:36,714 INFO L158 Benchmark]: TraceAbstraction took 22166.73ms. Allocated memory was 267.4MB in the beginning and 1.2GB in the end (delta: 886.0MB). Free memory was 230.1MB in the beginning and 641.8MB in the end (delta: -411.8MB). Peak memory consumption was 474.3MB. Max. memory is 8.0GB. [2024-05-07 11:38:36,715 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.71ms. Allocated memory is still 173.0MB. Free memory is still 148.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 507.32ms. Allocated memory is still 173.0MB. Free memory was 100.9MB in the beginning and 81.1MB in the end (delta: 19.7MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 54.56ms. Allocated memory is still 173.0MB. Free memory was 81.1MB in the beginning and 79.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 42.55ms. Allocated memory is still 173.0MB. Free memory was 79.2MB in the beginning and 77.8MB in the end (delta: 1.4MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 395.72ms. Allocated memory was 173.0MB in the beginning and 267.4MB in the end (delta: 94.4MB). Free memory was 77.8MB in the beginning and 231.6MB in the end (delta: -153.8MB). Peak memory consumption was 17.1MB. Max. memory is 8.0GB. * TraceAbstraction took 22166.73ms. Allocated memory was 267.4MB in the beginning and 1.2GB in the end (delta: 886.0MB). Free memory was 230.1MB in the beginning and 641.8MB in the end (delta: -411.8MB). Peak memory consumption was 474.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 635450, independent: 593088, independent conditional: 592799, independent unconditional: 289, dependent: 42362, dependent conditional: 42361, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 601086, independent: 593088, independent conditional: 592799, independent unconditional: 289, dependent: 7998, dependent conditional: 7997, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 601086, independent: 593088, independent conditional: 592799, independent unconditional: 289, dependent: 7998, dependent conditional: 7997, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 601086, independent: 593088, independent conditional: 592799, independent unconditional: 289, dependent: 7998, dependent conditional: 7997, dependent unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625444, independent: 593088, independent conditional: 258387, independent unconditional: 334701, dependent: 32356, dependent conditional: 24357, dependent unconditional: 7999, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 625444, independent: 593088, independent conditional: 222204, independent unconditional: 370884, dependent: 32356, dependent conditional: 19184, dependent unconditional: 13172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 625444, independent: 593088, independent conditional: 222204, independent unconditional: 370884, dependent: 32356, dependent conditional: 19184, dependent unconditional: 13172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 896, independent: 629, independent conditional: 148, independent unconditional: 481, dependent: 267, dependent conditional: 262, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 896, independent: 562, independent conditional: 0, independent unconditional: 562, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 334, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 267, dependent conditional: 262, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 334, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 267, dependent conditional: 262, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 566, independent: 98, independent conditional: 98, independent unconditional: 0, dependent: 469, dependent conditional: 434, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 625444, independent: 592459, independent conditional: 222056, independent unconditional: 370403, dependent: 32089, dependent conditional: 18922, dependent unconditional: 13167, unknown: 896, unknown conditional: 410, unknown unconditional: 486] , Statistics on independence cache: Total cache size (in pairs): 896, Positive cache size: 629, Positive conditional cache size: 148, Positive unconditional cache size: 481, Negative cache size: 267, Negative conditional cache size: 262, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41356, Maximal queried relation: 9, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 625444, independent: 593088, independent conditional: 258387, independent unconditional: 334701, dependent: 32356, dependent conditional: 24357, dependent unconditional: 7999, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 625444, independent: 593088, independent conditional: 222204, independent unconditional: 370884, dependent: 32356, dependent conditional: 19184, dependent unconditional: 13172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 625444, independent: 593088, independent conditional: 222204, independent unconditional: 370884, dependent: 32356, dependent conditional: 19184, dependent unconditional: 13172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 896, independent: 629, independent conditional: 148, independent unconditional: 481, dependent: 267, dependent conditional: 262, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 896, independent: 562, independent conditional: 0, independent unconditional: 562, dependent: 334, dependent conditional: 0, dependent unconditional: 334, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 334, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 267, dependent conditional: 262, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 334, independent: 67, independent conditional: 67, independent unconditional: 0, dependent: 267, dependent conditional: 262, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 566, independent: 98, independent conditional: 98, independent unconditional: 0, dependent: 469, dependent conditional: 434, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 625444, independent: 592459, independent conditional: 222056, independent unconditional: 370403, dependent: 32089, dependent conditional: 18922, dependent unconditional: 13167, unknown: 896, unknown conditional: 410, unknown unconditional: 486] , Statistics on independence cache: Total cache size (in pairs): 896, Positive cache size: 629, Positive conditional cache size: 148, Positive unconditional cache size: 481, Negative cache size: 267, Negative conditional cache size: 262, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 41356 ], Independence queries for same thread: 34364 - PositiveResult [Line: 722]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 88 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 22.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 15.0s, 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: 206, 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, 0.3s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 1070 NumberOfCodeBlocks, 1070 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1388 ConstructedInterpolants, 0 QuantifiedInterpolants, 5356 SizeOfPredicates, 63 NumberOfNonLiveVariables, 1224 ConjunctsInSsa, 92 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 486/1288 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: 4.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 1, ConditionalCommutativityConditionCalculations: 40, ConditionalCommutativityTraceChecks: 3, ConditionalCommutativityImperfectProofs: 2 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 11:38:36,732 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 11:38:36,935 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...