/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 LOOP --traceabstraction.use.limited.checks.recommended.for.dfs true --traceabstraction.limit.for.limited.checks 10 -tc ../benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 06:47:47,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 06:47:47,494 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 06:47:47,499 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 06:47:47,500 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 06:47:47,529 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 06:47:47,530 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 06:47:47,530 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 06:47:47,531 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 06:47:47,533 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 06:47:47,534 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 06:47:47,534 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 06:47:47,534 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 06:47:47,535 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 06:47:47,535 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 06:47:47,535 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 06:47:47,536 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 06:47:47,536 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 06:47:47,536 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 06:47:47,536 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 06:47:47,536 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 06:47:47,537 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 06:47:47,537 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 06:47:47,537 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 06:47:47,537 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 06:47:47,537 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 06:47:47,537 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 06:47:47,537 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 06:47:47,538 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 06:47:47,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:47:47,539 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 06:47:47,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 06:47:47,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 06:47:47,539 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 06:47:47,539 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 06:47:47,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 06:47:47,540 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 06:47:47,540 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 06:47:47,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 06:47:47,540 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 06:47:47,770 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 06:47:47,787 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 06:47:47,789 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 06:47:47,790 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 06:47:47,791 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 06:47:47,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/weaver/test-easy6.wvr.c [2024-05-07 06:47:48,844 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 06:47:49,001 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 06:47:49,002 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c [2024-05-07 06:47:49,008 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2fc91edae/052ac0ec2646407f86c2bac528a8a9b4/FLAG69a247857 [2024-05-07 06:47:49,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/2fc91edae/052ac0ec2646407f86c2bac528a8a9b4 [2024-05-07 06:47:49,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 06:47:49,030 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 06:47:49,033 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 06:47:49,033 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 06:47:49,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 06:47:49,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfad1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49, skipping insertion in model container [2024-05-07 06:47:49,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,062 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 06:47:49,221 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c[3046,3059] [2024-05-07 06:47:49,225 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:47:49,234 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 06:47:49,263 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/test-easy6.wvr.c[3046,3059] [2024-05-07 06:47:49,264 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 06:47:49,269 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:47:49,270 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 06:47:49,276 INFO L206 MainTranslator]: Completed translation [2024-05-07 06:47:49,277 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49 WrapperNode [2024-05-07 06:47:49,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 06:47:49,278 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 06:47:49,278 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 06:47:49,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 06:47:49,283 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,289 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,313 INFO L138 Inliner]: procedures = 21, calls = 59, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 122 [2024-05-07 06:47:49,314 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 06:47:49,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 06:47:49,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 06:47:49,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 06:47:49,321 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,321 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,335 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,335 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,339 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,341 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,343 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 06:47:49,343 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 06:47:49,344 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 06:47:49,344 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 06:47:49,344 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (1/1) ... [2024-05-07 06:47:49,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 06:47:49,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:47:49,376 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 06:47:49,392 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 06:47:49,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-05-07 06:47:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-05-07 06:47:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 06:47:49,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 06:47:49,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 06:47:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-05-07 06:47:49,415 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 06:47:49,416 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 06:47:49,503 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 06:47:49,505 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 06:47:49,681 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 06:47:49,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 06:47:49,716 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 06:47:49,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:47:49 BoogieIcfgContainer [2024-05-07 06:47:49,717 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 06:47:49,719 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 06:47:49,719 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 06:47:49,722 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 06:47:49,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 06:47:49" (1/3) ... [2024-05-07 06:47:49,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e2dfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:47:49, skipping insertion in model container [2024-05-07 06:47:49,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 06:47:49" (2/3) ... [2024-05-07 06:47:49,723 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75e2dfee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 06:47:49, skipping insertion in model container [2024-05-07 06:47:49,723 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 06:47:49" (3/3) ... [2024-05-07 06:47:49,723 INFO L112 eAbstractionObserver]: Analyzing ICFG test-easy6.wvr.c [2024-05-07 06:47:49,729 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 06:47:49,736 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 06:47:49,737 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 06:47:49,737 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 06:47:49,785 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-05-07 06:47:49,823 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 06:47:49,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 06:47:49,823 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 06:47:49,825 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 06:47:49,825 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 06:47:49,850 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 06:47:49,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:49,860 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 06:47:49,866 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;@4cd7ee05, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=DFS, mConComCheckerCriterion=LOOP, mConComCheckerLimitedChecksCriterion=true, mConComCheckerCriterionLimit=10, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false [2024-05-07 06:47:49,866 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2024-05-07 06:47:49,897 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 06:47:49,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:49,898 INFO L85 PathProgramCache]: Analyzing trace with hash 990261730, now seen corresponding path program 1 times [2024-05-07 06:47:49,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:49,905 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424489591] [2024-05-07 06:47:49,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:49,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:50,139 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 06:47:50,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:50,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424489591] [2024-05-07 06:47:50,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424489591] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:50,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:50,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 06:47:50,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829168785] [2024-05-07 06:47:50,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:50,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 06:47:50,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:50,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 06:47:50,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 06:47:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,215 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:50,216 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 33.5) internal successors, (67), 2 states have internal predecessors, (67), 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 06:47:50,216 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 06:47:50,271 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 06:47:50,272 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:50,272 INFO L85 PathProgramCache]: Analyzing trace with hash -937853184, now seen corresponding path program 1 times [2024-05-07 06:47:50,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:50,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544324858] [2024-05-07 06:47:50,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:50,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:50,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:50,664 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 06:47:50,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:50,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544324858] [2024-05-07 06:47:50,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1544324858] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:50,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:50,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-07 06:47:50,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455367314] [2024-05-07 06:47:50,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:50,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-07 06:47:50,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:50,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-07 06:47:50,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-05-07 06:47:50,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:50,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:50,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:50,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:50,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 06:47:50,966 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 06:47:50,967 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:50,967 INFO L85 PathProgramCache]: Analyzing trace with hash -825319108, now seen corresponding path program 2 times [2024-05-07 06:47:50,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:50,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451054911] [2024-05-07 06:47:50,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:50,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:51,102 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 06:47:51,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:51,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451054911] [2024-05-07 06:47:51,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451054911] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:51,103 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:51,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 06:47:51,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007855004] [2024-05-07 06:47:51,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:51,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 06:47:51,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:51,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 06:47:51,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 06:47:51,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,105 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:51,105 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:51,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,105 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 06:47:51,295 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 06:47:51,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:51,296 INFO L85 PathProgramCache]: Analyzing trace with hash -542173246, now seen corresponding path program 3 times [2024-05-07 06:47:51,296 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:51,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1123463228] [2024-05-07 06:47:51,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:51,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:51,380 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 06:47:51,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:51,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1123463228] [2024-05-07 06:47:51,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1123463228] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:51,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:51,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 06:47:51,382 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71252884] [2024-05-07 06:47:51,382 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:51,383 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 06:47:51,383 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:51,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 06:47:51,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 06:47:51,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,384 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:51,385 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:51,385 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,387 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:51,440 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 06:47:51,440 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 06:47:51,440 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:51,441 INFO L85 PathProgramCache]: Analyzing trace with hash -29384544, now seen corresponding path program 4 times [2024-05-07 06:47:51,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:51,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217152013] [2024-05-07 06:47:51,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:51,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:51,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:51,605 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 06:47:51,605 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:51,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217152013] [2024-05-07 06:47:51,605 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217152013] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:51,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:51,606 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 06:47:51,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647014149] [2024-05-07 06:47:51,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:51,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 06:47:51,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:51,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 06:47:51,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-05-07 06:47:51,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,607 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:51,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.25) internal successors, (66), 8 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:51,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:51,607 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:51,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-07 06:47:51,759 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 06:47:51,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:51,759 INFO L85 PathProgramCache]: Analyzing trace with hash -2005000066, now seen corresponding path program 5 times [2024-05-07 06:47:51,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:51,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1219171462] [2024-05-07 06:47:51,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:51,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:51,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:51,829 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 06:47:51,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:51,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1219171462] [2024-05-07 06:47:51,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1219171462] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:51,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:51,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-05-07 06:47:51,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984709365] [2024-05-07 06:47:51,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:51,831 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-05-07 06:47:51,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:51,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-05-07 06:47:51,832 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-05-07 06:47:51,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,832 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:51,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:51,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:51,833 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,834 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:51,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:51,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-05-07 06:47:51,922 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 06:47:51,923 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:51,923 INFO L85 PathProgramCache]: Analyzing trace with hash 1013650020, now seen corresponding path program 6 times [2024-05-07 06:47:51,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:51,923 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347618420] [2024-05-07 06:47:51,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:51,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:51,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:52,016 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 06:47:52,017 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:52,017 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347618420] [2024-05-07 06:47:52,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [347618420] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:52,017 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:52,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 06:47:52,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921277205] [2024-05-07 06:47:52,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:52,018 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 06:47:52,018 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:52,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 06:47:52,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-05-07 06:47:52,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,019 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:52,019 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:52,019 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,020 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 06:47:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,156 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-05-07 06:47:52,156 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 06:47:52,156 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 06:47:52,156 INFO L85 PathProgramCache]: Analyzing trace with hash 936623938, now seen corresponding path program 7 times [2024-05-07 06:47:52,156 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 06:47:52,156 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [735438401] [2024-05-07 06:47:52,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 06:47:52,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 06:47:52,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 06:47:52,299 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 06:47:52,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 06:47:52,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [735438401] [2024-05-07 06:47:52,302 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [735438401] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 06:47:52,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 06:47:52,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-05-07 06:47:52,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1522816317] [2024-05-07 06:47:52,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 06:47:52,303 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-05-07 06:47:52,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 06:47:52,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-05-07 06:47:52,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-05-07 06:47:52,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,305 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 06:47:52,305 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.333333333333333) internal successors, (66), 9 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 06:47:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-05-07 06:47:52,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2024-05-07 06:47:52,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2024-05-07 06:47:52,534 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2024-05-07 06:47:52,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-05-07 06:47:52,538 INFO L448 BasicCegarLoop]: Path program histogram: [7, 1] [2024-05-07 06:47:52,539 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 06:47:52,540 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 06:47:52,542 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 06:47:52 BasicIcfg [2024-05-07 06:47:52,542 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 06:47:52,543 INFO L158 Benchmark]: Toolchain (without parser) took 3512.51ms. Allocated memory was 290.5MB in the beginning and 411.0MB in the end (delta: 120.6MB). Free memory was 220.0MB in the beginning and 305.5MB in the end (delta: -85.5MB). Peak memory consumption was 35.9MB. Max. memory is 8.0GB. [2024-05-07 06:47:52,543 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 06:47:52,543 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.68ms. Allocated memory is still 290.5MB. Free memory was 219.9MB in the beginning and 208.5MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2024-05-07 06:47:52,543 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.07ms. Allocated memory is still 290.5MB. Free memory was 208.5MB in the beginning and 206.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 06:47:52,543 INFO L158 Benchmark]: Boogie Preprocessor took 28.80ms. Allocated memory is still 290.5MB. Free memory was 206.7MB in the beginning and 205.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 06:47:52,544 INFO L158 Benchmark]: RCFGBuilder took 374.02ms. Allocated memory is still 290.5MB. Free memory was 205.3MB in the beginning and 253.2MB in the end (delta: -47.8MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. [2024-05-07 06:47:52,544 INFO L158 Benchmark]: TraceAbstraction took 2823.04ms. Allocated memory was 290.5MB in the beginning and 411.0MB in the end (delta: 120.6MB). Free memory was 252.1MB in the beginning and 305.5MB in the end (delta: -53.4MB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. [2024-05-07 06:47:52,545 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 168.8MB. Free memory is still 135.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 243.68ms. Allocated memory is still 290.5MB. Free memory was 219.9MB in the beginning and 208.5MB in the end (delta: 11.4MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 36.07ms. Allocated memory is still 290.5MB. Free memory was 208.5MB in the beginning and 206.7MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.80ms. Allocated memory is still 290.5MB. Free memory was 206.7MB in the beginning and 205.3MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 374.02ms. Allocated memory is still 290.5MB. Free memory was 205.3MB in the beginning and 253.2MB in the end (delta: -47.8MB). Peak memory consumption was 18.0MB. Max. memory is 8.0GB. * TraceAbstraction took 2823.04ms. Allocated memory was 290.5MB in the beginning and 411.0MB in the end (delta: 120.6MB). Free memory was 252.1MB in the beginning and 305.5MB in the end (delta: -53.4MB). Peak memory consumption was 67.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12210, independent: 12115, independent conditional: 12071, independent unconditional: 44, dependent: 95, dependent conditional: 95, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 12202, independent: 12115, independent conditional: 12071, independent unconditional: 44, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12202, independent: 12115, independent conditional: 12071, independent unconditional: 44, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 12202, independent: 12115, independent conditional: 12071, independent unconditional: 44, dependent: 87, dependent conditional: 87, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12460, independent: 12115, independent conditional: 5856, independent unconditional: 6259, dependent: 345, dependent conditional: 247, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12460, independent: 12115, independent conditional: 2003, independent unconditional: 10112, dependent: 345, dependent conditional: 132, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12460, independent: 12115, independent conditional: 2003, independent unconditional: 10112, dependent: 345, dependent conditional: 132, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 517, independent: 480, independent conditional: 109, independent unconditional: 371, dependent: 37, dependent conditional: 24, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 517, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 37, dependent conditional: 24, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 37, dependent conditional: 24, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 71, dependent conditional: 44, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12460, independent: 11635, independent conditional: 1894, independent unconditional: 9741, dependent: 308, dependent conditional: 108, dependent unconditional: 200, unknown: 517, unknown conditional: 133, unknown unconditional: 384] , Statistics on independence cache: Total cache size (in pairs): 517, Positive cache size: 480, Positive conditional cache size: 109, Positive unconditional cache size: 371, Negative cache size: 37, Negative conditional cache size: 24, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3968, Maximal queried relation: 7, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 12460, independent: 12115, independent conditional: 5856, independent unconditional: 6259, dependent: 345, dependent conditional: 247, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 12460, independent: 12115, independent conditional: 2003, independent unconditional: 10112, dependent: 345, dependent conditional: 132, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 12460, independent: 12115, independent conditional: 2003, independent unconditional: 10112, dependent: 345, dependent conditional: 132, dependent unconditional: 213, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 517, independent: 480, independent conditional: 109, independent unconditional: 371, dependent: 37, dependent conditional: 24, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 517, independent: 474, independent conditional: 0, independent unconditional: 474, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 37, dependent conditional: 24, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 37, dependent conditional: 24, dependent unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 81, independent: 10, independent conditional: 6, independent unconditional: 4, dependent: 71, dependent conditional: 44, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 12460, independent: 11635, independent conditional: 1894, independent unconditional: 9741, dependent: 308, dependent conditional: 108, dependent unconditional: 200, unknown: 517, unknown conditional: 133, unknown unconditional: 384] , Statistics on independence cache: Total cache size (in pairs): 517, Positive cache size: 480, Positive conditional cache size: 109, Positive unconditional cache size: 371, Negative cache size: 37, Negative conditional cache size: 24, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3968 ], Independence queries for same thread: 8 - PositiveResult [Line: 116]: 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, 105 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 1.2s, 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: 58, 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, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 529 NumberOfCodeBlocks, 529 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 521 ConstructedInterpolants, 0 QuantifiedInterpolants, 1121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 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: 0.1s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-05-07 06:47:52,565 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 06:47:52,766 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...