/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/pthread-wmm/safe034_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-wip.dk.conditional-comm-17da818-m [2024-05-07 04:25:09,315 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-05-07 04:25:09,401 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../benchexec/../../../trunk/examples/settings/gemcutter/NewStatesSleep.epf [2024-05-07 04:25:09,406 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-05-07 04:25:09,406 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-05-07 04:25:09,433 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-05-07 04:25:09,434 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-05-07 04:25:09,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-05-07 04:25:09,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-05-07 04:25:09,439 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-05-07 04:25:09,439 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-05-07 04:25:09,439 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-05-07 04:25:09,440 INFO L153 SettingsManager]: * Use SBE=true [2024-05-07 04:25:09,441 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-05-07 04:25:09,442 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-05-07 04:25:09,442 INFO L153 SettingsManager]: * sizeof long=4 [2024-05-07 04:25:09,442 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-05-07 04:25:09,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-05-07 04:25:09,443 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-05-07 04:25:09,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-05-07 04:25:09,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-05-07 04:25:09,443 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-05-07 04:25:09,444 INFO L153 SettingsManager]: * sizeof long double=12 [2024-05-07 04:25:09,444 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-05-07 04:25:09,444 INFO L153 SettingsManager]: * Use constant arrays=true [2024-05-07 04:25:09,444 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-05-07 04:25:09,445 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-05-07 04:25:09,445 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-05-07 04:25:09,445 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-05-07 04:25:09,445 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 04:25:09,447 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-05-07 04:25:09,447 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-05-07 04:25:09,447 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-05-07 04:25:09,447 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-05-07 04:25:09,447 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2024-05-07 04:25:09,447 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-05-07 04:25:09,448 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-05-07 04:25:09,448 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-05-07 04:25:09,448 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2024-05-07 04:25:09,448 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> DFS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> LOOP Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: use limited checks (recommended for DFS) -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Limit for limited checks -> 10 [2024-05-07 04:25:09,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-05-07 04:25:09,715 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-05-07 04:25:09,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-05-07 04:25:09,719 INFO L270 PluginConnector]: Initializing CDTParser... [2024-05-07 04:25:09,720 INFO L274 PluginConnector]: CDTParser initialized [2024-05-07 04:25:09,721 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2024-05-07 04:25:10,945 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-05-07 04:25:11,204 INFO L384 CDTParser]: Found 1 translation units. [2024-05-07 04:25:11,208 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe034_tso.i [2024-05-07 04:25:11,231 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b845a7b4/1eb1647864c540988ec03d2b3ffe9e54/FLAGb92468615 [2024-05-07 04:25:11,243 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/4b845a7b4/1eb1647864c540988ec03d2b3ffe9e54 [2024-05-07 04:25:11,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-05-07 04:25:11,248 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2024-05-07 04:25:11,251 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-05-07 04:25:11,251 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-05-07 04:25:11,256 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-05-07 04:25:11,257 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e31be58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11, skipping insertion in model container [2024-05-07 04:25:11,258 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,293 INFO L177 MainTranslator]: Built tables and reachable declarations [2024-05-07 04:25:11,441 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-wmm/safe034_tso.i[945,958] [2024-05-07 04:25:11,587 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 04:25:11,601 INFO L202 MainTranslator]: Completed pre-run [2024-05-07 04:25:11,621 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-wmm/safe034_tso.i[945,958] [2024-05-07 04:25:11,677 INFO L209 PostProcessor]: Analyzing one entry point: main [2024-05-07 04:25:11,711 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:25:11,711 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2024-05-07 04:25:11,718 INFO L206 MainTranslator]: Completed translation [2024-05-07 04:25:11,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11 WrapperNode [2024-05-07 04:25:11,719 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-05-07 04:25:11,720 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-05-07 04:25:11,720 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-05-07 04:25:11,721 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-05-07 04:25:11,728 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,760 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,783 INFO L138 Inliner]: procedures = 176, calls = 57, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 70 [2024-05-07 04:25:11,783 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-05-07 04:25:11,784 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-05-07 04:25:11,784 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-05-07 04:25:11,784 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-05-07 04:25:11,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,793 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,811 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,812 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,816 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,819 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,820 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-05-07 04:25:11,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-05-07 04:25:11,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-05-07 04:25:11,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-05-07 04:25:11,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (1/1) ... [2024-05-07 04:25:11,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-05-07 04:25:11,856 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 04:25:11,875 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 04:25:11,898 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 04:25:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-05-07 04:25:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-05-07 04:25:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-05-07 04:25:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-05-07 04:25:11,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-05-07 04:25:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-05-07 04:25:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-05-07 04:25:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-05-07 04:25:11,925 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-05-07 04:25:11,925 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-05-07 04:25:11,926 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-05-07 04:25:11,926 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-05-07 04:25:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-05-07 04:25:11,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-05-07 04:25:11,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-05-07 04:25:11,928 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 04:25:12,065 INFO L241 CfgBuilder]: Building ICFG [2024-05-07 04:25:12,070 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2024-05-07 04:25:12,339 INFO L282 CfgBuilder]: Performing block encoding [2024-05-07 04:25:12,348 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-05-07 04:25:12,348 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2024-05-07 04:25:12,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 04:25:12 BoogieIcfgContainer [2024-05-07 04:25:12,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-05-07 04:25:12,352 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-05-07 04:25:12,352 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-05-07 04:25:12,355 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-05-07 04:25:12,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.05 04:25:11" (1/3) ... [2024-05-07 04:25:12,356 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b038b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 04:25:12, skipping insertion in model container [2024-05-07 04:25:12,356 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.05 04:25:11" (2/3) ... [2024-05-07 04:25:12,357 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b038b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.05 04:25:12, skipping insertion in model container [2024-05-07 04:25:12,357 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.05 04:25:12" (3/3) ... [2024-05-07 04:25:12,358 INFO L112 eAbstractionObserver]: Analyzing ICFG safe034_tso.i [2024-05-07 04:25:12,367 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2024-05-07 04:25:12,376 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-05-07 04:25:12,377 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-05-07 04:25:12,377 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-05-07 04:25:12,427 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-05-07 04:25:12,475 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-05-07 04:25:12,476 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-05-07 04:25:12,476 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 [2024-05-07 04:25:12,479 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 04:25:12,483 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 04:25:12,533 INFO L188 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-05-07 04:25:12,546 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:25:12,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-05-07 04:25:12,555 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;@6c594f59, 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 04:25:12,555 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-05-07 04:25:12,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:25:12,642 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:25:12,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1411939884, now seen corresponding path program 1 times [2024-05-07 04:25:12,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:25:12,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1431852874] [2024-05-07 04:25:12,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:25:12,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:25:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:25:12,936 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 04:25:12,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:25:12,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1431852874] [2024-05-07 04:25:12,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1431852874] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:25:12,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:25:12,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-05-07 04:25:12,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [908348301] [2024-05-07 04:25:12,939 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:25:12,942 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-05-07 04:25:12,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:25:12,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-05-07 04:25:12,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-05-07 04:25:12,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:12,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:25:12,965 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 04:25:12,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:12,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:12,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-05-07 04:25:12,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:25:12,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:25:12,995 INFO L85 PathProgramCache]: Analyzing trace with hash -1844592060, now seen corresponding path program 1 times [2024-05-07 04:25:12,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:25:12,995 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1816772883] [2024-05-07 04:25:12,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:25:12,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:25:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:25:13,418 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 04:25:13,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:25:13,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1816772883] [2024-05-07 04:25:13,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1816772883] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:25:13,419 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:25:13,419 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-05-07 04:25:13,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928963237] [2024-05-07 04:25:13,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:25:13,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-05-07 04:25:13,421 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:25:13,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-05-07 04:25:13,422 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-05-07 04:25:13,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:13,423 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:25:13,423 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 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 04:25:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:13,423 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:13,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:13,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-05-07 04:25:13,696 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:25:13,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:25:13,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1298176773, now seen corresponding path program 1 times [2024-05-07 04:25:13,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:25:13,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [958165335] [2024-05-07 04:25:13,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:25:13,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:25:13,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:25:14,047 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 04:25:14,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:25:14,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [958165335] [2024-05-07 04:25:14,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [958165335] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:25:14,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:25:14,048 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-05-07 04:25:14,048 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83888591] [2024-05-07 04:25:14,048 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:25:14,048 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-05-07 04:25:14,049 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:25:14,049 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-05-07 04:25:14,050 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-05-07 04:25:14,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:14,050 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:25:14,050 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 04:25:14,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:14,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:14,050 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:14,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:25:14,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-05-07 04:25:14,230 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:25:14,230 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:25:14,230 INFO L85 PathProgramCache]: Analyzing trace with hash 376188231, now seen corresponding path program 1 times [2024-05-07 04:25:14,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:25:14,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010134503] [2024-05-07 04:25:14,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:25:14,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:25:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:25:14,487 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 04:25:14,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:25:14,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010134503] [2024-05-07 04:25:14,489 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010134503] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:25:14,489 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:25:14,489 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 04:25:14,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346906385] [2024-05-07 04:25:14,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:25:14,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 04:25:14,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:25:14,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 04:25:14,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-07 04:25:14,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:14,495 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:25:14,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 04:25:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:14,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2024-05-07 04:25:14,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:15,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:25:15,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 04:25:15,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-05-07 04:25:15,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2024-05-07 04:25:15,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2024-05-07 04:25:15,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1247962415, now seen corresponding path program 2 times [2024-05-07 04:25:15,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-05-07 04:25:15,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [670488529] [2024-05-07 04:25:15,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-05-07 04:25:15,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-05-07 04:25:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-05-07 04:25:15,958 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 04:25:15,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-05-07 04:25:15,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [670488529] [2024-05-07 04:25:15,959 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [670488529] provided 1 perfect and 0 imperfect interpolant sequences [2024-05-07 04:25:15,959 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-05-07 04:25:15,959 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-05-07 04:25:15,959 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513551617] [2024-05-07 04:25:15,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-05-07 04:25:15,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-05-07 04:25:15,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-05-07 04:25:15,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-05-07 04:25:15,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-05-07 04:25:15,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:15,963 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-05-07 04:25:15,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 10.285714285714286) internal successors, (72), 7 states have internal predecessors, (72), 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 04:25:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:25:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2024-05-07 04:25:15,964 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:17,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-05-07 04:25:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-05-07 04:25:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-05-07 04:25:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-05-07 04:25:17,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-05-07 04:25:17,170 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2024-05-07 04:25:17,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2024-05-07 04:25:17,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2024-05-07 04:25:17,171 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2024-05-07 04:25:17,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-05-07 04:25:17,176 INFO L448 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1] [2024-05-07 04:25:17,178 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-05-07 04:25:17,178 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2024-05-07 04:25:17,181 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.05 04:25:17 BasicIcfg [2024-05-07 04:25:17,181 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-05-07 04:25:17,182 INFO L158 Benchmark]: Toolchain (without parser) took 5934.04ms. Allocated memory was 271.6MB in the beginning and 356.5MB in the end (delta: 84.9MB). Free memory was 202.9MB in the beginning and 248.1MB in the end (delta: -45.2MB). Peak memory consumption was 40.3MB. Max. memory is 8.0GB. [2024-05-07 04:25:17,182 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 8.0GB. [2024-05-07 04:25:17,182 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.70ms. Allocated memory is still 271.6MB. Free memory was 202.4MB in the beginning and 181.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2024-05-07 04:25:17,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.44ms. Allocated memory is still 271.6MB. Free memory was 181.8MB in the beginning and 179.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2024-05-07 04:25:17,183 INFO L158 Benchmark]: Boogie Preprocessor took 48.11ms. Allocated memory is still 271.6MB. Free memory was 179.9MB in the beginning and 178.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2024-05-07 04:25:17,184 INFO L158 Benchmark]: RCFGBuilder took 516.74ms. Allocated memory is still 271.6MB. Free memory was 178.3MB in the beginning and 236.8MB in the end (delta: -58.5MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. [2024-05-07 04:25:17,184 INFO L158 Benchmark]: TraceAbstraction took 4829.34ms. Allocated memory was 271.6MB in the beginning and 356.5MB in the end (delta: 84.9MB). Free memory was 235.8MB in the beginning and 248.1MB in the end (delta: -12.3MB). Peak memory consumption was 73.2MB. Max. memory is 8.0GB. [2024-05-07 04:25:17,187 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 157.3MB. Free memory is still 88.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 468.70ms. Allocated memory is still 271.6MB. Free memory was 202.4MB in the beginning and 181.8MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 63.44ms. Allocated memory is still 271.6MB. Free memory was 181.8MB in the beginning and 179.9MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.11ms. Allocated memory is still 271.6MB. Free memory was 179.9MB in the beginning and 178.3MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 516.74ms. Allocated memory is still 271.6MB. Free memory was 178.3MB in the beginning and 236.8MB in the end (delta: -58.5MB). Peak memory consumption was 16.4MB. Max. memory is 8.0GB. * TraceAbstraction took 4829.34ms. Allocated memory was 271.6MB in the beginning and 356.5MB in the end (delta: 84.9MB). Free memory was 235.8MB in the beginning and 248.1MB in the end (delta: -12.3MB). Peak memory consumption was 73.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 107883, independent: 106802, independent conditional: 106582, independent unconditional: 220, dependent: 1081, dependent conditional: 1081, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 107824, independent: 106802, independent conditional: 106582, independent unconditional: 220, dependent: 1022, dependent conditional: 1022, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 107824, independent: 106802, independent conditional: 106582, independent unconditional: 220, dependent: 1022, dependent conditional: 1022, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 107824, independent: 106802, independent conditional: 106582, independent unconditional: 220, dependent: 1022, dependent conditional: 1022, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110511, independent: 106802, independent conditional: 51044, independent unconditional: 55758, dependent: 3709, dependent conditional: 2687, dependent unconditional: 1022, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110511, independent: 106802, independent conditional: 23476, independent unconditional: 83326, dependent: 3709, dependent conditional: 807, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110511, independent: 106802, independent conditional: 23476, independent unconditional: 83326, dependent: 3709, dependent conditional: 807, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1124, independent: 1108, independent conditional: 209, independent unconditional: 899, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1124, independent: 1091, independent conditional: 0, independent unconditional: 1091, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, independent: 33, independent conditional: 27, independent unconditional: 5, dependent: 95, dependent conditional: 62, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 110511, independent: 105694, independent conditional: 23267, independent unconditional: 82427, dependent: 3693, dependent conditional: 801, dependent unconditional: 2892, unknown: 1124, unknown conditional: 215, unknown unconditional: 909] , Statistics on independence cache: Total cache size (in pairs): 1124, Positive cache size: 1108, Positive conditional cache size: 209, Positive unconditional cache size: 899, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29448, Maximal queried relation: 4, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 110511, independent: 106802, independent conditional: 51044, independent unconditional: 55758, dependent: 3709, dependent conditional: 2687, dependent unconditional: 1022, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 110511, independent: 106802, independent conditional: 23476, independent unconditional: 83326, dependent: 3709, dependent conditional: 807, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110511, independent: 106802, independent conditional: 23476, independent unconditional: 83326, dependent: 3709, dependent conditional: 807, dependent unconditional: 2902, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1124, independent: 1108, independent conditional: 209, independent unconditional: 899, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1124, independent: 1091, independent conditional: 0, independent unconditional: 1091, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 17, independent conditional: 13, independent unconditional: 4, dependent: 16, dependent conditional: 6, dependent unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 127, independent: 33, independent conditional: 27, independent unconditional: 5, dependent: 95, dependent conditional: 62, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 110511, independent: 105694, independent conditional: 23267, independent unconditional: 82427, dependent: 3693, dependent conditional: 801, dependent unconditional: 2892, unknown: 1124, unknown conditional: 215, unknown unconditional: 909] , Statistics on independence cache: Total cache size (in pairs): 1124, Positive cache size: 1108, Positive conditional cache size: 209, Positive unconditional cache size: 899, Negative cache size: 16, Negative conditional cache size: 6, Negative unconditional cache size: 10, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 29448 ], Independence queries for same thread: 59 - PositiveResult [Line: 18]: 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 7 procedures, 122 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 4.7s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 3.0s, 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: 42, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 345 NumberOfCodeBlocks, 345 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 340 ConstructedInterpolants, 0 QuantifiedInterpolants, 848 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 0.4s, 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 04:25:17,216 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 04:25:17,418 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...